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Ticket #33541: post.php

File post.php, 54.1 KB (added by wpdev101, 11 years ago)

wp-admin/includes/post.php

Line 
1<?php
2/**
3 * WordPress Post Administration API.
4 *
5 * @package WordPress
6 * @subpackage Administration
7 */
8
9/**
10 * Rename $_POST data from form names to DB post columns.
11 *
12 * Manipulates $_POST directly.
13 *
14 * @package WordPress
15 * @since 2.6.0
16 *
17 * @param bool $update Are we updating a pre-existing post?
18 * @param array $post_data Array of post data. Defaults to the contents of $_POST.
19 * @return object|bool WP_Error on failure, true on success.
20 */
21function _wp_translate_postdata( $update = false, $post_data = null ) {
22
23 if ( empty($post_data) )
24 $post_data = &$_POST;
25
26 if ( $update )
27 $post_data['ID'] = (int) $post_data['post_ID'];
28
29 $ptype = get_post_type_object( $post_data['post_type'] );
30
31 if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
32 if ( 'page' == $post_data['post_type'] )
33 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to edit pages as this user.' ) );
34 else
35 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to edit posts as this user.' ) );
36 } elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
37 if ( 'page' == $post_data['post_type'] )
38 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
39 else
40 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to create posts as this user.' ) );
41 }
42
43 if ( isset( $post_data['content'] ) )
44 $post_data['post_content'] = $post_data['content'];
45
46 if ( isset( $post_data['excerpt'] ) )
47 $post_data['post_excerpt'] = $post_data['excerpt'];
48
49 if ( isset( $post_data['parent_id'] ) )
50 $post_data['post_parent'] = (int) $post_data['parent_id'];
51
52 if ( isset($post_data['trackback_url']) )
53 $post_data['to_ping'] = $post_data['trackback_url'];
54
55 $post_data['user_ID'] = get_current_user_id();
56
57 if (!empty ( $post_data['post_author_override'] ) ) {
58 $post_data['post_author'] = (int) $post_data['post_author_override'];
59 } else {
60 if (!empty ( $post_data['post_author'] ) ) {
61 $post_data['post_author'] = (int) $post_data['post_author'];
62 } else {
63 $post_data['post_author'] = (int) $post_data['user_ID'];
64 }
65 }
66
67 if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
68 && ! current_user_can( $ptype->cap->edit_others_posts ) ) {
69 if ( $update ) {
70 if ( 'page' == $post_data['post_type'] )
71 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to edit pages as this user.' ) );
72 else
73 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to edit posts as this user.' ) );
74 } else {
75 if ( 'page' == $post_data['post_type'] )
76 return new WP_Error( 'edit_others_pages', __( 'You are not allowed to create pages as this user.' ) );
77 else
78 return new WP_Error( 'edit_others_posts', __( 'You are not allowed to create posts as this user.' ) );
79 }
80 }
81
82 if ( ! empty( $post_data['post_status'] ) ) {
83 $post_data['post_status'] = sanitize_key( $post_data['post_status'] );
84
85 // No longer an auto-draft
86 if ( 'auto-draft' === $post_data['post_status'] ) {
87 $post_data['post_status'] = 'draft';
88 }
89
90 if ( ! get_post_status_object( $post_data['post_status'] ) ) {
91 unset( $post_data['post_status'] );
92 }
93 }
94
95 // What to do based on which button they pressed
96 if ( isset($post_data['saveasdraft']) && '' != $post_data['saveasdraft'] )
97 $post_data['post_status'] = 'draft';
98 if ( isset($post_data['saveasprivate']) && '' != $post_data['saveasprivate'] )
99 $post_data['post_status'] = 'private';
100 if ( isset($post_data['publish']) && ( '' != $post_data['publish'] ) && ( !isset($post_data['post_status']) || $post_data['post_status'] != 'private' ) )
101 $post_data['post_status'] = 'publish';
102 if ( isset($post_data['advanced']) && '' != $post_data['advanced'] )
103 $post_data['post_status'] = 'draft';
104 if ( isset($post_data['pending']) && '' != $post_data['pending'] )
105 $post_data['post_status'] = 'pending';
106
107 if ( isset( $post_data['ID'] ) )
108 $post_id = $post_data['ID'];
109 else
110 $post_id = false;
111 $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;
112
113 if ( isset( $post_data['post_status'] ) && 'private' == $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {
114 $post_data['post_status'] = $previous_status ? $previous_status : 'pending';
115 }
116
117 $published_statuses = array( 'publish', 'future' );
118
119 // Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published.
120 // Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
121 if ( isset($post_data['post_status']) && (in_array( $post_data['post_status'], $published_statuses ) && !current_user_can( $ptype->cap->publish_posts )) )
122 if ( ! in_array( $previous_status, $published_statuses ) || !current_user_can( 'edit_post', $post_id ) )
123 $post_data['post_status'] = 'pending';
124
125 if ( ! isset( $post_data['post_status'] ) ) {
126 $post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
127 }
128
129 if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
130 unset( $post_data['post_password'] );
131 }
132
133 if (!isset( $post_data['comment_status'] ))
134 $post_data['comment_status'] = 'closed';
135
136 if (!isset( $post_data['ping_status'] ))
137 $post_data['ping_status'] = 'closed';
138
139 foreach ( array('aa', 'mm', 'jj', 'hh', 'mn') as $timeunit ) {
140 if ( !empty( $post_data['hidden_' . $timeunit] ) && $post_data['hidden_' . $timeunit] != $post_data[$timeunit] ) {
141 $post_data['edit_date'] = '1';
142 break;
143 }
144 }
145
146 if ( !empty( $post_data['edit_date'] ) ) {
147 $aa = $post_data['aa'];
148 $mm = $post_data['mm'];
149 $jj = $post_data['jj'];
150 $hh = $post_data['hh'];
151 $mn = $post_data['mn'];
152 $ss = $post_data['ss'];
153 $aa = ($aa <= 0 ) ? date('Y') : $aa;
154 $mm = ($mm <= 0 ) ? date('n') : $mm;
155 $jj = ($jj > 31 ) ? 31 : $jj;
156 $jj = ($jj <= 0 ) ? date('j') : $jj;
157 $hh = ($hh > 23 ) ? $hh -24 : $hh;
158 $mn = ($mn > 59 ) ? $mn -60 : $mn;
159 $ss = ($ss > 59 ) ? $ss -60 : $ss;
160 $post_data['post_date'] = sprintf( "%04d-%02d-%02d %02d:%02d:%02d", $aa, $mm, $jj, $hh, $mn, $ss );
161 $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
162 if ( !$valid_date ) {
163 return new WP_Error( 'invalid_date', __( 'Whoops, the provided date is invalid.' ) );
164 }
165 $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
166 }
167
168 return $post_data;
169}
170
171/**
172 * Update an existing post with values provided in $_POST.
173 *
174 * @since 1.5.0
175 *
176 * @param array $post_data Optional.
177 * @return int Post ID.
178 */
179function edit_post( $post_data = null ) {
180 global $wpdb;
181
182 if ( empty($post_data) )
183 $post_data = &$_POST;
184
185 // Clear out any data in internal vars.
186 unset( $post_data['filter'] );
187
188 $post_ID = (int) $post_data['post_ID'];
189 $post = get_post( $post_ID );
190 $post_data['post_type'] = $post->post_type;
191 $post_data['post_mime_type'] = $post->post_mime_type;
192
193 if ( ! empty( $post_data['post_status'] ) ) {
194 $post_data['post_status'] = sanitize_key( $post_data['post_status'] );
195
196 if ( 'inherit' == $post_data['post_status'] ) {
197 unset( $post_data['post_status'] );
198 }
199 }
200
201 $ptype = get_post_type_object($post_data['post_type']);
202 if ( !current_user_can( 'edit_post', $post_ID ) ) {
203 if ( 'page' == $post_data['post_type'] )
204 wp_die( __('You are not allowed to edit this page.' ));
205 else
206 wp_die( __('You are not allowed to edit this post.' ));
207 }
208
209 if ( post_type_supports( $ptype->name, 'revisions' ) ) {
210 $revisions = wp_get_post_revisions( $post_ID, array( 'order' => 'ASC', 'posts_per_page' => 1 ) );
211 $revision = current( $revisions );
212
213 // Check if the revisions have been upgraded
214 if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 )
215 _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) );
216 }
217
218 if ( isset($post_data['visibility']) ) {
219 switch ( $post_data['visibility'] ) {
220 case 'public' :
221 $post_data['post_password'] = '';
222 break;
223 case 'password' :
224 unset( $post_data['sticky'] );
225 break;
226 case 'private' :
227 $post_data['post_status'] = 'private';
228 $post_data['post_password'] = '';
229 unset( $post_data['sticky'] );
230 break;
231 }
232 }
233
234 $post_data = _wp_translate_postdata( true, $post_data );
235 if ( is_wp_error($post_data) )
236 wp_die( $post_data->get_error_message() );
237
238 // Post Formats
239 if ( isset( $post_data['post_format'] ) )
240 set_post_format( $post_ID, $post_data['post_format'] );
241
242 $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
243 foreach ( $format_meta_urls as $format_meta_url ) {
244 $keyed = '_format_' . $format_meta_url;
245 if ( isset( $post_data[ $keyed ] ) )
246 update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) );
247 }
248
249 $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );
250
251 foreach ( $format_keys as $key ) {
252 $keyed = '_format_' . $key;
253 if ( isset( $post_data[ $keyed ] ) ) {
254 if ( current_user_can( 'unfiltered_html' ) )
255 update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] );
256 else
257 update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
258 }
259 }
260
261 if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {
262 $id3data = wp_get_attachment_metadata( $post_ID );
263 if ( ! is_array( $id3data ) ) {
264 $id3data = array();
265 }
266
267 foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) {
268 if ( isset( $post_data[ 'id3_' . $key ] ) ) {
269 $id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) );
270 }
271 }
272 wp_update_attachment_metadata( $post_ID, $id3data );
273 }
274
275 // Meta Stuff
276 if ( isset($post_data['meta']) && $post_data['meta'] ) {
277 foreach ( $post_data['meta'] as $key => $value ) {
278 if ( !$meta = get_post_meta_by_id( $key ) )
279 continue;
280 if ( $meta->post_id != $post_ID )
281 continue;
282 if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) )
283 continue;
284 update_meta( $key, $value['key'], $value['value'] );
285 }
286 }
287
288 if ( isset($post_data['deletemeta']) && $post_data['deletemeta'] ) {
289 foreach ( $post_data['deletemeta'] as $key => $value ) {
290 if ( !$meta = get_post_meta_by_id( $key ) )
291 continue;
292 if ( $meta->post_id != $post_ID )
293 continue;
294 if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) )
295 continue;
296 delete_meta( $key );
297 }
298 }
299
300 // Attachment stuff
301 if ( 'attachment' == $post_data['post_type'] ) {
302 if ( isset( $post_data[ '_wp_attachment_image_alt' ] ) ) {
303 $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );
304 if ( $image_alt != get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) ) {
305 $image_alt = wp_strip_all_tags( $image_alt, true );
306 // update_meta expects slashed.
307 update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
308 }
309 }
310
311 $attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
312
313 /** This filter is documented in wp-admin/includes/media.php */
314 $post_data = apply_filters( 'attachment_fields_to_save', $post_data, $attachment_data );
315 }
316
317 // Convert taxonomy input to term IDs, to avoid ambiguity.
318 if ( isset( $post_data['tax_input'] ) ) {
319 foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) {
320 // Hierarchical taxonomy data is already sent as term IDs, so no conversion is necessary.
321 if ( is_taxonomy_hierarchical( $taxonomy ) ) {
322 continue;
323 }
324
325 /*
326 * Assume that a 'tax_input' string is a comma-separated list of term names.
327 * Some languages may use a character other than a comma as a delimiter, so we standardize on
328 * commas before parsing the list.
329 */
330 if ( ! is_array( $terms ) ) {
331 $comma = _x( ',', 'tag delimiter' );
332 if ( ',' !== $comma ) {
333 $terms = str_replace( $comma, ',', $terms );
334 }
335 $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
336 }
337
338 $clean_terms = array();
339 foreach ( $terms as $term ) {
340 // Empty terms are invalid input.
341 if ( empty( $term ) ) {
342 continue;
343 }
344
345 $_term = get_terms( $taxonomy, array(
346 'name' => $term,
347 'fields' => 'ids',
348 'hide_empty' => false,
349 ) );
350
351 if ( ! empty( $_term ) ) {
352 $clean_terms[] = intval( $_term[0] );
353 } else {
354 // No existing term was found, so pass the string. A new term will be created.
355 $clean_terms[] = $term;
356 }
357 }
358
359 $post_data['tax_input'][ $taxonomy ] = $clean_terms;
360 }
361 }
362
363 add_meta( $post_ID );
364
365 update_post_meta( $post_ID, '_edit_last', get_current_user_id() );
366
367 $success = wp_update_post( $post_data );
368 // If the save failed, see if we can sanity check the main fields and try again
369 if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
370 $fields = array( 'post_title', 'post_content', 'post_excerpt' );
371
372 foreach( $fields as $field ) {
373 if ( isset( $post_data[ $field ] ) ) {
374 $post_data[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $post_data[ $field ] );
375 }
376 }
377
378 wp_update_post( $post_data );
379 }
380
381 // Now that we have an ID we can fix any attachment anchor hrefs
382 _fix_attachment_links( $post_ID );
383
384 wp_set_post_lock( $post_ID );
385
386 if ( current_user_can( $ptype->cap->edit_others_posts ) ) {
387 if ( ! empty( $post_data['sticky'] ) )
388 stick_post( $post_ID );
389 else
390 unstick_post( $post_ID );
391 }
392
393 return $post_ID;
394}
395
396/**
397 * Process the post data for the bulk editing of posts.
398 *
399 * Updates all bulk edited posts/pages, adding (but not removing) tags and
400 * categories. Skips pages when they would be their own parent or child.
401 *
402 * @since 2.7.0
403 *
404 * @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
405 * @return array
406 */
407function bulk_edit_posts( $post_data = null ) {
408 global $wpdb;
409
410 if ( empty($post_data) )
411 $post_data = &$_POST;
412
413 if ( isset($post_data['post_type']) )
414 $ptype = get_post_type_object($post_data['post_type']);
415 else
416 $ptype = get_post_type_object('post');
417
418 if ( !current_user_can( $ptype->cap->edit_posts ) ) {
419 if ( 'page' == $ptype->name )
420 wp_die( __('You are not allowed to edit pages.'));
421 else
422 wp_die( __('You are not allowed to edit posts.'));
423 }
424
425 if ( -1 == $post_data['_status'] ) {
426 $post_data['post_status'] = null;
427 unset($post_data['post_status']);
428 } else {
429 $post_data['post_status'] = $post_data['_status'];
430 }
431 unset($post_data['_status']);
432
433 if ( ! empty( $post_data['post_status'] ) ) {
434 $post_data['post_status'] = sanitize_key( $post_data['post_status'] );
435
436 if ( 'inherit' == $post_data['post_status'] ) {
437 unset( $post_data['post_status'] );
438 }
439 }
440
441 $post_IDs = array_map( 'intval', (array) $post_data['post'] );
442
443 $reset = array(
444 'post_author', 'post_status', 'post_password',
445 'post_parent', 'page_template', 'comment_status',
446 'ping_status', 'keep_private', 'tax_input',
447 'post_category', 'sticky', 'post_format',
448 );
449
450 foreach ( $reset as $field ) {
451 if ( isset($post_data[$field]) && ( '' == $post_data[$field] || -1 == $post_data[$field] ) )
452 unset($post_data[$field]);
453 }
454
455 if ( isset($post_data['post_category']) ) {
456 if ( is_array($post_data['post_category']) && ! empty($post_data['post_category']) )
457 $new_cats = array_map( 'absint', $post_data['post_category'] );
458 else
459 unset($post_data['post_category']);
460 }
461
462 $tax_input = array();
463 if ( isset($post_data['tax_input'])) {
464 foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
465 if ( empty($terms) )
466 continue;
467 if ( is_taxonomy_hierarchical( $tax_name ) ) {
468 $tax_input[ $tax_name ] = array_map( 'absint', $terms );
469 } else {
470 $comma = _x( ',', 'tag delimiter' );
471 if ( ',' !== $comma )
472 $terms = str_replace( $comma, ',', $terms );
473 $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
474 }
475 }
476 }
477
478 if ( isset($post_data['post_parent']) && ($parent = (int) $post_data['post_parent']) ) {
479 $pages = $wpdb->get_results("SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'");
480 $children = array();
481
482 for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
483 $children[] = $parent;
484
485 foreach ( $pages as $page ) {
486 if ( $page->ID == $parent ) {
487 $parent = $page->post_parent;
488 break;
489 }
490 }
491 }
492 }
493
494 $updated = $skipped = $locked = array();
495 $shared_post_data = $post_data;
496
497 foreach ( $post_IDs as $post_ID ) {
498 // Start with fresh post data with each iteration.
499 $post_data = $shared_post_data;
500
501 $post_type_object = get_post_type_object( get_post_type( $post_ID ) );
502
503 if ( !isset( $post_type_object ) || ( isset($children) && in_array($post_ID, $children) ) || !current_user_can( 'edit_post', $post_ID ) ) {
504 $skipped[] = $post_ID;
505 continue;
506 }
507
508 if ( wp_check_post_lock( $post_ID ) ) {
509 $locked[] = $post_ID;
510 continue;
511 }
512
513 $post = get_post( $post_ID );
514 $tax_names = get_object_taxonomies( $post );
515 foreach ( $tax_names as $tax_name ) {
516 $taxonomy_obj = get_taxonomy($tax_name);
517 if ( isset( $tax_input[$tax_name]) && current_user_can( $taxonomy_obj->cap->assign_terms ) )
518 $new_terms = $tax_input[$tax_name];
519 else
520 $new_terms = array();
521
522 if ( $taxonomy_obj->hierarchical )
523 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'ids') );
524 else
525 $current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array('fields' => 'names') );
526
527 $post_data['tax_input'][$tax_name] = array_merge( $current_terms, $new_terms );
528 }
529
530 if ( isset($new_cats) && in_array( 'category', $tax_names ) ) {
531 $cats = (array) wp_get_post_categories($post_ID);
532 $post_data['post_category'] = array_unique( array_merge($cats, $new_cats) );
533 unset( $post_data['tax_input']['category'] );
534 }
535
536 $post_data['post_type'] = $post->post_type;
537 $post_data['post_mime_type'] = $post->post_mime_type;
538 $post_data['guid'] = $post->guid;
539
540 foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
541 if ( ! isset( $post_data[ $field ] ) ) {
542 $post_data[ $field ] = $post->$field;
543 }
544 }
545
546 $post_data['ID'] = $post_ID;
547 $post_data['post_ID'] = $post_ID;
548
549 $post_data = _wp_translate_postdata( true, $post_data );
550 if ( is_wp_error( $post_data ) ) {
551 $skipped[] = $post_ID;
552 continue;
553 }
554
555 $updated[] = wp_update_post( $post_data );
556
557 if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
558 if ( 'sticky' == $post_data['sticky'] )
559 stick_post( $post_ID );
560 else
561 unstick_post( $post_ID );
562 }
563
564 if ( isset( $post_data['post_format'] ) )
565 set_post_format( $post_ID, $post_data['post_format'] );
566 }
567
568 return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );
569}
570
571/**
572 * Default post information to use when populating the "Write Post" form.
573 *
574 * @since 2.0.0
575 *
576 * @param string $post_type A post type string, defaults to 'post'.
577 * @return WP_Post Post object containing all the default post data as attributes
578 */
579function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
580 $post_title = '';
581 if ( !empty( $_REQUEST['post_title'] ) )
582 $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ));
583
584 $post_content = '';
585 if ( !empty( $_REQUEST['content'] ) )
586 $post_content = esc_html( wp_unslash( $_REQUEST['content'] ));
587
588 $post_excerpt = '';
589 if ( !empty( $_REQUEST['excerpt'] ) )
590 $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ));
591
592 if ( $create_in_db ) {
593 $post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft' ) );
594 $post = get_post( $post_id );
595 if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) )
596 set_post_format( $post, get_option( 'default_post_format' ) );
597 } else {
598 $post = new stdClass;
599 $post->ID = 0;
600 $post->post_author = '';
601 $post->post_date = '';
602 $post->post_date_gmt = '';
603 $post->post_password = '';
604 $post->post_name = '';
605 $post->post_type = $post_type;
606 $post->post_status = 'draft';
607 $post->to_ping = '';
608 $post->pinged = '';
609 $post->comment_status = get_option( 'default_comment_status' );
610 $post->ping_status = get_option( 'default_ping_status' );
611 $post->post_pingback = get_option( 'default_pingback_flag' );
612 $post->post_category = get_option( 'default_category' );
613 $post->page_template = 'default';
614 $post->post_parent = 0;
615 $post->menu_order = 0;
616 $post = new WP_Post( $post );
617 }
618
619 /**
620 * Filter the default post content initially used in the "Write Post" form.
621 *
622 * @since 1.5.0
623 *
624 * @param string $post_content Default post content.
625 * @param WP_Post $post Post object.
626 */
627 $post->post_content = apply_filters( 'default_content', $post_content, $post );
628
629 /**
630 * Filter the default post title initially used in the "Write Post" form.
631 *
632 * @since 1.5.0
633 *
634 * @param string $post_title Default post title.
635 * @param WP_Post $post Post object.
636 */
637 $post->post_title = apply_filters( 'default_title', $post_title, $post );
638
639 /**
640 * Filter the default post excerpt initially used in the "Write Post" form.
641 *
642 * @since 1.5.0
643 *
644 * @param string $post_excerpt Default post excerpt.
645 * @param WP_Post $post Post object.
646 */
647 $post->post_excerpt = apply_filters( 'default_excerpt', $post_excerpt, $post );
648
649 return $post;
650}
651
652/**
653 * Determine if a post exists based on title, content, and date
654 *
655 * @since 2.0.0
656 *
657 * @param string $title Post title
658 * @param string $content Optional post content
659 * @param string $date Optional post date
660 * @return int Post ID if post exists, 0 otherwise.
661 */
662function post_exists($title, $content = '', $date = '') {
663 global $wpdb;
664
665 $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
666 $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
667 $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
668
669 $query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
670 $args = array();
671
672 if ( !empty ( $date ) ) {
673 $query .= ' AND post_date = %s';
674 $args[] = $post_date;
675 }
676
677 if ( !empty ( $title ) ) {
678 $query .= ' AND post_title = %s';
679 $args[] = $post_title;
680 }
681
682 if ( !empty ( $content ) ) {
683 $query .= 'AND post_content = %s';
684 $args[] = $post_content;
685 }
686
687 if ( !empty ( $args ) )
688 return (int) $wpdb->get_var( $wpdb->prepare($query, $args) );
689
690 return 0;
691}
692
693/**
694 * Creates a new post from the "Write Post" form using $_POST information.
695 *
696 * @since 2.1.0
697 *
698 * @return int|WP_Error
699 */
700function wp_write_post() {
701 if ( isset($_POST['post_type']) )
702 $ptype = get_post_type_object($_POST['post_type']);
703 else
704 $ptype = get_post_type_object('post');
705
706 if ( !current_user_can( $ptype->cap->edit_posts ) ) {
707 if ( 'page' == $ptype->name )
708 return new WP_Error( 'edit_pages', __( 'You are not allowed to create pages on this site.' ) );
709 else
710 return new WP_Error( 'edit_posts', __( 'You are not allowed to create posts or drafts on this site.' ) );
711 }
712
713 $_POST['post_mime_type'] = '';
714
715 // Clear out any data in internal vars.
716 unset( $_POST['filter'] );
717
718 // Edit don't write if we have a post id.
719 if ( isset( $_POST['post_ID'] ) )
720 return edit_post();
721
722 if ( isset($_POST['visibility']) ) {
723 switch ( $_POST['visibility'] ) {
724 case 'public' :
725 $_POST['post_password'] = '';
726 break;
727 case 'password' :
728 unset( $_POST['sticky'] );
729 break;
730 case 'private' :
731 $_POST['post_status'] = 'private';
732 $_POST['post_password'] = '';
733 unset( $_POST['sticky'] );
734 break;
735 }
736 }
737
738 $translated = _wp_translate_postdata( false );
739 if ( is_wp_error($translated) )
740 return $translated;
741
742 // Create the post.
743 $post_ID = wp_insert_post( $_POST );
744 if ( is_wp_error( $post_ID ) )
745 return $post_ID;
746
747 if ( empty($post_ID) )
748 return 0;
749
750 add_meta( $post_ID );
751
752 add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
753
754 // Now that we have an ID we can fix any attachment anchor hrefs
755 _fix_attachment_links( $post_ID );
756
757 wp_set_post_lock( $post_ID );
758
759 return $post_ID;
760}
761
762/**
763 * Calls wp_write_post() and handles the errors.
764 *
765 * @since 2.0.0
766 *
767 * @return int|null
768 */
769function write_post() {
770 $result = wp_write_post();
771 if ( is_wp_error( $result ) )
772 wp_die( $result->get_error_message() );
773 else
774 return $result;
775}
776
777//
778// Post Meta
779//
780
781/**
782 * Add post meta data defined in $_POST superglobal for post with given ID.
783 *
784 * @since 1.2.0
785 *
786 * @param int $post_ID
787 * @return int|bool
788 */
789function add_meta( $post_ID ) {
790 $post_ID = (int) $post_ID;
791
792 $metakeyselect = isset($_POST['metakeyselect']) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
793 $metakeyinput = isset($_POST['metakeyinput']) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
794 $metavalue = isset($_POST['metavalue']) ? $_POST['metavalue'] : '';
795 if ( is_string( $metavalue ) )
796 $metavalue = trim( $metavalue );
797
798 if ( ('0' === $metavalue || ! empty ( $metavalue ) ) && ( ( ( '#NONE#' != $metakeyselect ) && !empty ( $metakeyselect) ) || !empty ( $metakeyinput ) ) ) {
799 /*
800 * We have a key/value pair. If both the select and the input
801 * for the key have data, the input takes precedence.
802 */
803 if ( '#NONE#' != $metakeyselect )
804 $metakey = $metakeyselect;
805
806 if ( $metakeyinput )
807 $metakey = $metakeyinput; // default
808
809 if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) )
810 return false;
811
812 $metakey = wp_slash( $metakey );
813
814 return add_post_meta( $post_ID, $metakey, $metavalue );
815 }
816
817 return false;
818} // add_meta
819
820/**
821 * Delete post meta data by meta ID.
822 *
823 * @since 1.2.0
824 *
825 * @param int $mid
826 * @return bool
827 */
828function delete_meta( $mid ) {
829 return delete_metadata_by_mid( 'post' , $mid );
830}
831
832/**
833 * Get a list of previously defined keys.
834 *
835 * @since 1.2.0
836 *
837 * @return mixed
838 */
839function get_meta_keys() {
840 global $wpdb;
841
842 $keys = $wpdb->get_col( "
843 SELECT meta_key
844 FROM $wpdb->postmeta
845 GROUP BY meta_key
846 ORDER BY meta_key" );
847
848 return $keys;
849}
850
851/**
852 * Get post meta data by meta ID.
853 *
854 * @since 2.1.0
855 *
856 * @param int $mid
857 * @return object|bool
858 */
859function get_post_meta_by_id( $mid ) {
860 return get_metadata_by_mid( 'post', $mid );
861}
862
863/**
864 * Get meta data for the given post ID.
865 *
866 * @since 1.2.0
867 *
868 * @param int $postid
869 * @return mixed
870 */
871function has_meta( $postid ) {
872 global $wpdb;
873
874 return $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value, meta_id, post_id
875 FROM $wpdb->postmeta WHERE post_id = %d
876 ORDER BY meta_key,meta_id", $postid), ARRAY_A );
877}
878
879/**
880 * Update post meta data by meta ID.
881 *
882 * @since 1.2.0
883 *
884 * @param int $meta_id
885 * @param string $meta_key Expect Slashed
886 * @param string $meta_value Expect Slashed
887 * @return bool
888 */
889function update_meta( $meta_id, $meta_key, $meta_value ) {
890 $meta_key = wp_unslash( $meta_key );
891 $meta_value = wp_unslash( $meta_value );
892
893 return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
894}
895
896//
897// Private
898//
899
900/**
901 * Replace hrefs of attachment anchors with up-to-date permalinks.
902 *
903 * @since 2.3.0
904 * @access private
905 *
906 * @param int|object $post Post ID or post object.
907 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
908 */
909function _fix_attachment_links( $post ) {
910 $post = get_post( $post, ARRAY_A );
911 $content = $post['post_content'];
912
913 // Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
914 if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) )
915 return;
916
917 // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
918 if ( !strpos($content, '?attachment_id=') || !preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) )
919 return;
920
921 $site_url = get_bloginfo('url');
922 $site_url = substr( $site_url, (int) strpos($site_url, '://') ); // remove the http(s)
923 $replace = '';
924
925 foreach ( $link_matches[1] as $key => $value ) {
926 if ( !strpos($value, '?attachment_id=') || !strpos($value, 'wp-att-')
927 || !preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
928 || !preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) )
929 continue;
930
931 $quote = $url_match[1]; // the quote (single or double)
932 $url_id = (int) $url_match[2];
933 $rel_id = (int) $rel_match[1];
934
935 if ( !$url_id || !$rel_id || $url_id != $rel_id || strpos($url_match[0], $site_url) === false )
936 continue;
937
938 $link = $link_matches[0][$key];
939 $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
940
941 $content = str_replace( $link, $replace, $content );
942 }
943
944 if ( $replace ) {
945 $post['post_content'] = $content;
946 // Escape data pulled from DB.
947 $post = add_magic_quotes($post);
948
949 return wp_update_post($post);
950 }
951}
952
953/**
954 * Get all the possible statuses for a post_type
955 *
956 * @since 2.5.0
957 *
958 * @param string $type The post_type you want the statuses for
959 * @return array As array of all the statuses for the supplied post type
960 */
961function get_available_post_statuses($type = 'post') {
962 $stati = wp_count_posts($type);
963
964 return array_keys(get_object_vars($stati));
965}
966
967/**
968 * Run the wp query to fetch the posts for listing on the edit posts page
969 *
970 * @since 2.5.0
971 *
972 * @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
973 * @return array
974 */
975function wp_edit_posts_query( $q = false ) {
976 if ( false === $q )
977 $q = $_GET;
978 $q['m'] = isset($q['m']) ? (int) $q['m'] : 0;
979 $q['cat'] = isset($q['cat']) ? (int) $q['cat'] : 0;
980 $post_stati = get_post_stati();
981
982 if ( isset($q['post_type']) && in_array( $q['post_type'], get_post_types() ) )
983 $post_type = $q['post_type'];
984 else
985 $post_type = 'post';
986
987 $avail_post_stati = get_available_post_statuses($post_type);
988
989 if ( isset($q['post_status']) && in_array( $q['post_status'], $post_stati ) ) {
990 $post_status = $q['post_status'];
991 $perm = 'readable';
992 }
993
994 if ( isset($q['orderby']) )
995 $orderby = $q['orderby'];
996 elseif ( isset($q['post_status']) && in_array($q['post_status'], array('pending', 'draft')) )
997 $orderby = 'modified';
998
999 if ( isset($q['order']) )
1000 $order = $q['order'];
1001 elseif ( isset($q['post_status']) && 'pending' == $q['post_status'] )
1002 $order = 'ASC';
1003
1004 $per_page = "edit_{$post_type}_per_page";
1005 $posts_per_page = (int) get_user_option( $per_page );
1006 if ( empty( $posts_per_page ) || $posts_per_page < 1 )
1007 $posts_per_page = 20;
1008
1009 /**
1010 * Filter the number of items per page to show for a specific 'per_page' type.
1011 *
1012 * The dynamic portion of the hook name, `$post_type`, refers to the post type.
1013 *
1014 * Some examples of filter hooks generated here include: 'edit_attachment_per_page',
1015 * 'edit_post_per_page', 'edit_page_per_page', etc.
1016 *
1017 * @since 3.0.0
1018 *
1019 * @param int $posts_per_page Number of posts to display per page for the given post
1020 * type. Default 20.
1021 */
1022 $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page );
1023
1024 /**
1025 * Filter the number of posts displayed per page when specifically listing "posts".
1026 *
1027 * @since 2.8.0
1028 *
1029 * @param int $posts_per_page Number of posts to be displayed. Default 20.
1030 * @param string $post_type The post type.
1031 */
1032 $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
1033
1034 $query = compact('post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page');
1035
1036 // Hierarchical types require special args.
1037 if ( is_post_type_hierarchical( $post_type ) && !isset($orderby) ) {
1038 $query['orderby'] = 'menu_order title';
1039 $query['order'] = 'asc';
1040 $query['posts_per_page'] = -1;
1041 $query['posts_per_archive_page'] = -1;
1042 $query['fields'] = 'id=>parent';
1043 }
1044
1045 if ( ! empty( $q['show_sticky'] ) )
1046 $query['post__in'] = (array) get_option( 'sticky_posts' );
1047
1048 wp( $query );
1049
1050 return $avail_post_stati;
1051}
1052
1053/**
1054 * Get all available post MIME types for a given post type.
1055 *
1056 * @since 2.5.0
1057 *
1058 * @param string $type
1059 * @return mixed
1060 */
1061function get_available_post_mime_types($type = 'attachment') {
1062 global $wpdb;
1063
1064 $types = $wpdb->get_col($wpdb->prepare("SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type));
1065 return $types;
1066}
1067
1068/**
1069 * Get the query variables for the current attachments request.
1070 *
1071 * @since 4.2.0
1072 *
1073 * @param array|false $q Optional. Array of query variables to use to build the query or false
1074 * to use $_GET superglobal. Default false.
1075 * @return array The parsed query vars.
1076 */
1077function wp_edit_attachments_query_vars( $q = false ) {
1078 if ( false === $q ) {
1079 $q = $_GET;
1080 }
1081 $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0;
1082 $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
1083 $q['post_type'] = 'attachment';
1084 $post_type = get_post_type_object( 'attachment' );
1085 $states = 'inherit';
1086 if ( current_user_can( $post_type->cap->read_private_posts ) ) {
1087 $states .= ',private';
1088 }
1089
1090 $q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states;
1091 $q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' == $q['attachment-filter'] ? 'trash' : $states;
1092
1093 $media_per_page = (int) get_user_option( 'upload_per_page' );
1094 if ( empty( $media_per_page ) || $media_per_page < 1 ) {
1095 $media_per_page = 20;
1096 }
1097
1098 /**
1099 * Filter the number of items to list per page when listing media items.
1100 *
1101 * @since 2.9.0
1102 *
1103 * @param int $media_per_page Number of media to list. Default 20.
1104 */
1105 $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );
1106
1107 $post_mime_types = get_post_mime_types();
1108 if ( isset($q['post_mime_type']) && !array_intersect( (array) $q['post_mime_type'], array_keys($post_mime_types) ) ) {
1109 unset($q['post_mime_type']);
1110 }
1111
1112 foreach( array_keys( $post_mime_types ) as $type ) {
1113 if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" == $q['attachment-filter'] ) {
1114 $q['post_mime_type'] = $type;
1115 break;
1116 }
1117 }
1118
1119 if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' == $q['attachment-filter'] ) ) {
1120 $q['post_parent'] = 0;
1121 }
1122
1123 return $q;
1124}
1125
1126/**
1127 * Executes a query for attachments. An array of WP_Query arguments
1128 * can be passed in, which will override the arguments set by this function.
1129 *
1130 * @since 2.5.0
1131 *
1132 * @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal.
1133 * @return array
1134 */
1135function wp_edit_attachments_query( $q = false ) {
1136 wp( wp_edit_attachments_query_vars( $q ) );
1137
1138 $post_mime_types = get_post_mime_types();
1139 $avail_post_mime_types = get_available_post_mime_types( 'attachment' );
1140
1141 return array( $post_mime_types, $avail_post_mime_types );
1142}
1143
1144/**
1145 * Returns the list of classes to be used by a metabox
1146 *
1147 * @since 2.5.0
1148 *
1149 * @param string $id
1150 * @param string $page
1151 * @return string
1152 */
1153function postbox_classes( $id, $page ) {
1154 if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) {
1155 $classes = array( '' );
1156 } elseif ( $closed = get_user_option('closedpostboxes_'.$page ) ) {
1157 if ( !is_array( $closed ) ) {
1158 $classes = array( '' );
1159 } else {
1160 $classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
1161 }
1162 } else {
1163 $classes = array( '' );
1164 }
1165
1166 /**
1167 * Filter the postbox classes for a specific screen and screen ID combo.
1168 *
1169 * The dynamic portions of the hook name, `$page` and `$id`, refer to
1170 * the screen and screen ID, respectively.
1171 *
1172 * @since 3.2.0
1173 *
1174 * @param array $classes An array of postbox classes.
1175 */
1176 $classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
1177 return implode( ' ', $classes );
1178}
1179
1180/**
1181 * Get a sample permalink based off of the post name.
1182 *
1183 * @since 2.5.0
1184 *
1185 * @param int $id Post ID or post object.
1186 * @param string $title Optional. Title. Default null.
1187 * @param string $name Optional. Name. Default null.
1188 * @return array Array with two entries of type string.
1189 */
1190function get_sample_permalink($id, $title = null, $name = null) {
1191 $post = get_post( $id );
1192 if ( ! $post )
1193 return array( '', '' );
1194
1195 $ptype = get_post_type_object($post->post_type);
1196
1197 $original_status = $post->post_status;
1198 $original_date = $post->post_date;
1199 $original_name = $post->post_name;
1200
1201 // Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published.
1202 if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) ) {
1203 $post->post_status = 'publish';
1204 $post->post_name = sanitize_title($post->post_name ? $post->post_name : $post->post_title, $post->ID);
1205 }
1206
1207 // If the user wants to set a new name -- override the current one
1208 // Note: if empty name is supplied -- use the title instead, see #6072
1209 if ( !is_null($name) )
1210 $post->post_name = sanitize_title($name ? $name : $title, $post->ID);
1211
1212 $post->post_name = wp_unique_post_slug($post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent);
1213
1214 $post->filter = 'sample';
1215
1216 $permalink = get_permalink($post, true);
1217
1218 // Replace custom post_type Token with generic pagename token for ease of use.
1219 $permalink = str_replace("%$post->post_type%", '%pagename%', $permalink);
1220
1221 // Handle page hierarchy
1222 if ( $ptype->hierarchical ) {
1223 $uri = get_page_uri($post);
1224 if ( $uri ) {
1225 $uri = untrailingslashit($uri);
1226 $uri = strrev( stristr( strrev( $uri ), '/' ) );
1227 $uri = untrailingslashit($uri);
1228 }
1229
1230 /** This filter is documented in wp-admin/edit-tag-form.php */
1231 $uri = apply_filters( 'editable_slug', $uri );
1232 if ( !empty($uri) )
1233 $uri .= '/';
1234 $permalink = str_replace('%pagename%', "{$uri}%pagename%", $permalink);
1235 }
1236
1237 /** This filter is documented in wp-admin/edit-tag-form.php */
1238 $permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name ) );
1239 $post->post_status = $original_status;
1240 $post->post_date = $original_date;
1241 $post->post_name = $original_name;
1242 unset($post->filter);
1243
1244 return $permalink;
1245}
1246
1247/**
1248 * Returns the HTML of the sample permalink slug editor.
1249 *
1250 * @since 2.5.0
1251 *
1252 * @param int $id Post ID or post object.
1253 * @param string $new_title Optional. New title. Default null.
1254 * @param string $new_slug Optional. New slug. Default null.
1255 * @return string The HTML of the sample permalink slug editor.
1256 */
1257function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
1258 $post = get_post( $id );
1259 if ( ! $post )
1260 return '';
1261
1262 list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug);
1263
1264 if ( current_user_can( 'read_post', $post->ID ) ) {
1265 $ptype = get_post_type_object( $post->post_type );
1266 $view_post = $ptype->labels->view_item;
1267 }
1268
1269 if ( 'publish' == get_post_status( $post ) ) {
1270 $title = __('Click to edit this part of the permalink');
1271 } else {
1272 $title = __('Temporary permalink. Click to edit this part.');
1273 }
1274
1275 if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) {
1276 $return = '<strong>' . __('Permalink:') . "</strong>\n" . '<span id="sample-permalink" tabindex="-1">' . $permalink . "</span>\n";
1277 if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && !( 'page' == get_option('show_on_front') && $id == get_option('page_on_front') ) ) {
1278 $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __('Change Permalinks') . "</a></span>\n";
1279 }
1280 } else {
1281 if ( function_exists( 'mb_strlen' ) ) {
1282 if ( mb_strlen( $post_name ) > 30 ) {
1283 $post_name_abridged = mb_substr( $post_name, 0, 14 ) . '&hellip;' . mb_substr( $post_name, -14 );
1284 } else {
1285 $post_name_abridged = $post_name;
1286 }
1287 } else {
1288 if ( strlen( $post_name ) > 30 ) {
1289 $post_name_abridged = substr( $post_name, 0, 14 ) . '&hellip;' . substr( $post_name, -14 );
1290 } else {
1291 $post_name_abridged = $post_name;
1292 }
1293 }
1294
1295 $post_name_html = '<span id="editable-post-name" title="' . $title . '">' . $post_name_abridged . '</span>';
1296 $display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, urldecode( $permalink ) );
1297 $pretty_permalink = str_replace( array( '%pagename%', '%postname%' ), $post_name, urldecode( $permalink ) );
1298
1299 $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
1300 $return .= '<span id="sample-permalink" tabindex="-1">' . $display_link . "</span>\n";
1301 $return .= '&lrm;'; // Fix bi-directional text display defect in RTL languages.
1302 $return .= '<span id="edit-slug-buttons"><a href="#post_name" class="edit-slug button button-small hide-if-no-js" onclick="editPermalink(' . $id . '); return false;">' . __( 'Edit' ) . "</a></span>\n";
1303 $return .= '<span id="editable-post-name-full">' . $post_name . "</span>\n";
1304 }
1305
1306 if ( isset( $view_post ) ) {
1307 if( 'draft' == $post->post_status || 'pending' == $post->post_status ) {
1308 $preview_link = set_url_scheme( get_permalink( $post->ID ) );
1309 /** This filter is documented in wp-admin/includes/meta-boxes.php */
1310 $preview_link = apply_filters( 'preview_post_link', add_query_arg( 'preview', 'true', $preview_link ), $post );
1311 $return .= "<span id='view-post-btn'><a href='" . esc_url( $preview_link ) . "' class='button button-small' target='wp-preview-{$post->ID}'>$view_post</a></span>\n";
1312 } else {
1313 if ( empty( $pretty_permalink ) ) {
1314 $pretty_permalink = $permalink;
1315 }
1316
1317 $return .= "<span id='view-post-btn'><a href='" . $pretty_permalink . "' class='button button-small'>$view_post</a></span>\n";
1318 }
1319 }
1320
1321 /**
1322 * Filter the sample permalink HTML markup.
1323 *
1324 * @since 2.9.0
1325 *
1326 * @param string $return Sample permalink HTML markup.
1327 * @param int|WP_Post $id Post object or ID.
1328 * @param string $new_title New sample permalink title.
1329 * @param string $new_slug New sample permalink slug.
1330 */
1331 $return = apply_filters( 'get_sample_permalink_html', $return, $id, $new_title, $new_slug );
1332
1333 return $return;
1334}
1335
1336/**
1337 * Output HTML for the post thumbnail meta-box.
1338 *
1339 * @since 2.9.0
1340 *
1341 * @param int $thumbnail_id ID of the attachment used for thumbnail
1342 * @param mixed $post The post ID or object associated with the thumbnail, defaults to global $post.
1343 * @return string html
1344 */
1345function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
1346 global $content_width, $_wp_additional_image_sizes;
1347
1348 $post = get_post( $post );
1349
1350 $upload_iframe_src = esc_url( get_upload_iframe_src('image', $post->ID ) );
1351 $set_thumbnail_link = '<p class="hide-if-no-js"><a title="' . esc_attr__( 'Set featured image' ) . '" href="%s" id="set-post-thumbnail" class="thickbox">%s</a></p>';
1352 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, esc_html__( 'Set featured image' ) );
1353
1354 if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
1355 $old_content_width = $content_width;
1356 $content_width = 266;
1357 if ( !isset( $_wp_additional_image_sizes['post-thumbnail'] ) )
1358 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, array( $content_width, $content_width ) );
1359 else
1360 $thumbnail_html = wp_get_attachment_image( $thumbnail_id, 'post-thumbnail' );
1361 if ( !empty( $thumbnail_html ) ) {
1362 $ajax_nonce = wp_create_nonce( 'set_post_thumbnail-' . $post->ID );
1363 $content = sprintf( $set_thumbnail_link, $upload_iframe_src, $thumbnail_html );
1364 $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(\'' . $ajax_nonce . '\');return false;">' . esc_html__( 'Remove featured image' ) . '</a></p>';
1365 }
1366 $content_width = $old_content_width;
1367 }
1368
1369 /**
1370 * Filter the admin post thumbnail HTML markup to return.
1371 *
1372 * @since 2.9.0
1373 *
1374 * @param string $content Admin post thumbnail HTML markup.
1375 * @param int $post_id Post ID.
1376 */
1377 return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID );
1378}
1379
1380/**
1381 * Check to see if the post is currently being edited by another user.
1382 *
1383 * @since 2.5.0
1384 *
1385 * @param int $post_id ID of the post to check for editing
1386 * @return integer False: not locked or locked by current user. Int: user ID of user with lock.
1387 */
1388function wp_check_post_lock( $post_id ) {
1389 if ( !$post = get_post( $post_id ) )
1390 return false;
1391
1392 if ( !$lock = get_post_meta( $post->ID, '_edit_lock', true ) )
1393 return false;
1394
1395 $lock = explode( ':', $lock );
1396 $time = $lock[0];
1397 $user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
1398
1399 /** This filter is documented in wp-admin/includes/ajax-actions.php */
1400 $time_window = apply_filters( 'wp_check_post_lock_window', 150 );
1401
1402 if ( $time && $time > time() - $time_window && $user != get_current_user_id() )
1403 return $user;
1404 return false;
1405}
1406
1407/**
1408 * Mark the post as currently being edited by the current user
1409 *
1410 * @since 2.5.0
1411 *
1412 * @param int $post_id ID of the post to being edited
1413 * @return bool|array Returns false if the post doesn't exist of there is no current user, or
1414 * an array of the lock time and the user ID.
1415 */
1416function wp_set_post_lock( $post_id ) {
1417 if ( !$post = get_post( $post_id ) )
1418 return false;
1419 if ( 0 == ($user_id = get_current_user_id()) )
1420 return false;
1421
1422 $now = time();
1423 $lock = "$now:$user_id";
1424
1425 update_post_meta( $post->ID, '_edit_lock', $lock );
1426 return array( $now, $user_id );
1427}
1428
1429/**
1430 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
1431 *
1432 * @since 2.8.5
1433 * @return none
1434 */
1435function _admin_notice_post_locked() {
1436 if ( ! $post = get_post() )
1437 return;
1438
1439 $user = null;
1440 if ( $user_id = wp_check_post_lock( $post->ID ) )
1441 $user = get_userdata( $user_id );
1442
1443 if ( $user ) {
1444
1445 /**
1446 * Filter whether to show the post locked dialog.
1447 *
1448 * Returning a falsey value to the filter will short-circuit displaying the dialog.
1449 *
1450 * @since 3.6.0
1451 *
1452 * @param bool $display Whether to display the dialog. Default true.
1453 * @param WP_User|bool $user WP_User object on success, false otherwise.
1454 */
1455 if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) )
1456 return;
1457
1458 $locked = true;
1459 } else {
1460 $locked = false;
1461 }
1462
1463 if ( $locked && ( $sendback = wp_get_referer() ) &&
1464 false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {
1465
1466 $sendback_text = __('Go back');
1467 } else {
1468 $sendback = admin_url( 'edit.php' );
1469
1470 if ( 'post' != $post->post_type )
1471 $sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
1472
1473 $sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
1474 }
1475
1476 $hidden = $locked ? '' : ' hidden';
1477
1478 ?>
1479 <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
1480 <div class="notification-dialog-background"></div>
1481 <div class="notification-dialog">
1482 <?php
1483
1484 if ( $locked ) {
1485 if ( get_post_type_object( $post->post_type )->public ) {
1486 $preview_link = set_url_scheme( add_query_arg( 'preview', 'true', get_permalink( $post->ID ) ) );
1487
1488 if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) {
1489 // Latest content is in autosave
1490 $nonce = wp_create_nonce( 'post_preview_' . $post->ID );
1491 $preview_link = add_query_arg( array( 'preview_id' => $post->ID, 'preview_nonce' => $nonce ), $preview_link );
1492 }
1493 } else {
1494 $preview_link = '';
1495 }
1496
1497 /** This filter is documented in wp-admin/includes/meta-boxes.php */
1498 $preview_link = apply_filters( 'preview_post_link', $preview_link, $post );
1499
1500 /**
1501 * Filter whether to allow the post lock to be overridden.
1502 *
1503 * Returning a falsey value to the filter will disable the ability
1504 * to override the post lock.
1505 *
1506 * @since 3.6.0
1507 *
1508 * @param bool $override Whether to allow overriding post locks. Default true.
1509 * @param WP_Post $post Post object.
1510 * @param WP_User $user User object.
1511 */
1512 $override = apply_filters( 'override_post_lock', true, $post, $user );
1513 $tab_last = $override ? '' : ' wp-tab-last';
1514
1515 ?>
1516 <div class="post-locked-message">
1517 <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
1518 <p class="currently-editing wp-tab-first" tabindex="0">
1519 <?php
1520 _e( 'This content is currently locked.' );
1521 if ( $override )
1522 printf( ' ' . __( 'If you take over, %s will be blocked from continuing to edit.' ), esc_html( $user->display_name ) );
1523 ?>
1524 </p>
1525 <?php
1526 /**
1527 * Fires inside the post locked dialog before the buttons are displayed.
1528 *
1529 * @since 3.6.0
1530 *
1531 * @param WP_Post $post Post object.
1532 */
1533 do_action( 'post_locked_dialog', $post );
1534 ?>
1535 <p>
1536 <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
1537 <?php if ( $preview_link ) { ?>
1538 <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e('Preview'); ?></a>
1539 <?php
1540 }
1541
1542 // Allow plugins to prevent some users overriding the post lock
1543 if ( $override ) {
1544 ?>
1545 <a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e('Take over'); ?></a>
1546 <?php
1547 }
1548
1549 ?>
1550 </p>
1551 </div>
1552 <?php
1553 } else {
1554 ?>
1555 <div class="post-taken-over">
1556 <div class="post-locked-avatar"></div>
1557 <p class="wp-tab-first" tabindex="0">
1558 <span class="currently-editing"></span><br />
1559 <span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" /> <?php _e('Saving revision...'); ?></span>
1560 <span class="locked-saved hidden"><?php _e('Your latest changes were saved as a revision.'); ?></span>
1561 </p>
1562 <?php
1563 /**
1564 * Fires inside the dialog displayed when a user has lost the post lock.
1565 *
1566 * @since 3.6.0
1567 *
1568 * @param WP_Post $post Post object.
1569 */
1570 do_action( 'post_lock_lost_dialog', $post );
1571 ?>
1572 <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
1573 </div>
1574 <?php
1575 }
1576
1577 ?>
1578 </div>
1579 </div>
1580 <?php
1581}
1582
1583/**
1584 * Creates autosave data for the specified post from $_POST data.
1585 *
1586 * @package WordPress
1587 * @subpackage Post_Revisions
1588 * @since 2.6.0
1589 *
1590 * @param mixed $post_data Associative array containing the post data or int post ID.
1591 * @return mixed The autosave revision ID. WP_Error or 0 on error.
1592 */
1593function wp_create_post_autosave( $post_data ) {
1594 if ( is_numeric( $post_data ) ) {
1595 $post_id = $post_data;
1596 $post_data = &$_POST;
1597 } else {
1598 $post_id = (int) $post_data['post_ID'];
1599 }
1600
1601 $post_data = _wp_translate_postdata( true, $post_data );
1602 if ( is_wp_error( $post_data ) )
1603 return $post_data;
1604
1605 $post_author = get_current_user_id();
1606
1607 // Store one autosave per author. If there is already an autosave, overwrite it.
1608 if ( $old_autosave = wp_get_post_autosave( $post_id, $post_author ) ) {
1609 $new_autosave = _wp_post_revision_fields( $post_data, true );
1610 $new_autosave['ID'] = $old_autosave->ID;
1611 $new_autosave['post_author'] = $post_author;
1612
1613 // If the new autosave has the same content as the post, delete the autosave.
1614 $post = get_post( $post_id );
1615 $autosave_is_different = false;
1616 foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields() ) ) as $field ) {
1617 if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
1618 $autosave_is_different = true;
1619 break;
1620 }
1621 }
1622
1623 if ( ! $autosave_is_different ) {
1624 wp_delete_post_revision( $old_autosave->ID );
1625 return 0;
1626 }
1627
1628 /**
1629 * Fires before an autosave is stored.
1630 *
1631 * @since 4.1.0
1632 *
1633 * @param array $new_autosave Post array - the autosave that is about to be saved.
1634 */
1635 do_action( 'wp_creating_autosave', $new_autosave );
1636
1637 return wp_update_post( $new_autosave );
1638 }
1639
1640 // _wp_put_post_revision() expects unescaped.
1641 $post_data = wp_unslash( $post_data );
1642
1643 // Otherwise create the new autosave as a special post revision
1644 return _wp_put_post_revision( $post_data, true );
1645}
1646
1647/**
1648 * Save draft or manually autosave for showing preview.
1649 *
1650 * @package WordPress
1651 * @since 2.7.0
1652 *
1653 * @return str URL to redirect to show the preview
1654 */
1655function post_preview() {
1656
1657 $post_ID = (int) $_POST['post_ID'];
1658 $_POST['ID'] = $post_ID;
1659
1660 if ( ! $post = get_post( $post_ID ) ) {
1661 wp_die( __( 'You are not allowed to edit this post.' ) );
1662 }
1663
1664 if ( ! current_user_can( 'edit_post', $post->ID ) ) {
1665 wp_die( __( 'You are not allowed to edit this post.' ) );
1666 }
1667
1668 $is_autosave = false;
1669
1670 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'draft' == $post->post_status || 'auto-draft' == $post->post_status ) ) {
1671 $saved_post_id = edit_post();
1672 } else {
1673 $is_autosave = true;
1674
1675 if ( isset( $_POST['post_status'] ) && 'auto-draft' == $_POST['post_status'] )
1676 $_POST['post_status'] = 'draft';
1677
1678 $saved_post_id = wp_create_post_autosave( $post->ID );
1679 }
1680
1681 if ( is_wp_error( $saved_post_id ) )
1682 wp_die( $saved_post_id->get_error_message() );
1683
1684 $query_args = array( 'preview' => 'true' );
1685
1686 if ( $is_autosave && $saved_post_id ) {
1687 $query_args['preview_id'] = $post->ID;
1688 $query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );
1689
1690 if ( isset( $_POST['post_format'] ) )
1691 $query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
1692 }
1693
1694 $url = add_query_arg( $query_args, get_permalink( $post->ID ) );
1695
1696 /** This filter is documented in wp-admin/includes/meta-boxes.php */
1697 return apply_filters( 'preview_post_link', $url, $post );
1698}
1699
1700/**
1701 * Save a post submitted with XHR
1702 *
1703 * Intended for use with heartbeat and autosave.js
1704 *
1705 * @since 3.9.0
1706 *
1707 * @param array $post_data Associative array of the submitted post data.
1708 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
1709 * Te ID can be the draft post_id or the autosave revision post_id.
1710 */
1711function wp_autosave( $post_data ) {
1712 // Back-compat
1713 if ( ! defined( 'DOING_AUTOSAVE' ) )
1714 define( 'DOING_AUTOSAVE', true );
1715
1716 $post_id = (int) $post_data['post_id'];
1717 $post_data['ID'] = $post_data['post_ID'] = $post_id;
1718
1719 if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
1720 return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
1721 }
1722
1723 $post = get_post( $post_id );
1724
1725 if ( ! current_user_can( 'edit_post', $post->ID ) ) {
1726 return new WP_Error( 'edit_posts', __( 'You are not allowed to edit this item.' ) );
1727 }
1728
1729 if ( 'auto-draft' == $post->post_status )
1730 $post_data['post_status'] = 'draft';
1731
1732 if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) )
1733 $post_data['post_category'] = explode( ',', $post_data['catslist'] );
1734
1735 if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) ) {
1736 // Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked
1737 return edit_post( wp_slash( $post_data ) );
1738 } else {
1739 // Non drafts or other users drafts are not overwritten. The autosave is stored in a special post revision for each user.
1740 return wp_create_post_autosave( wp_slash( $post_data ) );
1741 }
1742}