3 * These functions can be replaced via plugins. If plugins do not redefine these
4 * functions, then these will be used instead.
9 if ( !function_exists('wp_set_current_user') ) :
11 * Changes the current user by ID or name.
13 * Set $id to null and specify a name if you do not know a user's ID.
15 * Some WordPress functionality is based on the current user and not based on
16 * the signed in user. Therefore, it opens the ability to edit and perform
17 * actions on users who aren't signed in.
20 * @global object $current_user The current user object which holds the user data.
22 * @param int $id User ID
23 * @param string $name User's username
24 * @return WP_User Current user User object
26 function wp_set_current_user($id, $name = '') {
29 if ( isset( $current_user ) && ( $current_user instanceof WP_User ) && ( $id == $current_user->ID ) )
32 $current_user = new WP_User( $id, $name );
34 setup_userdata( $current_user->ID );
37 * Fires after the current user is set.
41 do_action( 'set_current_user' );
47 if ( !function_exists('wp_get_current_user') ) :
49 * Retrieve the current user object.
53 * @return WP_User Current user WP_User object
55 function wp_get_current_user() {
58 get_currentuserinfo();
64 if ( !function_exists('get_currentuserinfo') ) :
66 * Populate global variables with information about the currently logged in user.
68 * Will set the current user, if the current user is not set. The current user
69 * will be set to the logged-in person. If no user is logged-in, then it will
70 * set the current user to 0, which is invalid and won't have any permissions.
74 * @uses $current_user Checks if the current user is set
76 * @return null|false False on XML-RPC Request and invalid auth cookie. Null when current user set.
78 function get_currentuserinfo() {
81 if ( ! empty( $current_user ) ) {
82 if ( $current_user instanceof WP_User )
85 // Upgrade stdClass to WP_User
86 if ( is_object( $current_user ) && isset( $current_user->ID ) ) {
87 $cur_id = $current_user->ID;
89 wp_set_current_user( $cur_id );
93 // $current_user has a junk value. Force to WP_User with ID 0.
95 wp_set_current_user( 0 );
99 if ( defined('XMLRPC_REQUEST') && XMLRPC_REQUEST ) {
100 wp_set_current_user( 0 );
105 * Filter the current user.
107 * The default filters use this to determine the current user from the
108 * request's cookies, if available.
110 * Returning a value of false will effectively short-circuit setting
115 * @param int|bool $user_id User ID if one has been determined, false otherwise.
117 $user_id = apply_filters( 'determine_current_user', false );
119 wp_set_current_user( 0 );
123 wp_set_current_user( $user_id );
127 if ( !function_exists('get_userdata') ) :
129 * Retrieve user info by user ID.
133 * @param int $user_id User ID
134 * @return WP_User|bool WP_User object on success, false on failure.
136 function get_userdata( $user_id ) {
137 return get_user_by( 'id', $user_id );
141 if ( !function_exists('get_user_by') ) :
143 * Retrieve user info by a given field
147 * @param string $field The field to retrieve the user with. id | slug | email | login
148 * @param int|string $value A value for $field. A user ID, slug, email address, or login name.
149 * @return WP_User|bool WP_User object on success, false on failure.
151 function get_user_by( $field, $value ) {
152 $userdata = WP_User::get_data_by( $field, $value );
158 $user->init( $userdata );
164 if ( !function_exists('cache_users') ) :
166 * Retrieve info for user lists to prevent multiple queries by get_userdata()
170 * @param array $user_ids User ID numbers list
172 function cache_users( $user_ids ) {
175 $clean = _get_non_cached_ids( $user_ids, 'users' );
177 if ( empty( $clean ) )
180 $list = implode( ',', $clean );
182 $users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" );
185 foreach ( $users as $user ) {
186 update_user_caches( $user );
189 update_meta_cache( 'user', $ids );
193 if ( !function_exists( 'wp_mail' ) ) :
195 * Send mail, similar to PHP's mail
197 * A true return value does not automatically mean that the user received the
198 * email successfully. It just only means that the method used was able to
199 * process the request without any errors.
201 * Using the two 'wp_mail_from' and 'wp_mail_from_name' hooks allow from
202 * creating a from address like 'Name <email@address.com>' when both are set. If
203 * just 'wp_mail_from' is set, then just the email address will be used with no
206 * The default content type is 'text/plain' which does not allow using HTML.
207 * However, you can set the content type of the email by using the
208 * 'wp_mail_content_type' filter.
210 * The default charset is based on the charset used on the blog. The charset can
211 * be set using the 'wp_mail_charset' filter.
217 * @param string|array $to Array or comma-separated list of email addresses to send message.
218 * @param string $subject Email subject
219 * @param string $message Message contents
220 * @param string|array $headers Optional. Additional headers.
221 * @param string|array $attachments Optional. Files to attach.
222 * @return bool Whether the email contents were sent successfully.
224 function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) {
225 // Compact the input, apply the filters, and extract them back out
228 * Filter the wp_mail() arguments.
232 * @param array $args A compacted array of wp_mail() arguments, including the "to" email,
233 * subject, message, headers, and attachments values.
235 $atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) );
237 if ( isset( $atts['to'] ) ) {
241 if ( isset( $atts['subject'] ) ) {
242 $subject = $atts['subject'];
245 if ( isset( $atts['message'] ) ) {
246 $message = $atts['message'];
249 if ( isset( $atts['headers'] ) ) {
250 $headers = $atts['headers'];
253 if ( isset( $atts['attachments'] ) ) {
254 $attachments = $atts['attachments'];
257 if ( ! is_array( $attachments ) ) {
258 $attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) );
262 // (Re)create it, if it's gone missing
263 if ( !is_object( $phpmailer ) || !is_a( $phpmailer, 'PHPMailer' ) ) {
264 require_once ABSPATH . WPINC . '/class-phpmailer.php';
265 require_once ABSPATH . WPINC . '/class-smtp.php';
266 $phpmailer = new PHPMailer( true );
270 if ( empty( $headers ) ) {
273 if ( !is_array( $headers ) ) {
274 // Explode the headers out, so this function can take both
275 // string headers and an array of headers.
276 $tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) );
278 $tempheaders = $headers;
284 // If it's actually got contents
285 if ( !empty( $tempheaders ) ) {
286 // Iterate through the raw headers
287 foreach ( (array) $tempheaders as $header ) {
288 if ( strpos($header, ':') === false ) {
289 if ( false !== stripos( $header, 'boundary=' ) ) {
290 $parts = preg_split('/boundary=/i', trim( $header ) );
291 $boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) );
296 list( $name, $content ) = explode( ':', trim( $header ), 2 );
299 $name = trim( $name );
300 $content = trim( $content );
302 switch ( strtolower( $name ) ) {
303 // Mainly for legacy -- process a From: header if it's there
305 if ( strpos($content, '<' ) !== false ) {
306 // So... making my life hard again?
307 $from_name = substr( $content, 0, strpos( $content, '<' ) - 1 );
308 $from_name = str_replace( '"', '', $from_name );
309 $from_name = trim( $from_name );
311 $from_email = substr( $content, strpos( $content, '<' ) + 1 );
312 $from_email = str_replace( '>', '', $from_email );
313 $from_email = trim( $from_email );
315 $from_email = trim( $content );
319 if ( strpos( $content, ';' ) !== false ) {
320 list( $type, $charset ) = explode( ';', $content );
321 $content_type = trim( $type );
322 if ( false !== stripos( $charset, 'charset=' ) ) {
323 $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset ) );
324 } elseif ( false !== stripos( $charset, 'boundary=' ) ) {
325 $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset ) );
329 $content_type = trim( $content );
333 $cc = array_merge( (array) $cc, explode( ',', $content ) );
336 $bcc = array_merge( (array) $bcc, explode( ',', $content ) );
339 // Add it to our grand headers array
340 $headers[trim( $name )] = trim( $content );
347 // Empty out the values that may be set
348 $phpmailer->ClearAllRecipients();
349 $phpmailer->ClearAttachments();
350 $phpmailer->ClearCustomHeaders();
351 $phpmailer->ClearReplyTos();
353 // From email and name
354 // If we don't have a name from the input headers
355 if ( !isset( $from_name ) )
356 $from_name = 'WordPress';
358 /* If we don't have an email from the input headers default to wordpress@$sitename
359 * Some hosts will block outgoing mail from this address if it doesn't exist but
360 * there's no easy alternative. Defaulting to admin_email might appear to be another
361 * option but some hosts may refuse to relay mail from an unknown domain. See
362 * https://core.trac.wordpress.org/ticket/5007.
365 if ( !isset( $from_email ) ) {
366 // Get the site domain and get rid of www.
367 $sitename = strtolower( $_SERVER['SERVER_NAME'] );
368 if ( substr( $sitename, 0, 4 ) == 'www.' ) {
369 $sitename = substr( $sitename, 4 );
372 $from_email = 'wordpress@' . $sitename;
376 * Filter the email address to send from.
380 * @param string $from_email Email address to send from.
382 $phpmailer->From = apply_filters( 'wp_mail_from', $from_email );
385 * Filter the name to associate with the "from" email address.
389 * @param string $from_name Name associated with the "from" email address.
391 $phpmailer->FromName = apply_filters( 'wp_mail_from_name', $from_name );
393 // Set destination addresses
394 if ( !is_array( $to ) )
395 $to = explode( ',', $to );
397 foreach ( (array) $to as $recipient ) {
399 // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
400 $recipient_name = '';
401 if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) {
402 if ( count( $matches ) == 3 ) {
403 $recipient_name = $matches[1];
404 $recipient = $matches[2];
407 $phpmailer->AddAddress( $recipient, $recipient_name);
408 } catch ( phpmailerException $e ) {
413 // Set mail's subject and body
414 $phpmailer->Subject = $subject;
415 $phpmailer->Body = $message;
417 // Add any CC and BCC recipients
418 if ( !empty( $cc ) ) {
419 foreach ( (array) $cc as $recipient ) {
421 // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
422 $recipient_name = '';
423 if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) {
424 if ( count( $matches ) == 3 ) {
425 $recipient_name = $matches[1];
426 $recipient = $matches[2];
429 $phpmailer->AddCc( $recipient, $recipient_name );
430 } catch ( phpmailerException $e ) {
436 if ( !empty( $bcc ) ) {
437 foreach ( (array) $bcc as $recipient) {
439 // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>"
440 $recipient_name = '';
441 if( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) {
442 if ( count( $matches ) == 3 ) {
443 $recipient_name = $matches[1];
444 $recipient = $matches[2];
447 $phpmailer->AddBcc( $recipient, $recipient_name );
448 } catch ( phpmailerException $e ) {
454 // Set to use PHP's mail()
455 $phpmailer->IsMail();
457 // Set Content-Type and charset
458 // If we don't have a content-type from the input headers
459 if ( !isset( $content_type ) )
460 $content_type = 'text/plain';
463 * Filter the wp_mail() content type.
467 * @param string $content_type Default wp_mail() content type.
469 $content_type = apply_filters( 'wp_mail_content_type', $content_type );
471 $phpmailer->ContentType = $content_type;
473 // Set whether it's plaintext, depending on $content_type
474 if ( 'text/html' == $content_type )
475 $phpmailer->IsHTML( true );
477 // If we don't have a charset from the input headers
478 if ( !isset( $charset ) )
479 $charset = get_bloginfo( 'charset' );
481 // Set the content-type and charset
484 * Filter the default wp_mail() charset.
488 * @param string $charset Default email charset.
490 $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );
492 // Set custom headers
493 if ( !empty( $headers ) ) {
494 foreach( (array) $headers as $name => $content ) {
495 $phpmailer->AddCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
498 if ( false !== stripos( $content_type, 'multipart' ) && ! empty($boundary) )
499 $phpmailer->AddCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) );
502 if ( !empty( $attachments ) ) {
503 foreach ( $attachments as $attachment ) {
505 $phpmailer->AddAttachment($attachment);
506 } catch ( phpmailerException $e ) {
513 * Fires after PHPMailer is initialized.
517 * @param PHPMailer &$phpmailer The PHPMailer instance, passed by reference.
519 do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
523 return $phpmailer->Send();
524 } catch ( phpmailerException $e ) {
530 if ( !function_exists('wp_authenticate') ) :
532 * Checks a user's login information and logs them in if it checks out.
536 * @param string $username User's username
537 * @param string $password User's password
538 * @return WP_User|WP_Error WP_User object if login successful, otherwise WP_Error object.
540 function wp_authenticate($username, $password) {
541 $username = sanitize_user($username);
542 $password = trim($password);
545 * Filter the user to authenticate.
547 * If a non-null value is passed, the filter will effectively short-circuit
548 * authentication, returning an error instead.
552 * @param null|WP_User $user User to authenticate.
553 * @param string $username User login.
554 * @param string $password User password
556 $user = apply_filters( 'authenticate', null, $username, $password );
558 if ( $user == null ) {
559 // TODO what should the error message be? (Or would these even happen?)
560 // Only needed if all authentication handlers fail to return anything.
561 $user = new WP_Error('authentication_failed', __('<strong>ERROR</strong>: Invalid username or incorrect password.'));
564 $ignore_codes = array('empty_username', 'empty_password');
566 if (is_wp_error($user) && !in_array($user->get_error_code(), $ignore_codes) ) {
568 * Fires after a user login has failed.
572 * @param string $username User login.
574 do_action( 'wp_login_failed', $username );
581 if ( !function_exists('wp_logout') ) :
583 * Log the current user out.
587 function wp_logout() {
588 wp_destroy_current_session();
589 wp_clear_auth_cookie();
592 * Fires after a user is logged-out.
596 do_action( 'wp_logout' );
600 if ( !function_exists('wp_validate_auth_cookie') ) :
602 * Validates authentication cookie.
604 * The checks include making sure that the authentication cookie is set and
605 * pulling in the contents (if $cookie is not used).
607 * Makes sure the cookie is not expired. Verifies the hash in cookie is what is
608 * should be and compares the two.
612 * @param string $cookie Optional. If used, will validate contents instead of cookie's
613 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
614 * @return bool|int False if invalid cookie, User ID if valid.
616 function wp_validate_auth_cookie($cookie = '', $scheme = '') {
617 if ( ! $cookie_elements = wp_parse_auth_cookie($cookie, $scheme) ) {
619 * Fires if an authentication cookie is malformed.
623 * @param string $cookie Malformed auth cookie.
624 * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth',
627 do_action( 'auth_cookie_malformed', $cookie, $scheme );
631 $scheme = $cookie_elements['scheme'];
632 $username = $cookie_elements['username'];
633 $hmac = $cookie_elements['hmac'];
634 $token = $cookie_elements['token'];
635 $expired = $expiration = $cookie_elements['expiration'];
637 // Allow a grace period for POST and AJAX requests
638 if ( defined('DOING_AJAX') || 'POST' == $_SERVER['REQUEST_METHOD'] ) {
639 $expired += HOUR_IN_SECONDS;
642 // Quick check to see if an honest cookie has expired
643 if ( $expired < time() ) {
645 * Fires once an authentication cookie has expired.
649 * @param array $cookie_elements An array of data for the authentication cookie.
651 do_action( 'auth_cookie_expired', $cookie_elements );
655 $user = get_user_by('login', $username);
658 * Fires if a bad username is entered in the user authentication process.
662 * @param array $cookie_elements An array of data for the authentication cookie.
664 do_action( 'auth_cookie_bad_username', $cookie_elements );
668 $pass_frag = substr($user->user_pass, 8, 4);
670 $key = wp_hash( $username . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
672 // If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
673 $algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
674 $hash = hash_hmac( $algo, $username . '|' . $expiration . '|' . $token, $key );
676 if ( ! hash_equals( $hash, $hmac ) ) {
678 * Fires if a bad authentication cookie hash is encountered.
682 * @param array $cookie_elements An array of data for the authentication cookie.
684 do_action( 'auth_cookie_bad_hash', $cookie_elements );
688 $manager = WP_Session_Tokens::get_instance( $user->ID );
689 if ( ! $manager->verify( $token ) ) {
690 do_action( 'auth_cookie_bad_session_token', $cookie_elements );
694 // AJAX/POST grace period set above
695 if ( $expiration < time() ) {
696 $GLOBALS['login_grace_period'] = 1;
700 * Fires once an authentication cookie has been validated.
704 * @param array $cookie_elements An array of data for the authentication cookie.
705 * @param WP_User $user User object.
707 do_action( 'auth_cookie_valid', $cookie_elements, $user );
713 if ( !function_exists('wp_generate_auth_cookie') ) :
715 * Generate authentication cookie contents.
719 * @param int $user_id User ID
720 * @param int $expiration Cookie expiration in seconds
721 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
722 * @param string $token User's session token to use for this cookie
723 * @return string Authentication cookie contents. Empty string if user does not exist.
725 function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) {
726 $user = get_userdata($user_id);
732 $manager = WP_Session_Tokens::get_instance( $user_id );
733 $token = $manager->create( $expiration );
736 $pass_frag = substr($user->user_pass, 8, 4);
738 $key = wp_hash( $user->user_login . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
740 // If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
741 $algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
742 $hash = hash_hmac( $algo, $user->user_login . '|' . $expiration . '|' . $token, $key );
744 $cookie = $user->user_login . '|' . $expiration . '|' . $token . '|' . $hash;
747 * Filter the authentication cookie.
751 * @param string $cookie Authentication cookie.
752 * @param int $user_id User ID.
753 * @param int $expiration Authentication cookie expiration in seconds.
754 * @param string $scheme Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'.
755 * @param string $token User's session token used.
757 return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token );
761 if ( !function_exists('wp_parse_auth_cookie') ) :
763 * Parse a cookie into its components
767 * @param string $cookie
768 * @param string $scheme Optional. The cookie scheme to use: auth, secure_auth, or logged_in
769 * @return array Authentication cookie components
771 function wp_parse_auth_cookie($cookie = '', $scheme = '') {
772 if ( empty($cookie) ) {
775 $cookie_name = AUTH_COOKIE;
778 $cookie_name = SECURE_AUTH_COOKIE;
781 $cookie_name = LOGGED_IN_COOKIE;
785 $cookie_name = SECURE_AUTH_COOKIE;
786 $scheme = 'secure_auth';
788 $cookie_name = AUTH_COOKIE;
793 if ( empty($_COOKIE[$cookie_name]) )
795 $cookie = $_COOKIE[$cookie_name];
798 $cookie_elements = explode('|', $cookie);
799 if ( count( $cookie_elements ) !== 4 ) {
803 list( $username, $expiration, $token, $hmac ) = $cookie_elements;
805 return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' );
809 if ( !function_exists('wp_set_auth_cookie') ) :
811 * Sets the authentication cookies based on user ID.
813 * The $remember parameter increases the time that the cookie will be kept. The
814 * default the cookie is kept without remembering is two days. When $remember is
815 * set, the cookies will be kept for 14 days or two weeks.
819 * @param int $user_id User ID
820 * @param bool $remember Whether to remember the user
821 * @param mixed $secure Whether the admin cookies should only be sent over HTTPS.
824 function wp_set_auth_cookie($user_id, $remember = false, $secure = '') {
827 * Filter the duration of the authentication cookie expiration period.
831 * @param int $length Duration of the expiration period in seconds.
832 * @param int $user_id User ID.
833 * @param bool $remember Whether to remember the user login. Default false.
835 $expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember );
838 * Ensure the browser will continue to send the cookie after the expiration time is reached.
839 * Needed for the login grace period in wp_validate_auth_cookie().
841 $expire = $expiration + ( 12 * HOUR_IN_SECONDS );
843 /** This filter is documented in wp-includes/pluggable.php */
844 $expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember );
848 if ( '' === $secure ) {
852 // Frontend cookie is secure when the auth cookie is secure and the site's home URL is forced HTTPS.
853 $secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME );
856 * Filter whether the connection is secure.
860 * @param bool $secure Whether the connection is secure.
861 * @param int $user_id User ID.
863 $secure = apply_filters( 'secure_auth_cookie', $secure, $user_id );
866 * Filter whether to use a secure cookie when logged-in.
870 * @param bool $secure_logged_in_cookie Whether to use a secure cookie when logged-in.
871 * @param int $user_id User ID.
872 * @param bool $secure Whether the connection is secure.
874 $secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure );
877 $auth_cookie_name = SECURE_AUTH_COOKIE;
878 $scheme = 'secure_auth';
880 $auth_cookie_name = AUTH_COOKIE;
884 $manager = WP_Session_Tokens::get_instance( $user_id );
885 $token = $manager->create( $expiration );
887 $auth_cookie = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token );
888 $logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token );
891 * Fires immediately before the authentication cookie is set.
895 * @param string $auth_cookie Authentication cookie.
896 * @param int $expire Login grace period in seconds. Default 43,200 seconds, or 12 hours.
897 * @param int $expiration Duration in seconds the authentication cookie should be valid.
898 * Default 1,209,600 seconds, or 14 days.
899 * @param int $user_id User ID.
900 * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth', or 'logged_in'.
902 do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme );
905 * Fires immediately before the secure authentication cookie is set.
909 * @param string $logged_in_cookie The logged-in cookie.
910 * @param int $expire Login grace period in seconds. Default 43,200 seconds, or 12 hours.
911 * @param int $expiration Duration in seconds the authentication cookie should be valid.
912 * Default 1,209,600 seconds, or 14 days.
913 * @param int $user_id User ID.
914 * @param string $scheme Authentication scheme. Default 'logged_in'.
916 do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in' );
918 setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
919 setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
920 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
921 if ( COOKIEPATH != SITECOOKIEPATH )
922 setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
926 if ( !function_exists('wp_clear_auth_cookie') ) :
928 * Removes all of the cookies associated with authentication.
932 function wp_clear_auth_cookie() {
934 * Fires just before the authentication cookies are cleared.
938 do_action( 'clear_auth_cookie' );
940 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
941 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
942 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
943 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
944 setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
945 setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
948 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
949 setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
950 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
951 setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
953 // Even older cookies
954 setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
955 setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
956 setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
957 setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
961 if ( !function_exists('is_user_logged_in') ) :
963 * Checks if the current visitor is a logged in user.
967 * @return bool True if user is logged in, false if not logged in.
969 function is_user_logged_in() {
970 $user = wp_get_current_user();
972 if ( ! $user->exists() )
979 if ( !function_exists('auth_redirect') ) :
981 * Checks if a user is logged in, if not it redirects them to the login page.
985 function auth_redirect() {
986 // Checks if a user is logged in, if not redirects them to the login page
988 $secure = ( is_ssl() || force_ssl_admin() );
991 * Filter whether to use a secure authentication redirect.
995 * @param bool $secure Whether to use a secure authentication redirect. Default false.
997 $secure = apply_filters( 'secure_auth_redirect', $secure );
999 // If https is required and request is http, redirect
1000 if ( $secure && !is_ssl() && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
1001 if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
1002 wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
1005 wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
1010 if ( is_user_admin() ) {
1011 $scheme = 'logged_in';
1014 * Filter the authentication redirect scheme.
1018 * @param string $scheme Authentication redirect scheme. Default empty.
1020 $scheme = apply_filters( 'auth_redirect_scheme', '' );
1023 if ( $user_id = wp_validate_auth_cookie( '', $scheme) ) {
1025 * Fires before the authentication redirect.
1029 * @param int $user_id User ID.
1031 do_action( 'auth_redirect', $user_id );
1033 // If the user wants ssl but the session is not ssl, redirect.
1034 if ( !$secure && get_user_option('use_ssl', $user_id) && false !== strpos($_SERVER['REQUEST_URI'], 'wp-admin') ) {
1035 if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
1036 wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
1039 wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
1044 return; // The cookie is good so we're done
1047 // The cookie is no good so force login
1050 $redirect = ( strpos( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) ? wp_get_referer() : set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
1052 $login_url = wp_login_url($redirect, true);
1054 wp_redirect($login_url);
1059 if ( !function_exists('check_admin_referer') ) :
1061 * Makes sure that a user was referred from another admin page.
1063 * To avoid security exploits.
1067 * @param int|string $action Action nonce
1068 * @param string $query_arg Where to look for nonce in $_REQUEST (since 2.5)
1070 function check_admin_referer($action = -1, $query_arg = '_wpnonce') {
1071 if ( -1 == $action )
1072 _doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2' );
1074 $adminurl = strtolower(admin_url());
1075 $referer = strtolower(wp_get_referer());
1076 $result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false;
1077 if ( !$result && !(-1 == $action && strpos($referer, $adminurl) === 0) ) {
1078 wp_nonce_ays($action);
1083 * Fires once the admin request has been validated or not.
1087 * @param string $action The nonce action.
1088 * @param bool $result Whether the admin request nonce was validated.
1090 do_action( 'check_admin_referer', $action, $result );
1095 if ( !function_exists('check_ajax_referer') ) :
1097 * Verifies the AJAX request to prevent processing requests external of the blog.
1101 * @param int|string $action Action nonce
1102 * @param string $query_arg Where to look for nonce in $_REQUEST (since 2.5)
1104 function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
1107 if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) )
1108 $nonce = $_REQUEST[ $query_arg ];
1109 elseif ( isset( $_REQUEST['_ajax_nonce'] ) )
1110 $nonce = $_REQUEST['_ajax_nonce'];
1111 elseif ( isset( $_REQUEST['_wpnonce'] ) )
1112 $nonce = $_REQUEST['_wpnonce'];
1114 $result = wp_verify_nonce( $nonce, $action );
1116 if ( $die && false == $result ) {
1117 if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
1124 * Fires once the AJAX request has been validated or not.
1128 * @param string $action The AJAX nonce action.
1129 * @param bool $result Whether the AJAX request nonce was validated.
1131 do_action( 'check_ajax_referer', $action, $result );
1137 if ( !function_exists('wp_redirect') ) :
1139 * Redirects to another page.
1143 * @param string $location The path to redirect to.
1144 * @param int $status Status code to use.
1145 * @return bool False if $location is not provided, true otherwise.
1147 function wp_redirect($location, $status = 302) {
1151 * Filter the redirect location.
1155 * @param string $location The path to redirect to.
1156 * @param int $status Status code to use.
1158 $location = apply_filters( 'wp_redirect', $location, $status );
1161 * Filter the redirect status code.
1165 * @param int $status Status code to use.
1166 * @param string $location The path to redirect to.
1168 $status = apply_filters( 'wp_redirect_status', $status, $location );
1173 $location = wp_sanitize_redirect($location);
1175 if ( !$is_IIS && php_sapi_name() != 'cgi-fcgi' )
1176 status_header($status); // This causes problems on IIS and some FastCGI setups
1178 header("Location: $location", true, $status);
1184 if ( !function_exists('wp_sanitize_redirect') ) :
1186 * Sanitizes a URL for use in a redirect.
1190 * @return string redirect-sanitized URL
1192 function wp_sanitize_redirect($location) {
1193 $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()]|i', '', $location);
1194 $location = wp_kses_no_null($location);
1196 // remove %0d and %0a from location
1197 $strip = array('%0d', '%0a', '%0D', '%0A');
1198 $location = _deep_replace($strip, $location);
1203 if ( !function_exists('wp_safe_redirect') ) :
1205 * Performs a safe (local) redirect, using wp_redirect().
1207 * Checks whether the $location is using an allowed host, if it has an absolute
1208 * path. A plugin can therefore set or remove allowed host(s) to or from the
1211 * If the host is not allowed, then the redirect is to wp-admin on the siteurl
1212 * instead. This prevents malicious redirects which redirect to another host,
1213 * but only used in a few places.
1217 * @return void Does not return anything
1219 function wp_safe_redirect($location, $status = 302) {
1221 // Need to look at the URL the way it will end up in wp_redirect()
1222 $location = wp_sanitize_redirect($location);
1224 $location = wp_validate_redirect($location, admin_url());
1226 wp_redirect($location, $status);
1230 if ( !function_exists('wp_validate_redirect') ) :
1232 * Validates a URL for use in a redirect.
1234 * Checks whether the $location is using an allowed host, if it has an absolute
1235 * path. A plugin can therefore set or remove allowed host(s) to or from the
1238 * If the host is not allowed, then the redirect is to $default supplied
1242 * @param string $location The redirect to validate
1243 * @param string $default The value to return if $location is not allowed
1244 * @return string redirect-sanitized URL
1246 function wp_validate_redirect($location, $default = '') {
1247 $location = trim( $location );
1248 // browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'
1249 if ( substr($location, 0, 2) == '//' )
1250 $location = 'http:' . $location;
1252 // In php 5 parse_url may fail if the URL query part contains http://, bug #38143
1253 $test = ( $cut = strpos($location, '?') ) ? substr( $location, 0, $cut ) : $location;
1255 $lp = parse_url($test);
1257 // Give up if malformed URL
1258 if ( false === $lp )
1261 // Allow only http and https schemes. No data:, etc.
1262 if ( isset($lp['scheme']) && !('http' == $lp['scheme'] || 'https' == $lp['scheme']) )
1265 // Reject if scheme is set but host is not. This catches urls like https:host.com for which parse_url does not set the host field.
1266 if ( isset($lp['scheme']) && !isset($lp['host']) )
1269 $wpp = parse_url(home_url());
1272 * Filter the whitelist of hosts to redirect to.
1276 * @param array $hosts An array of allowed hosts.
1277 * @param bool|string $host The parsed host; empty if not isset.
1279 $allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : '' );
1281 if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) )
1282 $location = $default;
1288 if ( ! function_exists('wp_notify_postauthor') ) :
1290 * Notify an author (and/or others) of a comment/trackback/pingback on a post.
1294 * @param int $comment_id Comment ID
1295 * @param string $deprecated Not used
1296 * @return bool True on completion. False if no email addresses were specified.
1298 function wp_notify_postauthor( $comment_id, $deprecated = null ) {
1299 if ( null !== $deprecated ) {
1300 _deprecated_argument( __FUNCTION__, '3.8' );
1303 $comment = get_comment( $comment_id );
1304 if ( empty( $comment ) )
1307 $post = get_post( $comment->comment_post_ID );
1308 $author = get_userdata( $post->post_author );
1310 // Who to notify? By default, just the post author, but others can be added.
1313 $emails[] = $author->user_email;
1317 * Filter the list of email addresses to receive a comment notification.
1319 * By default, only post authors are notified of comments. This filter allows
1320 * others to be added.
1324 * @param array $emails An array of email addresses to receive a comment notification.
1325 * @param int $comment_id The comment ID.
1327 $emails = apply_filters( 'comment_notification_recipients', $emails, $comment_id );
1328 $emails = array_filter( $emails );
1330 // If there are no addresses to send the comment to, bail.
1331 if ( ! count( $emails ) ) {
1335 // Facilitate unsetting below without knowing the keys.
1336 $emails = array_flip( $emails );
1339 * Filter whether to notify comment authors of their comments on their own posts.
1341 * By default, comment authors aren't notified of their comments on their own
1342 * posts. This filter allows you to override that.
1346 * @param bool $notify Whether to notify the post author of their own comment.
1348 * @param int $comment_id The comment ID.
1350 $notify_author = apply_filters( 'comment_notification_notify_author', false, $comment_id );
1352 // The comment was left by the author
1353 if ( $author && ! $notify_author && $comment->user_id == $post->post_author ) {
1354 unset( $emails[ $author->user_email ] );
1357 // The author moderated a comment on their own post
1358 if ( $author && ! $notify_author && $post->post_author == get_current_user_id() ) {
1359 unset( $emails[ $author->user_email ] );
1362 // The post author is no longer a member of the blog
1363 if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) {
1364 unset( $emails[ $author->user_email ] );
1367 // If there's no email to send the comment to, bail, otherwise flip array back around for use below
1368 if ( ! count( $emails ) ) {
1371 $emails = array_flip( $emails );
1374 $comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
1376 // The blogname option is escaped with esc_html on the way into the database in sanitize_option
1377 // we want to reverse this for the plain text arena of emails.
1378 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
1380 switch ( $comment->comment_type ) {
1382 $notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n";
1383 /* translators: 1: website name, 2: author IP, 3: author domain */
1384 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
1385 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
1386 $notify_message .= sprintf( __( 'Comment: %s' ), $comment->comment_content ) . "\r\n\r\n";
1387 $notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n";
1388 /* translators: 1: blog name, 2: post title */
1389 $subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title );
1392 $notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n";
1393 /* translators: 1: comment author, 2: author IP, 3: author domain */
1394 $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
1395 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
1396 $notify_message .= sprintf( __( 'Comment: %s' ), $comment->comment_content ) . "\r\n\r\n";
1397 $notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n";
1398 /* translators: 1: blog name, 2: post title */
1399 $subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
1401 default: // Comments
1402 $notify_message = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n";
1403 /* translators: 1: comment author, 2: author IP, 3: author domain */
1404 $notify_message .= sprintf( __( 'Author: %1$s (IP: %2$s , %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
1405 $notify_message .= sprintf( __( 'E-mail: %s' ), $comment->comment_author_email ) . "\r\n";
1406 $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
1407 $notify_message .= sprintf( __( 'Whois: %s' ), "http://whois.arin.net/rest/ip/{$comment->comment_author_IP}" ) . "\r\n";
1408 $notify_message .= sprintf( __('Comment: %s' ), $comment->comment_content ) . "\r\n\r\n";
1409 $notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n";
1410 /* translators: 1: blog name, 2: post title */
1411 $subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title );
1414 $notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
1415 $notify_message .= sprintf( __('Permalink: %s'), get_comment_link( $comment_id ) ) . "\r\n";
1417 if ( user_can( $post->post_author, 'edit_comment', $comment_id ) ) {
1418 if ( EMPTY_TRASH_DAYS )
1419 $notify_message .= sprintf( __('Trash it: %s'), admin_url("comment.php?action=trash&c=$comment_id") ) . "\r\n";
1421 $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=delete&c=$comment_id") ) . "\r\n";
1422 $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=spam&c=$comment_id") ) . "\r\n";
1425 $wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME']));
1427 if ( '' == $comment->comment_author ) {
1428 $from = "From: \"$blogname\" <$wp_email>";
1429 if ( '' != $comment->comment_author_email )
1430 $reply_to = "Reply-To: $comment->comment_author_email";
1432 $from = "From: \"$comment->comment_author\" <$wp_email>";
1433 if ( '' != $comment->comment_author_email )
1434 $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
1437 $message_headers = "$from\n"
1438 . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n";
1440 if ( isset($reply_to) )
1441 $message_headers .= $reply_to . "\n";
1444 * Filter the comment notification email text.
1448 * @param string $notify_message The comment notification email text.
1449 * @param int $comment_id Comment ID.
1451 $notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment_id );
1454 * Filter the comment notification email subject.
1458 * @param string $subject The comment notification email subject.
1459 * @param int $comment_id Comment ID.
1461 $subject = apply_filters( 'comment_notification_subject', $subject, $comment_id );
1464 * Filter the comment notification email headers.
1468 * @param string $message_headers Headers for the comment notification email.
1469 * @param int $comment_id Comment ID.
1471 $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment_id );
1473 foreach ( $emails as $email ) {
1474 @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
1481 if ( !function_exists('wp_notify_moderator') ) :
1483 * Notifies the moderator of the blog about a new comment that is awaiting approval.
1487 * @global wpdb $wpdb WordPress database abstraction object.
1489 * @param int $comment_id Comment ID
1490 * @return bool Always returns true
1492 function wp_notify_moderator($comment_id) {
1495 if ( 0 == get_option( 'moderation_notify' ) )
1498 $comment = get_comment($comment_id);
1499 $post = get_post($comment->comment_post_ID);
1500 $user = get_userdata( $post->post_author );
1501 // Send to the administration and to the post author if the author can modify the comment.
1502 $emails = array( get_option( 'admin_email' ) );
1503 if ( user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) {
1504 if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) )
1505 $emails[] = $user->user_email;
1508 $comment_author_domain = @gethostbyaddr($comment->comment_author_IP);
1509 $comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
1511 // The blogname option is escaped with esc_html on the way into the database in sanitize_option
1512 // we want to reverse this for the plain text arena of emails.
1513 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
1515 switch ( $comment->comment_type ) {
1517 $notify_message = sprintf( __('A new trackback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
1518 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
1519 $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
1520 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
1521 $notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
1524 $notify_message = sprintf( __('A new pingback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
1525 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
1526 $notify_message .= sprintf( __('Website : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
1527 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
1528 $notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
1530 default: // Comments
1531 $notify_message = sprintf( __('A new comment on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n";
1532 $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
1533 $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
1534 $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
1535 $notify_message .= sprintf( __('URL : %s'), $comment->comment_author_url ) . "\r\n";
1536 $notify_message .= sprintf( __('Whois : http://whois.arin.net/rest/ip/%s'), $comment->comment_author_IP ) . "\r\n";
1537 $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
1541 $notify_message .= sprintf( __('Approve it: %s'), admin_url("comment.php?action=approve&c=$comment_id") ) . "\r\n";
1542 if ( EMPTY_TRASH_DAYS )
1543 $notify_message .= sprintf( __('Trash it: %s'), admin_url("comment.php?action=trash&c=$comment_id") ) . "\r\n";
1545 $notify_message .= sprintf( __('Delete it: %s'), admin_url("comment.php?action=delete&c=$comment_id") ) . "\r\n";
1546 $notify_message .= sprintf( __('Spam it: %s'), admin_url("comment.php?action=spam&c=$comment_id") ) . "\r\n";
1548 $notify_message .= sprintf( _n('Currently %s comment is waiting for approval. Please visit the moderation panel:',
1549 'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting), number_format_i18n($comments_waiting) ) . "\r\n";
1550 $notify_message .= admin_url("edit-comments.php?comment_status=moderated") . "\r\n";
1552 $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), $blogname, $post->post_title );
1553 $message_headers = '';
1556 * Filter the list of recipients for comment moderation emails.
1560 * @param array $emails List of email addresses to notify for comment moderation.
1561 * @param int $comment_id Comment ID.
1563 $emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id );
1566 * Filter the comment moderation email text.
1570 * @param string $notify_message Text of the comment moderation email.
1571 * @param int $comment_id Comment ID.
1573 $notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id );
1576 * Filter the comment moderation email subject.
1580 * @param string $subject Subject of the comment moderation email.
1581 * @param int $comment_id Comment ID.
1583 $subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id );
1586 * Filter the comment moderation email headers.
1590 * @param string $message_headers Headers for the comment moderation email.
1591 * @param int $comment_id Comment ID.
1593 $message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id );
1595 foreach ( $emails as $email ) {
1596 @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
1603 if ( !function_exists('wp_password_change_notification') ) :
1605 * Notify the blog admin of a user changing password, normally via email.
1609 * @param object $user User Object
1611 function wp_password_change_notification(&$user) {
1612 // send a copy of password change notification to the admin
1613 // but check to see if it's the admin whose password we're changing, and skip this
1614 if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
1615 $message = sprintf(__('Password Lost and Changed for user: %s'), $user->user_login) . "\r\n";
1616 // The blogname option is escaped with esc_html on the way into the database in sanitize_option
1617 // we want to reverse this for the plain text arena of emails.
1618 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
1619 wp_mail(get_option('admin_email'), sprintf(__('[%s] Password Lost/Changed'), $blogname), $message);
1624 if ( !function_exists('wp_new_user_notification') ) :
1626 * Email login credentials to a newly-registered user.
1628 * A new user registration notification is also sent to admin email.
1632 * @param int $user_id User ID.
1633 * @param string $plaintext_pass Optional. The user's plaintext password. Default empty.
1635 function wp_new_user_notification($user_id, $plaintext_pass = '') {
1636 $user = get_userdata( $user_id );
1638 // The blogname option is escaped with esc_html on the way into the database in sanitize_option
1639 // we want to reverse this for the plain text arena of emails.
1640 $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
1642 $message = sprintf(__('New user registration on your site %s:'), $blogname) . "\r\n\r\n";
1643 $message .= sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n";
1644 $message .= sprintf(__('E-mail: %s'), $user->user_email) . "\r\n";
1646 @wp_mail(get_option('admin_email'), sprintf(__('[%s] New User Registration'), $blogname), $message);
1648 if ( empty($plaintext_pass) )
1651 $message = sprintf(__('Username: %s'), $user->user_login) . "\r\n";
1652 $message .= sprintf(__('Password: %s'), $plaintext_pass) . "\r\n";
1653 $message .= wp_login_url() . "\r\n";
1655 wp_mail($user->user_email, sprintf(__('[%s] Your username and password'), $blogname), $message);
1660 if ( !function_exists('wp_nonce_tick') ) :
1662 * Get the time-dependent variable for nonce creation.
1664 * A nonce has a lifespan of two ticks. Nonces in their second tick may be
1665 * updated, e.g. by autosave.
1669 * @return float Float value rounded up to the next highest integer.
1671 function wp_nonce_tick() {
1673 * Filter the lifespan of nonces in seconds.
1677 * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day.
1679 $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS );
1681 return ceil(time() / ( $nonce_life / 2 ));
1685 if ( !function_exists('wp_verify_nonce') ) :
1687 * Verify that correct nonce was used with time limit.
1689 * The user is given an amount of time to use the token, so therefore, since the
1690 * UID and $action remain the same, the independent variable is the time.
1694 * @param string $nonce Nonce that was used in the form to verify
1695 * @param string|int $action Should give context to what is taking place and be the same when nonce was created.
1696 * @return bool Whether the nonce check passed or failed.
1698 function wp_verify_nonce( $nonce, $action = -1 ) {
1699 $nonce = (string) $nonce;
1700 $user = wp_get_current_user();
1701 $uid = (int) $user->ID;
1704 * Filter whether the user who generated the nonce is logged out.
1708 * @param int $uid ID of the nonce-owning user.
1709 * @param string $action The nonce action.
1711 $uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
1714 if ( empty( $nonce ) ) {
1718 $token = wp_get_session_token();
1719 $i = wp_nonce_tick();
1721 // Nonce generated 0-12 hours ago
1722 $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce'), -12, 10 );
1723 if ( hash_equals( $expected, $nonce ) ) {
1727 // Nonce generated 12-24 hours ago
1728 $expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
1729 if ( hash_equals( $expected, $nonce ) ) {
1738 if ( !function_exists('wp_create_nonce') ) :
1740 * Creates a cryptographic token tied to a specific action, user, and window of time.
1744 * @param string|int $action Scalar value to add context to the nonce.
1745 * @return string The token.
1747 function wp_create_nonce($action = -1) {
1748 $user = wp_get_current_user();
1749 $uid = (int) $user->ID;
1751 /** This filter is documented in wp-includes/pluggable.php */
1752 $uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
1755 $token = wp_get_session_token();
1756 $i = wp_nonce_tick();
1758 return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
1762 if ( !function_exists('wp_salt') ) :
1764 * Get salt to add to hashes.
1766 * Salts are created using secret keys. Secret keys are located in two places:
1767 * in the database and in the wp-config.php file. The secret key in the database
1768 * is randomly generated and will be appended to the secret keys in wp-config.php.
1770 * The secret keys in wp-config.php should be updated to strong, random keys to maximize
1771 * security. Below is an example of how the secret key constants are defined.
1772 * Do not paste this example directly into wp-config.php. Instead, have a
1773 * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just
1776 * define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON');
1777 * define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~');
1778 * define('LOGGED_IN_KEY', '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM');
1779 * define('NONCE_KEY', '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|');
1780 * define('AUTH_SALT', 'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW');
1781 * define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n');
1782 * define('LOGGED_IN_SALT', '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm');
1783 * define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT');
1785 * Salting passwords helps against tools which has stored hashed values of
1786 * common dictionary strings. The added values makes it harder to crack.
1790 * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php
1792 * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce)
1793 * @return string Salt value
1795 function wp_salt( $scheme = 'auth' ) {
1796 static $cached_salts = array();
1797 if ( isset( $cached_salts[ $scheme ] ) ) {
1799 * Filter the WordPress salt.
1803 * @param string $cached_salt Cached salt for the given scheme.
1804 * @param string $scheme Authentication scheme. Values include 'auth',
1805 * 'secure_auth', 'logged_in', and 'nonce'.
1807 return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
1810 static $duplicated_keys;
1811 if ( null === $duplicated_keys ) {
1812 $duplicated_keys = array( 'put your unique phrase here' => true );
1813 foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) {
1814 foreach ( array( 'KEY', 'SALT' ) as $second ) {
1815 if ( ! defined( "{$first}_{$second}" ) ) {
1818 $value = constant( "{$first}_{$second}" );
1819 $duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] );
1828 if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) {
1829 $values['key'] = SECRET_KEY;
1831 if ( 'auth' == $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) {
1832 $values['salt'] = SECRET_SALT;
1835 if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) ) ) {
1836 foreach ( array( 'key', 'salt' ) as $type ) {
1837 $const = strtoupper( "{$scheme}_{$type}" );
1838 if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) {
1839 $values[ $type ] = constant( $const );
1840 } elseif ( ! $values[ $type ] ) {
1841 $values[ $type ] = get_site_option( "{$scheme}_{$type}" );
1842 if ( ! $values[ $type ] ) {
1843 $values[ $type ] = wp_generate_password( 64, true, true );
1844 update_site_option( "{$scheme}_{$type}", $values[ $type ] );
1849 if ( ! $values['key'] ) {
1850 $values['key'] = get_site_option( 'secret_key' );
1851 if ( ! $values['key'] ) {
1852 $values['key'] = wp_generate_password( 64, true, true );
1853 update_site_option( 'secret_key', $values['key'] );
1856 $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] );
1859 $cached_salts[ $scheme ] = $values['key'] . $values['salt'];
1861 /** This filter is documented in wp-includes/pluggable.php */
1862 return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
1866 if ( !function_exists('wp_hash') ) :
1868 * Get hash of given string.
1872 * @param string $data Plain text to hash
1873 * @return string Hash of $data
1875 function wp_hash($data, $scheme = 'auth') {
1876 $salt = wp_salt($scheme);
1878 return hash_hmac('md5', $data, $salt);
1882 if ( !function_exists('wp_hash_password') ) :
1884 * Create a hash (encrypt) of a plain text password.
1886 * For integration with other applications, this function can be overwritten to
1887 * instead use the other package password checking algorithm.
1891 * @global object $wp_hasher PHPass object
1892 * @uses PasswordHash::HashPassword
1894 * @param string $password Plain text user password to hash
1895 * @return string The hash string of the password
1897 function wp_hash_password($password) {
1900 if ( empty($wp_hasher) ) {
1901 require_once( ABSPATH . WPINC . '/class-phpass.php');
1902 // By default, use the portable hash from phpass
1903 $wp_hasher = new PasswordHash(8, true);
1906 return $wp_hasher->HashPassword( trim( $password ) );
1910 if ( !function_exists('wp_check_password') ) :
1912 * Checks the plaintext password against the encrypted Password.
1914 * Maintains compatibility between old version and the new cookie authentication
1915 * protocol using PHPass library. The $hash parameter is the encrypted password
1916 * and the function compares the plain text password when encrypted similarly
1917 * against the already encrypted password to see if they match.
1919 * For integration with other applications, this function can be overwritten to
1920 * instead use the other package password checking algorithm.
1924 * @global object $wp_hasher PHPass object used for checking the password
1925 * against the $hash + $password
1926 * @uses PasswordHash::CheckPassword
1928 * @param string $password Plaintext user's password
1929 * @param string $hash Hash of the user's password to check against.
1930 * @return bool False, if the $password does not match the hashed password
1932 function wp_check_password($password, $hash, $user_id = '') {
1935 // If the hash is still md5...
1936 if ( strlen($hash) <= 32 ) {
1937 $check = hash_equals( $hash, md5( $password ) );
1938 if ( $check && $user_id ) {
1939 // Rehash using new hash.
1940 wp_set_password($password, $user_id);
1941 $hash = wp_hash_password($password);
1945 * Filter whether the plaintext password matches the encrypted password.
1949 * @param bool $check Whether the passwords match.
1950 * @param string $password The plaintext password.
1951 * @param string $hash The hashed password.
1952 * @param int $user_id User ID.
1954 return apply_filters( 'check_password', $check, $password, $hash, $user_id );
1957 // If the stored hash is longer than an MD5, presume the
1958 // new style phpass portable hash.
1959 if ( empty($wp_hasher) ) {
1960 require_once( ABSPATH . WPINC . '/class-phpass.php');
1961 // By default, use the portable hash from phpass
1962 $wp_hasher = new PasswordHash(8, true);
1965 $check = $wp_hasher->CheckPassword($password, $hash);
1967 /** This filter is documented in wp-includes/pluggable.php */
1968 return apply_filters( 'check_password', $check, $password, $hash, $user_id );
1972 if ( !function_exists('wp_generate_password') ) :
1974 * Generates a random password drawn from the defined set of characters.
1978 * @param int $length Optional. The length of password to generate. Default 12.
1979 * @param bool $special_chars Optional. Whether to include standard special characters.
1981 * @param bool $extra_special_chars Optional. Whether to include other special characters.
1982 * Used when generating secret keys and salts. Default false.
1983 * @return string The random password.
1985 function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) {
1986 $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
1987 if ( $special_chars )
1988 $chars .= '!@#$%^&*()';
1989 if ( $extra_special_chars )
1990 $chars .= '-_ []{}<>~`+=,.;:/?|';
1993 for ( $i = 0; $i < $length; $i++ ) {
1994 $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1);
1998 * Filter the randomly-generated password.
2002 * @param string $password The generated password.
2004 return apply_filters( 'random_password', $password );
2008 if ( !function_exists('wp_rand') ) :
2010 * Generates a random number
2014 * @param int $min Lower limit for the generated number
2015 * @param int $max Upper limit for the generated number
2016 * @return int A random number between min and max
2018 function wp_rand( $min = 0, $max = 0 ) {
2021 // Reset $rnd_value after 14 uses
2022 // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value
2023 if ( strlen($rnd_value) < 8 ) {
2024 if ( defined( 'WP_SETUP_CONFIG' ) )
2027 $seed = get_transient('random_seed');
2028 $rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed );
2029 $rnd_value .= sha1($rnd_value);
2030 $rnd_value .= sha1($rnd_value . $seed);
2031 $seed = md5($seed . $rnd_value);
2032 if ( ! defined( 'WP_SETUP_CONFIG' ) )
2033 set_transient('random_seed', $seed);
2036 // Take the first 8 digits for our value
2037 $value = substr($rnd_value, 0, 8);
2039 // Strip the first eight, leaving the remainder for the next call to wp_rand().
2040 $rnd_value = substr($rnd_value, 8);
2042 $value = abs(hexdec($value));
2044 // Some misconfigured 32bit environments (Entropy PHP, for example) truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
2045 $max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff
2047 // Reduce the value to be within the min - max range
2049 $value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );
2051 return abs(intval($value));
2055 if ( !function_exists('wp_set_password') ) :
2057 * Updates the user's password with a new encrypted one.
2059 * For integration with other applications, this function can be overwritten to
2060 * instead use the other package password checking algorithm.
2062 * Please note: This function should be used sparingly and is really only meant for single-time
2063 * application. Leveraging this improperly in a plugin or theme could result in an endless loop
2064 * of password resets if precautions are not taken to ensure it does not execute on every page load.
2068 * @global wpdb $wpdb WordPress database abstraction object.
2070 * @param string $password The plaintext new user password
2071 * @param int $user_id User ID
2073 function wp_set_password( $password, $user_id ) {
2076 $hash = wp_hash_password( $password );
2077 $wpdb->update($wpdb->users, array('user_pass' => $hash, 'user_activation_key' => ''), array('ID' => $user_id) );
2079 wp_cache_delete($user_id, 'users');
2083 if ( !function_exists( 'get_avatar' ) ) :
2085 * Retrieve the avatar for a user who provided a user ID or email address.
2089 * @param int|string|object $id_or_email A user ID, email address, or comment object
2090 * @param int $size Size of the avatar image
2091 * @param string $default URL to a default image to use if no avatar is available
2092 * @param string $alt Alternative text to use in image tag. Defaults to blank
2093 * @return false|string `<img>` tag for the user's avatar.
2095 function get_avatar( $id_or_email, $size = '96', $default = '', $alt = false ) {
2096 if ( ! get_option('show_avatars') )
2099 if ( false === $alt)
2102 $safe_alt = esc_attr( $alt );
2104 if ( !is_numeric($size) )
2108 if ( is_numeric($id_or_email) ) {
2109 $id = (int) $id_or_email;
2110 $user = get_userdata($id);
2112 $email = $user->user_email;
2113 } elseif ( is_object($id_or_email) ) {
2114 // No avatar for pingbacks or trackbacks
2117 * Filter the list of allowed comment types for retrieving avatars.
2121 * @param array $types An array of content types. Default only contains 'comment'.
2123 $allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
2124 if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) )
2127 if ( ! empty( $id_or_email->user_id ) ) {
2128 $id = (int) $id_or_email->user_id;
2129 $user = get_userdata($id);
2131 $email = $user->user_email;
2134 if ( ! $email && ! empty( $id_or_email->comment_author_email ) )
2135 $email = $id_or_email->comment_author_email;
2137 $email = $id_or_email;
2140 if ( empty($default) ) {
2141 $avatar_default = get_option('avatar_default');
2142 if ( empty($avatar_default) )
2143 $default = 'mystery';
2145 $default = $avatar_default;
2148 if ( !empty($email) )
2149 $email_hash = md5( strtolower( trim( $email ) ) );
2152 $host = 'https://secure.gravatar.com';
2154 if ( !empty($email) )
2155 $host = sprintf( "http://%d.gravatar.com", ( hexdec( $email_hash[0] ) % 2 ) );
2157 $host = 'http://0.gravatar.com';
2160 if ( 'mystery' == $default )
2161 $default = "$host/avatar/ad516503a11cd5ca435acc9bb6523536?s={$size}"; // ad516503a11cd5ca435acc9bb6523536 == md5('unknown@gravatar.com')
2162 elseif ( 'blank' == $default )
2163 $default = $email ? 'blank' : includes_url( 'images/blank.gif' );
2164 elseif ( !empty($email) && 'gravatar_default' == $default )
2166 elseif ( 'gravatar_default' == $default )
2167 $default = "$host/avatar/?s={$size}";
2168 elseif ( empty($email) )
2169 $default = "$host/avatar/?d=$default&s={$size}";
2170 elseif ( strpos($default, 'http://') === 0 )
2171 $default = add_query_arg( 's', $size, $default );
2173 if ( !empty($email) ) {
2174 $out = "$host/avatar/";
2175 $out .= $email_hash;
2176 $out .= '?s='.$size;
2177 $out .= '&d=' . urlencode( $default );
2179 $rating = get_option('avatar_rating');
2180 if ( !empty( $rating ) )
2181 $out .= "&r={$rating}";
2183 $out = str_replace( '&', '&', esc_url( $out ) );
2184 $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />";
2186 $out = esc_url( $default );
2187 $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />";
2191 * Filter the avatar to retrieve.
2195 * @param string $avatar Image tag for the user's avatar.
2196 * @param int|object|string $id_or_email A user ID, email address, or comment object.
2197 * @param int $size Square avatar width and height in pixels to retrieve.
2198 * @param string $alt Alternative text to use in the avatar image tag.
2201 return apply_filters( 'get_avatar', $avatar, $id_or_email, $size, $default, $alt );
2205 if ( !function_exists( 'wp_text_diff' ) ) :
2207 * Displays a human readable HTML representation of the difference between two strings.
2209 * The Diff is available for getting the changes between versions. The output is
2210 * HTML, so the primary use is for displaying the changes. If the two strings
2211 * are equivalent, then an empty string will be returned.
2213 * The arguments supported and can be changed are listed below.
2215 * 'title' : Default is an empty string. Titles the diff in a manner compatible
2217 * 'title_left' : Default is an empty string. Change the HTML to the left of the
2219 * 'title_right' : Default is an empty string. Change the HTML to the right of
2224 * @see wp_parse_args() Used to change defaults to user defined settings.
2226 * @uses WP_Text_Diff_Renderer_Table
2228 * @param string $left_string "old" (left) version of string
2229 * @param string $right_string "new" (right) version of string
2230 * @param string|array $args Optional. Change 'title', 'title_left', and 'title_right' defaults.
2231 * @return string Empty string if strings are equivalent or HTML with differences.
2233 function wp_text_diff( $left_string, $right_string, $args = null ) {
2234 $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' );
2235 $args = wp_parse_args( $args, $defaults );
2237 if ( !class_exists( 'WP_Text_Diff_Renderer_Table' ) )
2238 require( ABSPATH . WPINC . '/wp-diff.php' );
2240 $left_string = normalize_whitespace($left_string);
2241 $right_string = normalize_whitespace($right_string);
2243 $left_lines = explode("\n", $left_string);
2244 $right_lines = explode("\n", $right_string);
2245 $text_diff = new Text_Diff($left_lines, $right_lines);
2246 $renderer = new WP_Text_Diff_Renderer_Table( $args );
2247 $diff = $renderer->render($text_diff);
2252 $r = "<table class='diff'>\n";
2254 if ( ! empty( $args[ 'show_split_view' ] ) ) {
2255 $r .= "<col class='content diffsplit left' /><col class='content diffsplit middle' /><col class='content diffsplit right' />";
2257 $r .= "<col class='content' />";
2260 if ( $args['title'] || $args['title_left'] || $args['title_right'] )
2262 if ( $args['title'] )
2263 $r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n";
2264 if ( $args['title_left'] || $args['title_right'] ) {
2265 $r .= "<tr class='diff-sub-title'>\n";
2266 $r .= "\t<td></td><th>$args[title_left]</th>\n";
2267 $r .= "\t<td></td><th>$args[title_right]</th>\n";
2270 if ( $args['title'] || $args['title_left'] || $args['title_right'] )
2273 $r .= "<tbody>\n$diff\n</tbody>\n";