( $action = -1, $query_arg = '_wpnonce' ) { if ( -1 == $action ) _doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '3.2.0' ); $adminurl = strtolower(admin_url()); $referer = strtolower(wp_get_referer()); $result = isset($_REQUEST[$query_arg]) ? wp_verify_nonce($_REQUEST[$query_arg], $action) : false; /** * Fires once the admin request has been validated or not. * * @since 1.5.1 * * @param string $action The nonce action. * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. */ do_action( 'check_admin_referer', $action, $result ); if ( ! $result && ! ( -1 == $action && strpos( $referer, $adminurl ) === 0 ) ) { wp_nonce_ays( $action ); die(); } return $result; } endif; if ( !function_exists('check_ajax_referer') ) : /** * Verifies the Ajax request to prevent processing requests external of the blog. * * @since 2.0.3 * * @param int|string $action Action nonce. * @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false, * `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce' * (in that order). Default false. * @param bool $die Optional. Whether to die early when the nonce cannot be verified. * Default true. * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. */ function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) { if ( -1 == $action ) { _doing_it_wrong( __FUNCTION__, __( 'You should specify a nonce action to be verified by using the first parameter.' ), '4.7' ); } $nonce = ''; if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) ) $nonce = $_REQUEST[ $query_arg ]; elseif ( isset( $_REQUEST['_ajax_nonce'] ) ) $nonce = $_REQUEST['_ajax_nonce']; elseif ( isset( $_REQUEST['_wpnonce'] ) ) $nonce = $_REQUEST['_wpnonce']; $result = wp_verify_nonce( $nonce, $action ); /** * Fires once the Ajax request has been validated or not. * * @since 2.1.0 * * @param string $action The Ajax nonce action. * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. */ do_action( 'check_ajax_referer', $action, $result ); if ( $die && false === $result ) { if ( wp_doing_ajax() ) { wp_die( -1, 403 ); } else { die( '-1' ); } } return $result; } endif; if ( !function_exists('wp_redirect') ) : /** * Redirects to another page. * * Note: wp_redirect() does not exit automatically, and should almost always be * followed by a call to `exit;`: * * wp_redirect( $url ); * exit; * * Exiting can also be selectively manipulated by using wp_redirect() as a conditional * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_location'} hooks: * * if ( wp_redirect( $url ) ) { * exit; * } * * @since 1.5.1 * * @global bool $is_IIS * * @param string $location The path to redirect to. * @param int $status Status code to use. * @return bool False if $location is not provided, true otherwise. */ function wp_redirect($location, $status = 302) { global $is_IIS; /** * Filters the redirect location. * * @since 2.1.0 * * @param string $location The path to redirect to. * @param int $status Status code to use. */ $location = apply_filters( 'wp_redirect', $location, $status ); /** * Filters the redirect status code. * * @since 2.3.0 * * @param int $status Status code to use. * @param string $location The path to redirect to. */ $status = apply_filters( 'wp_redirect_status', $status, $location ); if ( ! $location ) return false; $location = wp_sanitize_redirect($location); if ( !$is_IIS && PHP_SAPI != 'cgi-fcgi' ) status_header($status); // This causes problems on IIS and some FastCGI setups header("Location: $location", true, $status); return true; } endif; if ( !function_exists('wp_sanitize_redirect') ) : /** * Sanitizes a URL for use in a redirect. * * @since 2.3.0 * * @param string $location The path to redirect to. * @return string Redirect-sanitized URL. **/ function wp_sanitize_redirect($location) { $regex = '/ ( (?: [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx | \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx * 2 | [\xE1-\xEC][\x80-\xBF]{2} | \xED[\x80-\x9F][\x80-\xBF] | [\xEE-\xEF][\x80-\xBF]{2} | \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3 | [\xF1-\xF3][\x80-\xBF]{3} | \xF4[\x80-\x8F][\x80-\xBF]{2} ){1,40} # ...one or more times )/x'; $location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location ); $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()@]|i', '', $location); $location = wp_kses_no_null($location); // remove %0d and %0a from location $strip = array('%0d', '%0a', '%0D', '%0A'); return _deep_replace( $strip, $location ); } /** * URL encode UTF-8 characters in a URL. * * @ignore * @since 4.2.0 * @access private * * @see wp_sanitize_redirect() * * @param array $matches RegEx matches against the redirect location. * @return string URL-encoded version of the first RegEx match. */ function _wp_sanitize_utf8_in_redirect( $matches ) { return urlencode( $matches[0] ); } endif; if ( !function_exists('wp_safe_redirect') ) : /** * Performs a safe (local) redirect, using wp_redirect(). * * Checks whether the $location is using an allowed host, if it has an absolute * path. A plugin can therefore set or remove allowed host(s) to or from the * list. * * If the host is not allowed, then the redirect defaults to wp-admin on the siteurl * instead. This prevents malicious redirects which redirect to another host, * but only used in a few places. * * @since 2.3.0 * * @param string $location The path to redirect to. * @param int $status Status code to use. */ function wp_safe_redirect($location, $status = 302) { // Need to look at the URL the way it will end up in wp_redirect() $location = wp_sanitize_redirect($location); /** * Filters the redirect fallback URL for when the provided redirect is not safe (local). * * @since 4.3.0 * * @param string $fallback_url The fallback URL to use by default. * @param int $status The redirect status. */ $location = wp_validate_redirect( $location, apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ) ); wp_redirect($location, $status); } endif; if ( !function_exists('wp_validate_redirect') ) : /** * Validates a URL for use in a redirect. * * Checks whether the $location is using an allowed host, if it has an absolute * path. A plugin can therefore set or remove allowed host(s) to or from the * list. * * If the host is not allowed, then the redirect is to $default supplied * * @since 2.8.1 * * @param string $location The redirect to validate * @param string $default The value to return if $location is not allowed * @return string redirect-sanitized URL **/ function wp_validate_redirect($location, $default = '') { $location = trim( $location, " \t\n\r\0\x08\x0B" ); // browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//' if ( substr($location, 0, 2) == '//' ) $location = 'http:' . $location; // In php 5 parse_url may fail if the URL query part contains http://, bug #38143 $test = ( $cut = strpos($location, '?') ) ? substr( $location, 0, $cut ) : $location; // @-operator is used to prevent possible warnings in PHP < 5.3.3. $lp = @parse_url($test); // Give up if malformed URL if ( false === $lp ) return $default; // Allow only http and https schemes. No data:, etc. if ( isset($lp['scheme']) && !('http' == $lp['scheme'] || 'https' == $lp['scheme']) ) return $default; // Reject if certain components are set but host is not. This catches urls like https:host.com for which parse_url does not set the host field. if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) { return $default; } // Reject malformed components parse_url() can return on odd inputs. foreach ( array( 'user', 'pass', 'host' ) as $component ) { if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) { return $default; } } $wpp = parse_url(home_url()); /** * Filters the whitelist of hosts to redirect to. * * @since 2.3.0 * * @param array $hosts An array of allowed hosts. * @param bool|string $host The parsed host; empty if not isset. */ $allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array($wpp['host']), isset($lp['host']) ? $lp['host'] : '' ); if ( isset($lp['host']) && ( !in_array($lp['host'], $allowed_hosts) && $lp['host'] != strtolower($wpp['host'])) ) $location = $default; return $location; } endif; if ( ! function_exists('wp_notify_postauthor') ) : /** * Notify an author (and/or others) of a comment/trackback/pingback on a post. * * @since 1.0.0 * * @param int|WP_Comment $comment_id Comment ID or WP_Comment object. * @param string $deprecated Not used * @return bool True on completion. False if no email addresses were specified. */ function wp_notify_postauthor( $comment_id, $deprecated = null ) { if ( null !== $deprecated ) { _deprecated_argument( __FUNCTION__, '3.8.0' ); } $comment = get_comment( $comment_id ); if ( empty( $comment ) || empty( $comment->comment_post_ID ) ) return false; $post = get_post( $comment->comment_post_ID ); $author = get_userdata( $post->post_author ); // Who to notify? By default, just the post author, but others can be added. $emails = array(); if ( $author ) { $emails[] = $author->user_email; } /** * Filters the list of email addresses to receive a comment notification. * * By default, only post authors are notified of comments. This filter allows * others to be added. * * @since 3.7.0 * * @param array $emails An array of email addresses to receive a comment notification. * @param int $comment_id The comment ID. */ $emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID ); $emails = array_filter( $emails ); // If there are no addresses to send the comment to, bail. if ( ! count( $emails ) ) { return false; } // Facilitate unsetting below without knowing the keys. $emails = array_flip( $emails ); /** * Filters whether to notify comment authors of their comments on their own posts. * * By default, comment authors aren't notified of their comments on their own * posts. This filter allows you to override that. * * @since 3.8.0 * * @param bool $notify Whether to notify the post author of their own comment. * Default false. * @param int $comment_id The comment ID. */ $notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID ); // The comment was left by the author if ( $author && ! $notify_author && $comment->user_id == $post->post_author ) { unset( $emails[ $author->user_email ] ); } // The author moderated a comment on their own post if ( $author && ! $notify_author && $post->post_author == get_current_user_id() ) { unset( $emails[ $author->user_email ] ); } // The post author is no longer a member of the blog if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) { unset( $emails[ $author->user_email ] ); } // If there's no email to send the comment to, bail, otherwise flip array back around for use below if ( ! count( $emails ) ) { return false; } else { $emails = array_flip( $emails ); } $switched_locale = switch_to_locale( get_locale() ); $comment_author_domain = @gethostbyaddr($comment->comment_author_IP); // The blogname option is escaped with esc_html on the way into the database in sanitize_option // we want to reverse this for the plain text arena of emails. $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); $comment_content = wp_specialchars_decode( $comment->comment_content ); switch ( $comment->comment_type ) { case 'trackback': /* translators: 1: Post title */ $notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n"; /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */ $notify_message .= sprintf( __('Website: %1$s (IP: %2$s, %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; $notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n"; /* translators: 1: blog name, 2: post title */ $subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title ); break; case 'pingback': /* translators: 1: Post title */ $notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n"; /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */ $notify_message .= sprintf( __('Website: %1$s (IP: %2$s, %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; $notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n"; /* translators: 1: blog name, 2: post title */ $subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title ); break; default: // Comments $notify_message = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n"; /* translators: 1: comment author, 2: author IP, 3: author domain */ $notify_message .= sprintf( __( 'Author: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; $notify_message .= sprintf( __('Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; $notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n"; /* translators: 1: blog name, 2: post title */ $subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title ); break; } $notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n"; $notify_message .= sprintf( __('Permalink: %s'), get_comment_link( $comment ) ) . "\r\n"; if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) { if ( EMPTY_TRASH_DAYS ) { $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; } else { $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; } $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; } $wp_email = 'wordpress@' . preg_replace('#^www\.#', '', strtolower($_SERVER['SERVER_NAME'])); if ( '' == $comment->comment_author ) { $from = "From: \"$blogname\" <$wp_email>"; if ( '' != $comment->comment_author_email ) $reply_to = "Reply-To: $comment->comment_author_email"; } else { $from = "From: \"$comment->comment_author\" <$wp_email>"; if ( '' != $comment->comment_author_email ) $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>"; } $message_headers = "$from\n" . "Content-Type: text/plain; charset=\"" . get_option('blog_charset') . "\"\n"; if ( isset($reply_to) ) $message_headers .= $reply_to . "\n"; /** * Filters the comment notification email text. * * @since 1.5.2 * * @param string $notify_message The comment notification email text. * @param int $comment_id Comment ID. */ $notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID ); /** * Filters the comment notification email subject. * * @since 1.5.2 * * @param string $subject The comment notification email subject. * @param int $comment_id Comment ID. */ $subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID ); /** * Filters the comment notification email headers. * * @since 1.5.2 * * @param string $message_headers Headers for the comment notification email. * @param int $comment_id Comment ID. */ $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID ); foreach ( $emails as $email ) { @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); } if ( $switched_locale ) { restore_previous_locale(); } return true; } endif; if ( !function_exists('wp_notify_moderator') ) : /** * Notifies the moderator of the site about a new comment that is awaiting approval. * * @since 1.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * Uses the {@see 'notify_moderator'} filter to determine whether the site moderator * should be notified, overriding the site setting. * * @param int $comment_id Comment ID. * @return true Always returns true. */ function wp_notify_moderator($comment_id) { global $wpdb; $maybe_notify = get_option( 'moderation_notify' ); /** * Filters whether to send the site moderator email notifications, overriding the site setting. * * @since 4.4.0 * * @param bool $maybe_notify Whether to notify blog moderator. * @param int $comment_ID The id of the comment for the notification. */ $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id ); if ( ! $maybe_notify ) { return true; } $comment = get_comment($comment_id); $post = get_post($comment->comment_post_ID); $user = get_userdata( $post->post_author ); // Send to the administration and to the post author if the author can modify the comment. $emails = array( get_option( 'admin_email' ) ); if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) { if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) $emails[] = $user->user_email; } $switched_locale = switch_to_locale( get_locale() ); $comment_author_domain = @gethostbyaddr($comment->comment_author_IP); $comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'"); // The blogname option is escaped with esc_html on the way into the database in sanitize_option // we want to reverse this for the plain text arena of emails. $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); $comment_content = wp_specialchars_decode( $comment->comment_content ); switch ( $comment->comment_type ) { case 'trackback': /* translators: 1: Post title */ $notify_message = sprintf( __('A new trackback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n"; $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */ $notify_message .= sprintf( __( 'Website: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; /* translators: 1: Trackback/pingback/comment author URL */ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; $notify_message .= __('Trackback excerpt: ') . "\r\n" . $comment_content . "\r\n\r\n"; break; case 'pingback': /* translators: 1: Post title */ $notify_message = sprintf( __('A new pingback on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n"; $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; /* translators: 1: Trackback/pingback website name, 2: website IP, 3: website hostname */ $notify_message .= sprintf( __( 'Website: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; /* translators: 1: Trackback/pingback/comment author URL */ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; $notify_message .= __('Pingback excerpt: ') . "\r\n" . $comment_content . "\r\n\r\n"; break; default: // Comments /* translators: 1: Post title */ $notify_message = sprintf( __('A new comment on the post "%s" is waiting for your approval'), $post->post_title ) . "\r\n"; $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n"; /* translators: 1: Comment author name, 2: comment author's IP, 3: comment author IP's hostname */ $notify_message .= sprintf( __( 'Author: %1$s (IP: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; /* translators: 1: Comment author URL */ $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; /* translators: 1: Trackback/pingback/comment author URL */ $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; /* translators: 1: Comment text */ $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; break; } /* translators: Comment moderation. 1: Comment action URL */ $notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n"; if ( EMPTY_TRASH_DAYS ) { /* translators: Comment moderation. 1: Comment action URL */ $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n"; } else { /* translators: Comment moderation. 1: Comment action URL */ $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n"; } /* translators: Comment moderation. 1: Comment action URL */ $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n"; /* translators: Comment moderation. 1: Number of comments awaiting approval */ $notify_message .= sprintf( _n('Currently %s comment is waiting for approval. Please visit the moderation panel:', 'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting), number_format_i18n($comments_waiting) ) . "\r\n"; $notify_message .= admin_url( "edit-comments.php?comment_status=moderated#wpbody-content" ) . "\r\n"; /* translators: Comment moderation notification email subject. 1: Site name, 2: Post title */ $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), $blogname, $post->post_title ); $message_headers = ''; /** * Filters the list of recipients for comment moderation emails. * * @since 3.7.0 * * @param array $emails List of email addresses to notify for comment moderation. * @param int $comment_id Comment ID. */ $emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id ); /** * Filters the comment moderation email text. * * @since 1.5.2 * * @param string $notify_message Text of the comment moderation email. * @param int $comment_id Comment ID. */ $notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id ); /** * Filters the comment moderation email subject. * * @since 1.5.2 * * @param string $subject Subject of the comment moderation email. * @param int $comment_id Comment ID. */ $subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id ); /** * Filters the comment moderation email headers. * * @since 2.8.0 * * @param string $message_headers Headers for the comment moderation email. * @param int $comment_id Comment ID. */ $message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id ); foreach ( $emails as $email ) { @wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); } if ( $switched_locale ) { restore_previous_locale(); } return true; } endif; if ( !function_exists('wp_password_change_notification') ) : /** * Notify the blog admin of a user changing password, normally via email. * * @since 2.7.0 * * @param WP_User $user User object. */ function wp_password_change_notification( $user ) { // send a copy of password change notification to the admin // but check to see if it's the admin whose password we're changing, and skip this if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { /* translators: %s: user name */ $message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n"; // The blogname option is escaped with esc_html on the way into the database in sanitize_option // we want to reverse this for the plain text arena of emails. $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); /* translators: %s: site title */ wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] Password Changed' ), $blogname ), $message ); } } endif; if ( !function_exists('wp_new_user_notification') ) : /** * Email login credentials to a newly-registered user. * * A new user registration notification is also sent to admin email. * * @since 2.0.0 * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`. * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter. * @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created. * * @global wpdb $wpdb WordPress database object for queries. * @global PasswordHash $wp_hasher Portable PHP password hashing framework instance. * * @param int $user_id User ID. * @param null $deprecated Not used (argument deprecated). * @param string $notify Optional. Type of notification that should happen. Accepts 'admin' or an empty * string (admin only), 'user', or 'both' (admin and user). Default empty. */ function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) { if ( $deprecated !== null ) { _deprecated_argument( __FUNCTION__, '4.3.1' ); } global $wpdb, $wp_hasher; $user = get_userdata( $user_id ); // The blogname option is escaped with esc_html on the way into the database in sanitize_option // we want to reverse this for the plain text arena of emails. $blogname = wp_specialchars_decode(get_option('blogname'), ENT_QUOTES); if ( 'user' !== $notify ) { $switched_locale = switch_to_locale( get_locale() ); $message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n"; $message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n"; $message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n"; @wp_mail( get_option( 'admin_email' ), sprintf( __( '[%s] New User Registration' ), $blogname ), $message ); if ( $switched_locale ) { restore_previous_locale(); } } // `$deprecated was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification. if ( 'admin' === $notify || ( empty( $deprecated ) && empty( $notify ) ) ) { return; } // Generate something random for a password reset key. $key = wp_generate_password( 20, false ); /** This action is documented in wp-login.php */ do_action( 'retrieve_password_key', $user->user_login, $key ); // Now insert the key, hashed, into the DB. if ( empty( $wp_hasher ) ) { $wp_hasher = new PasswordHash( 8, true ); } $hashed = time() . ':' . $wp_hasher->HashPassword( $key ); $wpdb->update( $wpdb->users, array( 'user_activation_key' => $hashed ), array( 'user_login' => $user->user_login ) ); $switched_locale = switch_to_locale( get_user_locale( $user ) ); $message = sprintf(__('Username: %s'), $user->user_login) . "\r\n\r\n"; $message .= __('To set your password, visit the following address:') . "\r\n\r\n"; $message .= '<' . network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user->user_login), 'login') . ">\r\n\r\n"; $message .= wp_login_url() . "\r\n"; wp_mail($user->user_email, sprintf(__('[%s] Your username and password info'), $blogname), $message); if ( $switched_locale ) { restore_previous_locale(); } } endif; if ( !function_exists('wp_nonce_tick') ) : /** * Get the time-dependent variable for nonce creation. * * A nonce has a lifespan of two ticks. Nonces in their second tick may be * updated, e.g. by autosave. * * @since 2.5.0 * * @return float Float value rounded up to the next highest integer. */ function wp_nonce_tick() { /** * Filters the lifespan of nonces in seconds. * * @since 2.5.0 * * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. */ $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS ); return ceil(time() / ( $nonce_life / 2 )); } endif; if ( !function_exists('wp_verify_nonce') ) : /** * Verify that correct nonce was used with time limit. * * The user is given an amount of time to use the token, so therefore, since the * UID and $action remain the same, the independent variable is the time. * * @since 2.0.3 * * @param string $nonce Nonce that was used in the form to verify * @param string|int $action Should give context to what is taking place and be the same when nonce was created. * @return false|int False if the nonce is invalid, 1 if the nonce is valid and generated between * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. */ function wp_verify_nonce( $nonce, $action = -1 ) { $nonce = (string) $nonce; $user = wp_get_current_user(); $uid = (int) $user->ID; if ( ! $uid ) { /** * Filters whether the user who generated the nonce is logged out. * * @since 3.5.0 * * @param int $uid ID of the nonce-owning user. * @param string $action The nonce action. */ $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); } if ( empty( $nonce ) ) { return false; } $token = wp_get_session_token(); $i = wp_nonce_tick(); // Nonce generated 0-12 hours ago $expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce'), -12, 10 ); if ( hash_equals( $expected, $nonce ) ) { return 1; } // Nonce generated 12-24 hours ago $expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); if ( hash_equals( $expected, $nonce ) ) { return 2; } /** * Fires when nonce verification fails. * * @since 4.4.0 * * @param string $nonce The invalid nonce. * @param string|int $action The nonce action. * @param WP_User $user The current user object. * @param string $token The user's session token. */ do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token ); // Invalid nonce return false; } endif; if ( !function_exists('wp_create_nonce') ) : /** * Creates a cryptographic token tied to a specific action, user, user session, * and window of time. * * @since 2.0.3 * @since 4.0.0 Session tokens were integrated with nonce creation * * @param string|int $action Scalar value to add context to the nonce. * @return string The token. */ function wp_create_nonce($action = -1) { $user = wp_get_current_user(); $uid = (int) $user->ID; if ( ! $uid ) { /** This filter is documented in wp-includes/pluggable.php */ $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); } $token = wp_get_session_token(); $i = wp_nonce_tick(); return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 ); } endif; if ( !function_exists('wp_salt') ) : /** * Get salt to add to hashes. * * Salts are created using secret keys. Secret keys are located in two places: * in the database and in the wp-config.php file. The secret key in the database * is randomly generated and will be appended to the secret keys in wp-config.php. * * The secret keys in wp-config.php should be updated to strong, random keys to maximize * security. Below is an example of how the secret key constants are defined. * Do not paste this example directly into wp-config.php. Instead, have a * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just * for you. * * define('AUTH_KEY', ' XakmM%G4Yt>f`z]MON'); * define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~'); * define('LOGGED_IN_KEY', '|i|Ux`9z7X>QYR0Z_XnZ@|'); * define('AUTH_SALT', 'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW'); * define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W*c(u`g~EJBf#8u#R{mUEZrozmm'); * define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT'); * * Salting passwords helps against tools which has stored hashed values of * common dictionary strings. The added values makes it harder to crack. * * @since 2.5.0 * * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php * * @staticvar array $cached_salts * @staticvar array $duplicated_keys * * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce) * @return string Salt value */ function wp_salt( $scheme = 'auth' ) { static $cached_salts = array(); if ( isset( $cached_salts[ $scheme ] ) ) { /** * Filters the WordPress salt. * * @since 2.5.0 * * @param string $cached_salt Cached salt for the given scheme. * @param string $scheme Authentication scheme. Values include 'auth', * 'secure_auth', 'logged_in', and 'nonce'. */ return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); } static $duplicated_keys; if ( null === $duplicated_keys ) { $duplicated_keys = array( 'put your unique phrase here' => true ); foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) { foreach ( array( 'KEY', 'SALT' ) as $second ) { if ( ! defined( "{$first}_{$second}" ) ) { continue; } $value = constant( "{$first}_{$second}" ); $duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] ); } } } $values = array( 'key' => '', 'salt' => '' ); if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) { $values['key'] = SECRET_KEY; } if ( 'auth' == $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) { $values['salt'] = SECRET_SALT; } if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) ) ) { foreach ( array( 'key', 'salt' ) as $type ) { $const = strtoupper( "{$scheme}_{$type}" ); if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) { $values[ $type ] = constant( $const ); } elseif ( ! $values[ $type ] ) { $values[ $type ] = get_site_option( "{$scheme}_{$type}" ); if ( ! $values[ $type ] ) { $values[ $type ] = wp_generate_password( 64, true, true ); update_site_option( "{$scheme}_{$type}", $values[ $type ] ); } } } } else { if ( ! $values['key'] ) { $values['key'] = get_site_option( 'secret_key' ); if ( ! $values['key'] ) { $values['key'] = wp_generate_password( 64, true, true ); update_site_option( 'secret_key', $values['key'] ); } } $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] ); } $cached_salts[ $scheme ] = $values['key'] . $values['salt']; /** This filter is documented in wp-includes/pluggable.php */ return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); } endif; if ( !function_exists('wp_hash') ) : /** * Get hash of given string. * * @since 2.0.3 * * @param string $data Plain text to hash * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce) * @return string Hash of $data */ function wp_hash($data, $scheme = 'auth') { $salt = wp_salt($scheme); return hash_hmac('md5', $data, $salt); } endif; if ( !function_exists('wp_hash_password') ) : /** * Create a hash (encrypt) of a plain text password. * * For integration with other applications, this function can be overwritten to * instead use the other package password checking algorithm. * * @since 2.5.0 * * @global PasswordHash $wp_hasher PHPass object * * @param string $password Plain text user password to hash * @return string The hash string of the password */ function wp_hash_password($password) { global $wp_hasher; if ( empty($wp_hasher) ) { // By default, use the portable hash from phpass $wp_hasher = new PasswordHash(8, true); } return $wp_hasher->HashPassword( trim( $password ) ); } endif; if ( !function_exists('wp_check_password') ) : /** * Checks the plaintext password against the encrypted Password. * * Maintains compatibility between old version and the new cookie authentication * protocol using PHPass library. The $hash parameter is the encrypted password * and the function compares the plain text password when encrypted similarly * against the already encrypted password to see if they match. * * For integration with other applications, this function can be overwritten to * instead use the other package password checking algorithm. * * @since 2.5.0 * * @global PasswordHash $wp_hasher PHPass object used for checking the password * against the $hash + $password * @uses PasswordHash::CheckPassword * * @param string $password Plaintext user's password * @param string $hash Hash of the user's password to check against. * @param string|int $user_id Optional. User ID. * @return bool False, if the $password does not match the hashed password */ function wp_check_password($password, $hash, $user_id = '') { global $wp_hasher; // If the hash is still md5... if ( strlen($hash) <= 32 ) { $check = hash_equals( $hash, md5( $password ) ); if ( $check && $user_id ) { // Rehash using new hash. wp_set_password($password, $user_id); $hash = wp_hash_password($password); } /** * Filters whether the plaintext password matches the encrypted password. * * @since 2.5.0 * * @param bool $check Whether the passwords match. * @param string $password The plaintext password. * @param string $hash The hashed password. * @param string|int $user_id User ID. Can be empty. */ return apply_filters( 'check_password', $check, $password, $hash, $user_id ); } // If the stored hash is longer than an MD5, presume the // new style phpass portable hash. if ( empty($wp_hasher) ) { // By default, use the portable hash from phpass $wp_hasher = new PasswordHash(8, true); } $check = $wp_hasher->CheckPassword($password, $hash); /** This filter is documented in wp-includes/pluggable.php */ return apply_filters( 'check_password', $check, $password, $hash, $user_id ); } endif; if ( !function_exists('wp_generate_password') ) : /** * Generates a random password drawn from the defined set of characters. * * @since 2.5.0 * * @param int $length Optional. The length of password to generate. Default 12. * @param bool $special_chars Optional. Whether to include standard special characters. * Default true. * @param bool $extra_special_chars Optional. Whether to include other special characters. * Used when generating secret keys and salts. Default false. * @return string The random password. */ function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) { $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; if ( $special_chars ) $chars .= '!@#$%^&*()'; if ( $extra_special_chars ) $chars .= '-_ []{}<>~`+=,.;:/?|'; $password = ''; for ( $i = 0; $i < $length; $i++ ) { $password .= substr($chars, wp_rand(0, strlen($chars) - 1), 1); } /** * Filters the randomly-generated password. * * @since 3.0.0 * * @param string $password The generated password. */ return apply_filters( 'random_password', $password ); } endif; if ( !function_exists('wp_rand') ) : /** * Generates a random number * * @since 2.6.2 * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available. * * @global string $rnd_value * @staticvar string $seed * @staticvar bool $external_rand_source_available * * @param int $min Lower limit for the generated number * @param int $max Upper limit for the generated number * @return int A random number between min and max */ function wp_rand( $min = 0, $max = 0 ) { global $rnd_value; // 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. $max_random_number = 3000000000 === 2147483647 ? (float) "4294967295" : 4294967295; // 4294967295 = 0xffffffff // We only handle Ints, floats are truncated to their integer value. $min = (int) $min; $max = (int) $max; // Use PHP's CSPRNG, or a compatible method static $use_random_int_functionality = true; if ( $use_random_int_functionality ) { try { $_max = ( 0 != $max ) ? $max : $max_random_number; // wp_rand() can accept arguments in either order, PHP cannot. $_max = max( $min, $_max ); $_min = min( $min, $_max ); $val = random_int( $_min, $_max ); if ( false !== $val ) { return absint( $val ); } else { $use_random_int_functionality = false; } } catch ( Error $e ) { $use_random_int_functionality = false; } catch ( Exception $e ) { $use_random_int_functionality = false; } } // Reset $rnd_value after 14 uses // 32(md5) + 40(sha1) + 40(sha1) / 8 = 14 random numbers from $rnd_value if ( strlen($rnd_value) < 8 ) { if ( defined( 'WP_SETUP_CONFIG' ) ) static $seed = ''; else $seed = get_transient('random_seed'); $rnd_value = md5( uniqid(microtime() . mt_rand(), true ) . $seed ); $rnd_value .= sha1($rnd_value); $rnd_value .= sha1($rnd_value . $seed); $seed = md5($seed . $rnd_value); if ( ! defined( 'WP_SETUP_CONFIG' ) && ! defined( 'WP_INSTALLING' ) ) { set_transient( 'random_seed', $seed ); } } // Take the first 8 digits for our value $value = substr($rnd_value, 0, 8); // Strip the first eight, leaving the remainder for the next call to wp_rand(). $rnd_value = substr($rnd_value, 8); $value = abs(hexdec($value)); // Reduce the value to be within the min - max range if ( $max != 0 ) $value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 ); return abs(intval($value)); } endif; if ( !function_exists('wp_set_password') ) : /** * Updates the user's password with a new encrypted one. * * For integration with other applications, this function can be overwritten to * instead use the other package password checking algorithm. * * Please note: This function should be used sparingly and is really only meant for single-time * application. Leveraging this improperly in a plugin or theme could result in an endless loop * of password resets if precautions are not taken to ensure it does not execute on every page load. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $password The plaintext new user password * @param int $user_id User ID */ function wp_set_password( $password, $user_id ) { global $wpdb; $hash = wp_hash_password( $password ); $wpdb->update($wpdb->users, array('user_pass' => $hash, 'user_activation_key' => ''), array('ID' => $user_id) ); wp_cache_delete($user_id, 'users'); } endif; if ( !function_exists( 'get_avatar' ) ) : /** * Retrieve the avatar `` tag for a user, email address, MD5 hash, comment, or post. * * @since 2.5.0 * @since 4.2.0 Optional `$args` parameter added. * * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param int $size Optional. Height and width of the avatar image file in pixels. Default 96. * @param string $default Optional. URL for the default image or a default type. Accepts '404' * (return a 404 instead of a default image), 'retro' (8bit), 'monsterid' * (monster), 'wavatar' (cartoon face), 'indenticon' (the "quilt"), * 'mystery', 'mm', or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF), * or 'gravatar_default' (the Gravatar logo). Default is the value of the * 'avatar_default' option, with a fallback of 'mystery'. * @param string $alt Optional. Alternative text to use in <img> tag. Default empty. * @param array $args { * Optional. Extra arguments to retrieve the avatar. * * @type int $height Display height of the avatar in pixels. Defaults to $size. * @type int $width Display width of the avatar in pixels. Defaults to $size. * @type bool $force_default Whether to always show the default image, never the Gravatar. Default false. * @type string $rating What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are * judged in that order. Default is the value of the 'avatar_rating' option. * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. * Default null. * @type array|string $class Array or string of additional classes to add to the <img> element. * Default null. * @type bool $force_display Whether to always show the avatar - ignores the show_avatars option. * Default false. * @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. Default empty. * } * @return false|string `` tag for the user's avatar. False on failure. */ function get_avatar( $id_or_email, $size = 96, $default = '', $alt = '', $args = null ) { $defaults = array( // get_avatar_data() args. 'size' => 96, 'height' => null, 'width' => null, 'default' => get_option( 'avatar_default', 'mystery' ), 'force_default' => false, 'rating' => get_option( 'avatar_rating' ), 'scheme' => null, 'alt' => '', 'class' => null, 'force_display' => false, 'extra_attr' => '', ); if ( empty( $args ) ) { $args = array(); } $args['size'] = (int) $size; $args['default'] = $default; $args['alt'] = $alt; $args = wp_parse_args( $args, $defaults ); if ( empty( $args['height'] ) ) { $args['height'] = $args['size']; } if ( empty( $args['width'] ) ) { $args['width'] = $args['size']; } if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) { $id_or_email = get_comment( $id_or_email ); } /** * Filters whether to retrieve the avatar URL early. * * Passing a non-null value will effectively short-circuit get_avatar(), passing * the value through the {@see 'get_avatar'} filter and returning early. * * @since 4.2.0 * * @param string $avatar HTML for the user's avatar. Default null. * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args Arguments passed to get_avatar_url(), after processing. */ $avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args ); if ( ! is_null( $avatar ) ) { /** This filter is documented in wp-includes/pluggable.php */ return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); } if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) { return false; } $url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) ); $args = get_avatar_data( $id_or_email, $args ); $url = $args['url']; if ( ! $url || is_wp_error( $url ) ) { return false; } $class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' ); if ( ! $args['found_avatar'] || $args['force_default'] ) { $class[] = 'avatar-default'; } if ( $args['class'] ) { if ( is_array( $args['class'] ) ) { $class = array_merge( $class, $args['class'] ); } else { $class[] = $args['class']; } } $avatar = sprintf( "%s", esc_attr( $args['alt'] ), esc_url( $url ), esc_attr( "$url2x 2x" ), esc_attr( join( ' ', $class ) ), (int) $args['height'], (int) $args['width'], $args['extra_attr'] ); /** * Filters the avatar to retrieve. * * @since 2.5.0 * @since 4.2.0 The `$args` parameter was added. * * @param string $avatar <img> tag for the user's avatar. * @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param int $size Square avatar width and height in pixels to retrieve. * @param string $alt Alternative text to use in the avatar image tag. * Default empty. * @param array $args Arguments passed to get_avatar_data(), after processing. */ return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); } endif; if ( !function_exists( 'wp_text_diff' ) ) : /** * Displays a human readable HTML representation of the difference between two strings. * * The Diff is available for getting the changes between versions. The output is * HTML, so the primary use is for displaying the changes. If the two strings * are equivalent, then an empty string will be returned. * * The arguments supported and can be changed are listed below. * * 'title' : Default is an empty string. Titles the diff in a manner compatible * with the output. * 'title_left' : Default is an empty string. Change the HTML to the left of the * title. * 'title_right' : Default is an empty string. Change the HTML to the right of * the title. * * @since 2.6.0 * * @see wp_parse_args() Used to change defaults to user defined settings. * @uses Text_Diff * @uses WP_Text_Diff_Renderer_Table * * @param string $left_string "old" (left) version of string * @param string $right_string "new" (right) version of string * @param string|array $args Optional. Change 'title', 'title_left', and 'title_right' defaults. * @return string Empty string if strings are equivalent or HTML with differences. */ function wp_text_diff( $left_string, $right_string, $args = null ) { $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' ); $args = wp_parse_args( $args, $defaults ); if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) ) require( ABSPATH . WPINC . '/wp-diff.php' ); $left_string = normalize_whitespace($left_string); $right_string = normalize_whitespace($right_string); $left_lines = explode("\n", $left_string); $right_lines = explode("\n", $right_string); $text_diff = new Text_Diff($left_lines, $right_lines); $renderer = new WP_Text_Diff_Renderer_Table( $args ); $diff = $renderer->render($text_diff); if ( !$diff ) return ''; $r = "\n"; if ( ! empty( $args[ 'show_split_view' ] ) ) { $r .= ""; } else { $r .= ""; } if ( $args['title'] || $args['title_left'] || $args['title_right'] ) $r .= ""; if ( $args['title'] ) $r .= "\n"; if ( $args['title_left'] || $args['title_right'] ) { $r .= "\n"; $r .= "\t\n"; $r .= "\t\n"; $r .= "\n"; } if ( $args['title'] || $args['title_left'] || $args['title_right'] ) $r .= "\n"; $r .= "\n$diff\n\n"; $r .= "
$args[title]
$args[title_left]$args[title_right]
"; return $r; } endif;
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