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source: tags/2.2.2/wp-includes/pluggable.php

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Last change on this file was 5714, checked in by ryan, 14 years ago
Use EXTR_SKIP when extracting. For 2.2. See #4468
Property svn:eol-style set to `native`
File size: 19.3 KB

Line
1	<?php
2
3	/* These functions can be replaced via plugins. They are loaded after
4	plugins are loaded. */
5
6	if ( !function_exists('set_current_user') ) :
7	function set_current_user($id, $name = '') {
8	return wp_set_current_user($id, $name);
9	}
10	endif;
11
12	if ( !function_exists('wp_set_current_user') ) :
13	function wp_set_current_user($id, $name = '') {
14	global $current_user;
15
16	if ( isset($current_user) && ($id == $current_user->ID) )
17	return $current_user;
18
19	$current_user = new WP_User($id, $name);
20
21	setup_userdata($current_user->ID);
22
23	do_action('set_current_user');
24
25	return $current_user;
26	}
27	endif;
28
29	if ( !function_exists('wp_get_current_user') ) :
30	function wp_get_current_user() {
31	global $current_user;
32
33	get_currentuserinfo();
34
35	return $current_user;
36	}
37	endif;
38
39	if ( !function_exists('get_currentuserinfo') ) :
40	function get_currentuserinfo() {
41	global $current_user;
42
43	if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST )
44	return false;
45
46	if ( ! empty($current_user) )
47	return;
48
49	if ( empty($_COOKIE[USER_COOKIE]) \|\| empty($_COOKIE[PASS_COOKIE]) \|\|
50	!wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true) ) {
51	wp_set_current_user(0);
52	return false;
53	}
54
55	$user_login = $_COOKIE[USER_COOKIE];
56	wp_set_current_user(0, $user_login);
57	}
58	endif;
59
60	if ( !function_exists('get_userdata') ) :
61	function get_userdata( $user_id ) {
62	global $wpdb;
63	$user_id = (int) $user_id;
64	if ( $user_id == 0 )
65	return false;
66
67	$user = wp_cache_get($user_id, 'users');
68
69	if ( $user )
70	return $user;
71
72	if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = '$user_id' LIMIT 1") )
73	return false;
74
75	$wpdb->hide_errors();
76	$metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'");
77	$wpdb->show_errors();
78
79	if ($metavalues) {
80	foreach ( $metavalues as $meta ) {
81	$value = maybe_unserialize($meta->meta_value);
82	$user->{$meta->meta_key} = $value;
83
84	// We need to set user_level from meta, not row
85	if ( $wpdb->prefix . 'user_level' == $meta->meta_key )
86	$user->user_level = $meta->meta_value;
87	} // end foreach
88	} //end if
89
90	// For backwards compat.
91	if ( isset($user->first_name) )
92	$user->user_firstname = $user->first_name;
93	if ( isset($user->last_name) )
94	$user->user_lastname = $user->last_name;
95	if ( isset($user->description) )
96	$user->user_description = $user->description;
97
98	wp_cache_add($user_id, $user, 'users');
99	wp_cache_add($user->user_login, $user_id, 'userlogins');
100	return $user;
101	}
102	endif;
103
104	if ( !function_exists('update_user_cache') ) :
105	function update_user_cache() {
106	return true;
107	}
108	endif;
109
110	if ( !function_exists('get_userdatabylogin') ) :
111	function get_userdatabylogin($user_login) {
112	global $wpdb;
113	$user_login = sanitize_user( $user_login );
114
115	if ( empty( $user_login ) )
116	return false;
117
118	$user_id = wp_cache_get($user_login, 'userlogins');
119	$userdata = wp_cache_get($user_id, 'users');
120
121	if ( $userdata )
122	return $userdata;
123
124	$user_login = $wpdb->escape($user_login);
125
126	if ( !$user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE user_login = '$user_login'") )
127	return false;
128
129	$wpdb->hide_errors();
130	$metavalues = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user->ID'");
131	$wpdb->show_errors();
132
133	if ($metavalues) {
134	foreach ( $metavalues as $meta ) {
135	$value = maybe_unserialize($meta->meta_value);
136	$user->{$meta->meta_key} = $value;
137
138	// We need to set user_level from meta, not row
139	if ( $wpdb->prefix . 'user_level' == $meta->meta_key )
140	$user->user_level = $meta->meta_value;
141	}
142	}
143
144	// For backwards compat.
145	if ( isset($user->first_name) )
146	$user->user_firstname = $user->first_name;
147	if ( isset($user->last_name) )
148	$user->user_lastname = $user->last_name;
149	if ( isset($user->description) )
150	$user->user_description = $user->description;
151
152	wp_cache_add($user->ID, $user, 'users');
153	wp_cache_add($user->user_login, $user->ID, 'userlogins');
154	return $user;
155
156	}
157	endif;
158
159	if ( !function_exists( 'wp_mail' ) ) :
160	function wp_mail($to, $subject, $message, $headers = '') {
161	global $phpmailer;
162
163	if ( !is_object( $phpmailer ) ) {
164	require_once(ABSPATH . WPINC . '/class-phpmailer.php');
165	require_once(ABSPATH . WPINC . '/class-smtp.php');
166	$phpmailer = new PHPMailer();
167	}
168
169	$mail = compact('to', 'subject', 'message', 'headers');
170	$mail = apply_filters('wp_mail', $mail);
171	extract($mail, EXTR_SKIP);
172
173	if ( $headers == '' ) {
174	$headers = "MIME-Version: 1.0\n" .
175	"From: " . apply_filters('wp_mail_from', "wordpress@" . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']))) . "\n" .
176	"Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
177	}
178
179	$phpmailer->ClearAddresses();
180	$phpmailer->ClearCCs();
181	$phpmailer->ClearBCCs();
182	$phpmailer->ClearReplyTos();
183	$phpmailer->ClearAllRecipients();
184	$phpmailer->ClearCustomHeaders();
185
186	$phpmailer->FromName = "WordPress";
187	$phpmailer->AddAddress("$to", "");
188	$phpmailer->Subject = $subject;
189	$phpmailer->Body = $message;
190	$phpmailer->IsHTML(false);
191	$phpmailer->IsMail(); // set mailer to use php mail()
192
193	do_action_ref_array('phpmailer_init', array(&$phpmailer));
194
195	$mailheaders = (array) explode( "\n", $headers );
196	foreach ( $mailheaders as $line ) {
197	$header = explode( ":", $line );
198	switch ( trim( $header[0] ) ) {
199	case "From":
200	$from = trim( str_replace( '"', '', $header[1] ) );
201	if ( strpos( $from, '<' ) ) {
202	$phpmailer->FromName = str_replace( '"', '', substr( $header[1], 0, strpos( $header[1], '<' ) - 1 ) );
203	$from = trim( substr( $from, strpos( $from, '<' ) + 1 ) );
204	$from = str_replace( '>', '', $from );
205	} else {
206	$phpmailer->FromName = $from;
207	}
208	$phpmailer->From = trim( $from );
209	break;
210	default:
211	if ( $line != '' && $header[0] != 'MIME-Version' && $header[0] != 'Content-Type' )
212	$phpmailer->AddCustomHeader( $line );
213	break;
214	}
215	}
216
217	$result = @$phpmailer->Send();
218
219	return $result;
220	}
221	endif;
222
223	if ( !function_exists('wp_login') ) :
224	function wp_login($username, $password, $already_md5 = false) {
225	global $wpdb, $error;
226
227	$username = sanitize_user($username);
228
229	if ( '' == $username )
230	return false;
231
232	if ( '' == $password ) {
233	$error = __('<strong>ERROR</strong>: The password field is empty.');
234	return false;
235	}
236
237	$login = get_userdatabylogin($username);
238	//$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
239
240	if (!$login) {
241	$error = __('<strong>ERROR</strong>: Invalid username.');
242	return false;
243	} else {
244	// If the password is already_md5, it has been double hashed.
245	// Otherwise, it is plain text.
246	if ( ($already_md5 && md5($login->user_pass) == $password) \|\| ($login->user_login == $username && $login->user_pass == md5($password)) ) {
247	return true;
248	} else {
249	$error = __('<strong>ERROR</strong>: Incorrect password.');
250	$pwd = '';
251	return false;
252	}
253	}
254	}
255	endif;
256
257	if ( !function_exists('is_user_logged_in') ) :
258	function is_user_logged_in() {
259	$user = wp_get_current_user();
260
261	if ( $user->id == 0 )
262	return false;
263
264	return true;
265	}
266	endif;
267
268	if ( !function_exists('auth_redirect') ) :
269	function auth_redirect() {
270	// Checks if a user is logged in, if not redirects them to the login page
271	if ( (!empty($_COOKIE[USER_COOKIE]) &&
272	!wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) \|\|
273	(empty($_COOKIE[USER_COOKIE])) ) {
274	nocache_headers();
275
276	wp_redirect(get_option('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
277	exit();
278	}
279	}
280	endif;
281
282	if ( !function_exists('check_admin_referer') ) :
283	function check_admin_referer($action = -1) {
284	$adminurl = strtolower(get_option('siteurl')).'/wp-admin';
285	$referer = strtolower(wp_get_referer());
286	if ( !wp_verify_nonce($_REQUEST['_wpnonce'], $action) &&
287	!(-1 == $action && strpos($referer, $adminurl) !== false)) {
288	wp_nonce_ays($action);
289	die();
290	}
291	do_action('check_admin_referer', $action);
292	}endif;
293
294	if ( !function_exists('check_ajax_referer') ) :
295	function check_ajax_referer() {
296	$cookie = explode('; ', urldecode(empty($_POST['cookie']) ? $_GET['cookie'] : $_POST['cookie'])); // AJAX scripts must pass cookie=document.cookie
297	foreach ( $cookie as $tasty ) {
298	if ( false !== strpos($tasty, USER_COOKIE) )
299	$user = substr(strstr($tasty, '='), 1);
300	if ( false !== strpos($tasty, PASS_COOKIE) )
301	$pass = substr(strstr($tasty, '='), 1);
302	}
303	if ( !wp_login( $user, $pass, true ) )
304	die('-1');
305	do_action('check_ajax_referer');
306	}
307	endif;
308
309	// Cookie safe redirect. Works around IIS Set-Cookie bug.
310	// http://support.microsoft.com/kb/q176113/
311	if ( !function_exists('wp_redirect') ) :
312	function wp_redirect($location, $status = 302) {
313	global $is_IIS;
314
315	$location = apply_filters('wp_redirect', $location, $status);
316
317	if ( !$location ) // allows the wp_redirect filter to cancel a redirect
318	return false;
319
320	$location = preg_replace('\|[^a-z0-9-~+_.?#=&;,/:%]\|i', '', $location);
321	$location = wp_kses_no_null($location);
322
323	$strip = array('%0d', '%0a');
324	$location = str_replace($strip, '', $location);
325
326	if ( $is_IIS ) {
327	header("Refresh: 0;url=$location");
328	} else {
329	if ( php_sapi_name() != 'cgi-fcgi' )
330	status_header($status); // This causes problems on IIS and some FastCGI setups
331	header("Location: $location");
332	}
333	}
334	endif;
335
336	if ( !function_exists('wp_get_cookie_login') ):
337	function wp_get_cookie_login() {
338	if ( empty($_COOKIE[USER_COOKIE]) \|\| empty($_COOKIE[PASS_COOKIE]) )
339	return false;
340
341	return array('login' => $_COOKIE[USER_COOKIE], 'password' => $_COOKIE[PASS_COOKIE]);
342	}
343
344	endif;
345
346	if ( !function_exists('wp_setcookie') ) :
347	function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
348	if ( !$already_md5 )
349	$password = md5( md5($password) ); // Double hash the password in the cookie.
350
351	if ( empty($home) )
352	$cookiepath = COOKIEPATH;
353	else
354	$cookiepath = preg_replace('\|https?://[^/]+\|i', '', $home . '/' );
355
356	if ( empty($siteurl) ) {
357	$sitecookiepath = SITECOOKIEPATH;
358	$cookiehash = COOKIEHASH;
359	} else {
360	$sitecookiepath = preg_replace('\|https?://[^/]+\|i', '', $siteurl . '/' );
361	$cookiehash = md5($siteurl);
362	}
363
364	if ( $remember )
365	$expire = time() + 31536000;
366	else
367	$expire = 0;
368
369	setcookie(USER_COOKIE, $username, $expire, $cookiepath, COOKIE_DOMAIN);
370	setcookie(PASS_COOKIE, $password, $expire, $cookiepath, COOKIE_DOMAIN);
371
372	if ( $cookiepath != $sitecookiepath ) {
373	setcookie(USER_COOKIE, $username, $expire, $sitecookiepath, COOKIE_DOMAIN);
374	setcookie(PASS_COOKIE, $password, $expire, $sitecookiepath, COOKIE_DOMAIN);
375	}
376	}
377	endif;
378
379	if ( !function_exists('wp_clearcookie') ) :
380	function wp_clearcookie() {
381	setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
382	setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
383	setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
384	setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
385	}
386	endif;
387
388	if ( ! function_exists('wp_notify_postauthor') ) :
389	function wp_notify_postauthor($comment_id, $comment_type='') {
390	global $wpdb;
391
392	$comment = get_comment($comment_id);
393	$post = get_post($comment->comment_post_ID);
394	$user = get_userdata( $post->post_author );
395
396	if ('' == $user->user_email) return false; // If there's no email to send the comment to
397
398	$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
399
400	$blogname = get_option('blogname');
401
402	if ( empty( $comment_type ) ) $comment_type = 'comment';
403
404	if ('comment' == $comment_type) {
405	$notify_message = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
406	$notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
407	$notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
408	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
409	$notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
410	$notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
411	$notify_message .= __('You can see all comments on this post here: ') . "\r\n";
412	$subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title );
413	} elseif ('trackback' == $comment_type) {
414	$notify_message = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
415	$notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
416	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
417	$notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
418	$notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n";
419	$subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title );
420	} elseif ('pingback' == $comment_type) {
421	$notify_message = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
422	$notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
423	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
424	$notify_message .= __('Excerpt: ') . "\r\n" . sprintf('[...] %s [...]', $comment->comment_content ) . "\r\n\r\n";
425	$notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n";
426	$subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
427	}
428	$notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
429	$notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
430	$notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
431
432	$wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
433
434	if ( '' == $comment->comment_author ) {
435	$from = "From: \"$blogname\" <$wp_email>";
436	if ( '' != $comment->comment_author_email )
437	$reply_to = "Reply-To: $comment->comment_author_email";
438	} else {
439	$from = "From: \"$comment->comment_author\" <$wp_email>";
440	if ( '' != $comment->comment_author_email )
441	$reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
442	}
443
444	$message_headers = "MIME-Version: 1.0\n"
445	. "$from\n"
446	. "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
447
448	if ( isset($reply_to) )
449	$message_headers .= $reply_to . "\n";
450
451	$notify_message = apply_filters('comment_notification_text', $notify_message, $comment_id);
452	$subject = apply_filters('comment_notification_subject', $subject, $comment_id);
453	$message_headers = apply_filters('comment_notification_headers', $message_headers, $comment_id);
454
455	@wp_mail($user->user_email, $subject, $notify_message, $message_headers);
456
457	return true;
458	}
459	endif;
460
461	/* wp_notify_moderator
462	notifies the moderator of the blog (usually the admin)
463	about a new comment that waits for approval
464	always returns true
465	*/
466	if ( !function_exists('wp_notify_moderator') ) :
467	function wp_notify_moderator($comment_id) {
468	global $wpdb;
469
470	if( get_option( "moderation_notify" ) == 0 )
471	return true;
472
473	$comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
474	$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
475
476	$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
477	$comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
478
479	$notify_message = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
480	$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
481	$notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
482	$notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
483	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
484	$notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
485	$notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
486	$notify_message .= sprintf( __('Approve it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=mac&c=$comment_id" ) . "\r\n";
487	$notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
488	$notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
489	$notify_message .= sprintf( __('Currently %s comments are waiting for approval. Please visit the moderation panel:'), $comments_waiting ) . "\r\n";
490	$notify_message .= get_option('siteurl') . "/wp-admin/moderation.php\r\n";
491
492	$subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title );
493	$admin_email = get_option('admin_email');
494
495	$notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id);
496	$subject = apply_filters('comment_moderation_subject', $subject, $comment_id);
497
498	@wp_mail($admin_email, $subject, $notify_message);
499
500	return true;
501	}
502	endif;
503
504	if ( !function_exists('wp_new_user_notification') ) :
505	function wp_new_user_notification($user_id, $plaintext_pass = '') {
506	$user = new WP_User($user_id);
507
508	$user_login = stripslashes($user->user_login);
509	$user_email = stripslashes($user->user_email);
510
511	$message = sprintf(__('New user registration on your blog %s:'), get_option('blogname')) . "\r\n\r\n";
512	$message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
513	$message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n";
514
515	@wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), get_option('blogname')), $message);
516
517	if ( empty($plaintext_pass) )
518	return;
519
520	$message = sprintf(__('Username: %s'), $user_login) . "\r\n";
521	$message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n";
522	$message .= get_option('siteurl') . "/wp-login.php\r\n";
523
524	wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message);
525
526	}
527	endif;
528
529	if ( !function_exists('wp_verify_nonce') ) :
530	function wp_verify_nonce($nonce, $action = -1) {
531	$user = wp_get_current_user();
532	$uid = (int) $user->id;
533
534	$i = ceil(time() / 43200);
535
536	//Allow for expanding range, but only do one check if we can
537	if( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce \|\| substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
538	return true;
539	return false;
540	}
541	endif;
542
543	if ( !function_exists('wp_create_nonce') ) :
544	function wp_create_nonce($action = -1) {
545	$user = wp_get_current_user();
546	$uid = (int) $user->id;
547
548	$i = ceil(time() / 43200);
549
550	return substr(wp_hash($i . $action . $uid), -12, 10);
551	}
552	endif;
553
554	if ( !function_exists('wp_salt') ) :
555	function wp_salt() {
556	$salt = get_option('secret');
557	if ( empty($salt) )
558	$salt = DB_PASSWORD . DB_USER . DB_NAME . DB_HOST . ABSPATH;
559
560	return $salt;
561	}
562	endif;
563
564	if ( !function_exists('wp_hash') ) :
565	function wp_hash($data) {
566	$salt = wp_salt();
567
568	if ( function_exists('hash_hmac') ) {
569	return hash_hmac('md5', $data, $salt);
570	} else {
571	return md5($data . $salt);
572	}
573	}
574	endif;
575
576	?>

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