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source: tags/2.2/wp-includes/pluggable.php

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Last change on this file was 5440, checked in by ryan, 14 years ago
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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);
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	if ( '' == $username )
228	return false;
229
230	if ( '' == $password ) {
231	$error = __('<strong>ERROR</strong>: The password field is empty.');
232	return false;
233	}
234
235	$login = get_userdatabylogin($username);
236	//$login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
237
238	if (!$login) {
239	$error = __('<strong>ERROR</strong>: Invalid username.');
240	return false;
241	} else {
242	// If the password is already_md5, it has been double hashed.
243	// Otherwise, it is plain text.
244	if ( ($already_md5 && md5($login->user_pass) == $password) \|\| ($login->user_login == $username && $login->user_pass == md5($password)) ) {
245	return true;
246	} else {
247	$error = __('<strong>ERROR</strong>: Incorrect password.');
248	$pwd = '';
249	return false;
250	}
251	}
252	}
253	endif;
254
255	if ( !function_exists('is_user_logged_in') ) :
256	function is_user_logged_in() {
257	$user = wp_get_current_user();
258
259	if ( $user->id == 0 )
260	return false;
261
262	return true;
263	}
264	endif;
265
266	if ( !function_exists('auth_redirect') ) :
267	function auth_redirect() {
268	// Checks if a user is logged in, if not redirects them to the login page
269	if ( (!empty($_COOKIE[USER_COOKIE]) &&
270	!wp_login($_COOKIE[USER_COOKIE], $_COOKIE[PASS_COOKIE], true)) \|\|
271	(empty($_COOKIE[USER_COOKIE])) ) {
272	nocache_headers();
273
274	wp_redirect(get_option('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
275	exit();
276	}
277	}
278	endif;
279
280	if ( !function_exists('check_admin_referer') ) :
281	function check_admin_referer($action = -1) {
282	$adminurl = strtolower(get_option('siteurl')).'/wp-admin';
283	$referer = strtolower(wp_get_referer());
284	if ( !wp_verify_nonce($_REQUEST['_wpnonce'], $action) &&
285	!(-1 == $action && strpos($referer, $adminurl) !== false)) {
286	wp_nonce_ays($action);
287	die();
288	}
289	do_action('check_admin_referer', $action);
290	}endif;
291
292	if ( !function_exists('check_ajax_referer') ) :
293	function check_ajax_referer() {
294	$cookie = explode('; ', urldecode(empty($_POST['cookie']) ? $_GET['cookie'] : $_POST['cookie'])); // AJAX scripts must pass cookie=document.cookie
295	foreach ( $cookie as $tasty ) {
296	if ( false !== strpos($tasty, USER_COOKIE) )
297	$user = substr(strstr($tasty, '='), 1);
298	if ( false !== strpos($tasty, PASS_COOKIE) )
299	$pass = substr(strstr($tasty, '='), 1);
300	}
301	if ( !wp_login( $user, $pass, true ) )
302	die('-1');
303	do_action('check_ajax_referer');
304	}
305	endif;
306
307	// Cookie safe redirect. Works around IIS Set-Cookie bug.
308	// http://support.microsoft.com/kb/q176113/
309	if ( !function_exists('wp_redirect') ) :
310	function wp_redirect($location, $status = 302) {
311	global $is_IIS;
312
313	$location = apply_filters('wp_redirect', $location, $status);
314
315	if ( !$location ) // allows the wp_redirect filter to cancel a redirect
316	return false;
317
318	$location = preg_replace('\|[^a-z0-9-~+_.?#=&;,/:%]\|i', '', $location);
319	$location = wp_kses_no_null($location);
320
321	$strip = array('%0d', '%0a');
322	$location = str_replace($strip, '', $location);
323
324	if ( $is_IIS ) {
325	header("Refresh: 0;url=$location");
326	} else {
327	if ( php_sapi_name() != 'cgi-fcgi' )
328	status_header($status); // This causes problems on IIS and some FastCGI setups
329	header("Location: $location");
330	}
331	}
332	endif;
333
334	if ( !function_exists('wp_get_cookie_login') ):
335	function wp_get_cookie_login() {
336	if ( empty($_COOKIE[USER_COOKIE]) \|\| empty($_COOKIE[PASS_COOKIE]) )
337	return false;
338
339	return array('login' => $_COOKIE[USER_COOKIE], 'password' => $_COOKIE[PASS_COOKIE]);
340	}
341
342	endif;
343
344	if ( !function_exists('wp_setcookie') ) :
345	function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '', $remember = false) {
346	if ( !$already_md5 )
347	$password = md5( md5($password) ); // Double hash the password in the cookie.
348
349	if ( empty($home) )
350	$cookiepath = COOKIEPATH;
351	else
352	$cookiepath = preg_replace('\|https?://[^/]+\|i', '', $home . '/' );
353
354	if ( empty($siteurl) ) {
355	$sitecookiepath = SITECOOKIEPATH;
356	$cookiehash = COOKIEHASH;
357	} else {
358	$sitecookiepath = preg_replace('\|https?://[^/]+\|i', '', $siteurl . '/' );
359	$cookiehash = md5($siteurl);
360	}
361
362	if ( $remember )
363	$expire = time() + 31536000;
364	else
365	$expire = 0;
366
367	setcookie(USER_COOKIE, $username, $expire, $cookiepath, COOKIE_DOMAIN);
368	setcookie(PASS_COOKIE, $password, $expire, $cookiepath, COOKIE_DOMAIN);
369
370	if ( $cookiepath != $sitecookiepath ) {
371	setcookie(USER_COOKIE, $username, $expire, $sitecookiepath, COOKIE_DOMAIN);
372	setcookie(PASS_COOKIE, $password, $expire, $sitecookiepath, COOKIE_DOMAIN);
373	}
374	}
375	endif;
376
377	if ( !function_exists('wp_clearcookie') ) :
378	function wp_clearcookie() {
379	setcookie(USER_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
380	setcookie(PASS_COOKIE, ' ', time() - 31536000, COOKIEPATH, COOKIE_DOMAIN);
381	setcookie(USER_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
382	setcookie(PASS_COOKIE, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_DOMAIN);
383	}
384	endif;
385
386	if ( ! function_exists('wp_notify_postauthor') ) :
387	function wp_notify_postauthor($comment_id, $comment_type='') {
388	global $wpdb;
389
390	$comment = get_comment($comment_id);
391	$post = get_post($comment->comment_post_ID);
392	$user = get_userdata( $post->post_author );
393
394	if ('' == $user->user_email) return false; // If there's no email to send the comment to
395
396	$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
397
398	$blogname = get_option('blogname');
399
400	if ( empty( $comment_type ) ) $comment_type = 'comment';
401
402	if ('comment' == $comment_type) {
403	$notify_message = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
404	$notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
405	$notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
406	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
407	$notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
408	$notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
409	$notify_message .= __('You can see all comments on this post here: ') . "\r\n";
410	$subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title );
411	} elseif ('trackback' == $comment_type) {
412	$notify_message = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
413	$notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
414	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
415	$notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
416	$notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n";
417	$subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title );
418	} elseif ('pingback' == $comment_type) {
419	$notify_message = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
420	$notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
421	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
422	$notify_message .= __('Excerpt: ') . "\r\n" . sprintf('[...] %s [...]', $comment->comment_content ) . "\r\n\r\n";
423	$notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n";
424	$subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
425	}
426	$notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
427	$notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
428	$notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
429
430	$wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
431
432	if ( '' == $comment->comment_author ) {
433	$from = "From: \"$blogname\" <$wp_email>";
434	if ( '' != $comment->comment_author_email )
435	$reply_to = "Reply-To: $comment->comment_author_email";
436	} else {
437	$from = "From: \"$comment->comment_author\" <$wp_email>";
438	if ( '' != $comment->comment_author_email )
439	$reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
440	}
441
442	$message_headers = "MIME-Version: 1.0\n"
443	. "$from\n"
444	. "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
445
446	if ( isset($reply_to) )
447	$message_headers .= $reply_to . "\n";
448
449	$notify_message = apply_filters('comment_notification_text', $notify_message, $comment_id);
450	$subject = apply_filters('comment_notification_subject', $subject, $comment_id);
451	$message_headers = apply_filters('comment_notification_headers', $message_headers, $comment_id);
452
453	@wp_mail($user->user_email, $subject, $notify_message, $message_headers);
454
455	return true;
456	}
457	endif;
458
459	/* wp_notify_moderator
460	notifies the moderator of the blog (usually the admin)
461	about a new comment that waits for approval
462	always returns true
463	*/
464	if ( !function_exists('wp_notify_moderator') ) :
465	function wp_notify_moderator($comment_id) {
466	global $wpdb;
467
468	if( get_option( "moderation_notify" ) == 0 )
469	return true;
470
471	$comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
472	$post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
473
474	$comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
475	$comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
476
477	$notify_message = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
478	$notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
479	$notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
480	$notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
481	$notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
482	$notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
483	$notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
484	$notify_message .= sprintf( __('Approve it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=mac&c=$comment_id" ) . "\r\n";
485	$notify_message .= sprintf( __('Delete it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&c=$comment_id" ) . "\r\n";
486	$notify_message .= sprintf( __('Spam it: %s'), get_option('siteurl')."/wp-admin/comment.php?action=cdc&dt=spam&c=$comment_id" ) . "\r\n";
487	$notify_message .= sprintf( __('Currently %s comments are waiting for approval. Please visit the moderation panel:'), $comments_waiting ) . "\r\n";
488	$notify_message .= get_option('siteurl') . "/wp-admin/moderation.php\r\n";
489
490	$subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_option('blogname'), $post->post_title );
491	$admin_email = get_option('admin_email');
492
493	$notify_message = apply_filters('comment_moderation_text', $notify_message, $comment_id);
494	$subject = apply_filters('comment_moderation_subject', $subject, $comment_id);
495
496	@wp_mail($admin_email, $subject, $notify_message);
497
498	return true;
499	}
500	endif;
501
502	if ( !function_exists('wp_new_user_notification') ) :
503	function wp_new_user_notification($user_id, $plaintext_pass = '') {
504	$user = new WP_User($user_id);
505
506	$user_login = stripslashes($user->user_login);
507	$user_email = stripslashes($user->user_email);
508
509	$message = sprintf(__('New user registration on your blog %s:'), get_option('blogname')) . "\r\n\r\n";
510	$message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n";
511	$message .= sprintf(__('E-mail: %s'), $user_email) . "\r\n";
512
513	@wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), get_option('blogname')), $message);
514
515	if ( empty($plaintext_pass) )
516	return;
517
518	$message = sprintf(__('Username: %s'), $user_login) . "\r\n";
519	$message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n";
520	$message .= get_option('siteurl') . "/wp-login.php\r\n";
521
522	wp_mail($user_email, sprintf(__('[%s] Your username and password'), get_option('blogname')), $message);
523
524	}
525	endif;
526
527	if ( !function_exists('wp_verify_nonce') ) :
528	function wp_verify_nonce($nonce, $action = -1) {
529	$user = wp_get_current_user();
530	$uid = (int) $user->id;
531
532	$i = ceil(time() / 43200);
533
534	//Allow for expanding range, but only do one check if we can
535	if( substr(wp_hash($i . $action . $uid), -12, 10) == $nonce \|\| substr(wp_hash(($i - 1) . $action . $uid), -12, 10) == $nonce )
536	return true;
537	return false;
538	}
539	endif;
540
541	if ( !function_exists('wp_create_nonce') ) :
542	function wp_create_nonce($action = -1) {
543	$user = wp_get_current_user();
544	$uid = (int) $user->id;
545
546	$i = ceil(time() / 43200);
547
548	return substr(wp_hash($i . $action . $uid), -12, 10);
549	}
550	endif;
551
552	if ( !function_exists('wp_salt') ) :
553	function wp_salt() {
554	$salt = get_option('secret');
555	if ( empty($salt) )
556	$salt = DB_PASSWORD . DB_USER . DB_NAME . DB_HOST . ABSPATH;
557
558	return $salt;
559	}
560	endif;
561
562	if ( !function_exists('wp_hash') ) :
563	function wp_hash($data) {
564	$salt = wp_salt();
565
566	if ( function_exists('hash_hmac') ) {
567	return hash_hmac('md5', $data, $salt);
568	} else {
569	return md5($data . $salt);
570	}
571	}
572	endif;
573
574	?>

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