/** * Post revision functions. * * @package WordPress * @subpackage Post_Revisions */ /** * Determines which fields of posts are to be saved in revisions. * * Does two things. If passed a post *array*, it will return a post array ready * to be inserted into the posts table as a post revision. Otherwise, returns * an array whose keys are the post fields to be saved for post revisions. * * @since 2.6.0 * @access private * * @staticvar array $fields * * @param array $post Optional. A post array to be processed for insertion as a post revision. * @param bool $autosave Optional. Is the revision an autosave? * @return array Post array ready to be inserted as a post revision or array of fields that can be versioned. */ function _wp_post_revision_fields( $post = null, $autosave = false ) { static $fields = null; if ( is_null( $fields ) ) { // Allow these to be versioned $fields = array( 'post_title' => __( 'Title' ), 'post_content' => __( 'Content' ), 'post_excerpt' => __( 'Excerpt' ), ); /** * Filter the list of fields saved in post revisions. * * Included by default: 'post_title', 'post_content' and 'post_excerpt'. * * Disallowed fields: 'ID', 'post_name', 'post_parent', 'post_date', * 'post_date_gmt', 'post_status', 'post_type', 'comment_count', * and 'post_author'. * * @since 2.6.0 * * @param array $fields List of fields to revision. Contains 'post_title', * 'post_content', and 'post_excerpt' by default. */ $fields = apply_filters( '_wp_post_revision_fields', $fields ); // WP uses these internally either in versioning or elsewhere - they cannot be versioned foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect ) unset( $fields[$protect] ); } if ( !is_array($post) ) return $fields; $return = array(); foreach ( array_intersect( array_keys( $post ), array_keys( $fields ) ) as $field ) $return[$field] = $post[$field]; $return['post_parent'] = $post['ID']; $return['post_status'] = 'inherit'; $return['post_type'] = 'revision'; $return['post_name'] = $autosave ? "$post[ID]-autosave-v1" : "$post[ID]-revision-v1"; // "1" is the revisioning system version $return['post_date'] = isset($post['post_modified']) ? $post['post_modified'] : ''; $return['post_date_gmt'] = isset($post['post_modified_gmt']) ? $post['post_modified_gmt'] : ''; return $return; } /** * Creates a revision for the current version of a post. * * Typically used immediately after a post update, as every update is a revision, * and the most recent revision always matches the current post. * * @since 2.6.0 * * @param int $post_id The ID of the post to save as a revision. * @return int|WP_Error|void Void or 0 if error, new revision ID, if success. */ function wp_save_post_revision( $post_id ) { if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return; if ( ! $post = get_post( $post_id ) ) return; if ( ! post_type_supports( $post->post_type, 'revisions' ) ) return; if ( 'auto-draft' == $post->post_status ) return; if ( ! wp_revisions_enabled( $post ) ) return; // Compare the proposed update with the last stored revision verifying that // they are different, unless a plugin tells us to always save regardless. // If no previous revisions, save one if ( $revisions = wp_get_post_revisions( $post_id ) ) { // grab the last revision, but not an autosave foreach ( $revisions as $revision ) { if ( false !== strpos( $revision->post_name, "{$revision->post_parent}-revision" ) ) { $last_revision = $revision; break; } } /** * Filter whether the post has changed since the last revision. * * By default a revision is saved only if one of the revisioned fields has changed. * This filter can override that so a revision is saved even if nothing has changed. * * @since 3.6.0 * * @param bool $check_for_changes Whether to check for changes before saving a new revision. * Default true. * @param WP_Post $last_revision The the last revision post object. * @param WP_Post $post The post object. * */ if ( isset( $last_revision ) && apply_filters( 'wp_save_post_revision_check_for_changes', $check_for_changes = true, $last_revision, $post ) ) { $post_has_changed = false; foreach ( array_keys( _wp_post_revision_fields() ) as $field ) { if ( normalize_whitespace( $post->$field ) != normalize_whitespace( $last_revision->$field ) ) { $post_has_changed = true; break; } } /** * Filter whether a post has changed. * * By default a revision is saved only if one of the revisioned fields has changed. * This filter allows for additional checks to determine if there were changes. * * @since 4.1.0 * * @param bool $post_has_changed Whether the post has changed. * @param WP_Post $last_revision The last revision post object. * @param WP_Post $post The post object. * */ $post_has_changed = (bool) apply_filters( 'wp_save_post_revision_post_has_changed', $post_has_changed, $last_revision, $post ); //don't save revision if post unchanged if ( ! $post_has_changed ) { return; } } } $return = _wp_put_post_revision( $post ); // If a limit for the number of revisions to keep has been set, // delete the oldest ones. $revisions_to_keep = wp_revisions_to_keep( $post ); if ( $revisions_to_keep < 0 ) return $return; $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) ); $delete = count($revisions) - $revisions_to_keep; if ( $delete < 1 ) return $return; $revisions = array_slice( $revisions, 0, $delete ); for ( $i = 0; isset( $revisions[$i] ); $i++ ) { if ( false !== strpos( $revisions[ $i ]->post_name, 'autosave' ) ) continue; wp_delete_post_revision( $revisions[ $i ]->ID ); } return $return; } /** * Retrieve the autosaved data of the specified post. * * Returns a post object containing the information that was autosaved for the * specified post. If the optional $user_id is passed, returns the autosave for that user * otherwise returns the latest autosave. * * @since 2.6.0 * * @param int $post_id The post ID. * @param int $user_id Optional The post author ID. * @return WP_Post|false The autosaved data or false on failure or when no autosave exists. */ function wp_get_post_autosave( $post_id, $user_id = 0 ) { $revisions = wp_get_post_revisions( $post_id, array( 'check_enabled' => false ) ); foreach ( $revisions as $revision ) { if ( false !== strpos( $revision->post_name, "{$post_id}-autosave" ) ) { if ( $user_id && $user_id != $revision->post_author ) continue; return $revision; } } return false; } /** * Determines if the specified post is a revision. * * @since 2.6.0 * * @param int|WP_Post $post Post ID or post object. * @return false|int False if not a revision, ID of revision's parent otherwise. */ function wp_is_post_revision( $post ) { if ( !$post = wp_get_post_revision( $post ) ) return false; return (int) $post->post_parent; } /** * Determines if the specified post is an autosave. * * @since 2.6.0 * * @param int|WP_Post $post Post ID or post object. * @return false|int False if not a revision, ID of autosave's parent otherwise */ function wp_is_post_autosave( $post ) { if ( !$post = wp_get_post_revision( $post ) ) return false; if ( false !== strpos( $post->post_name, "{$post->post_parent}-autosave" ) ) return (int) $post->post_parent; return false; } /** * Inserts post data into the posts table as a post revision. * * @since 2.6.0 * @access private * * @param int|WP_Post|array|null $post Post ID, post object OR post array. * @param bool $autosave Optional. Is the revision an autosave? * @return int|WP_Error WP_Error or 0 if error, new revision ID if success. */ function _wp_put_post_revision( $post = null, $autosave = false ) { if ( is_object($post) ) $post = get_object_vars( $post ); elseif ( !is_array($post) ) $post = get_post($post, ARRAY_A); if ( ! $post || empty($post['ID']) ) return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); if ( isset($post['post_type']) && 'revision' == $post['post_type'] ) return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) ); $post = _wp_post_revision_fields( $post, $autosave ); $post = wp_slash($post); //since data is from db $revision_id = wp_insert_post( $post ); if ( is_wp_error($revision_id) ) return $revision_id; if ( $revision_id ) { /** * Fires once a revision has been saved. * * @since 2.6.0 * * @param int $revision_id Post revision ID. */ do_action( '_wp_put_post_revision', $revision_id ); } return $revision_id; } /** * Gets a post revision. * * @since 2.6.0 * * @param int|WP_Post $post The post ID or object. * @param string $output Optional. OBJECT, ARRAY_A, or ARRAY_N. * @param string $filter Optional sanitation filter. @see sanitize_post(). * @return WP_Post|array|null Null if error or post object if success. */ function wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') { if ( !$revision = get_post( $post, OBJECT, $filter ) ) return $revision; if ( 'revision' !== $revision->post_type ) return null; if ( $output == OBJECT ) { return $revision; } elseif ( $output == ARRAY_A ) { $_revision = get_object_vars($revision); return $_revision; } elseif ( $output == ARRAY_N ) { $_revision = array_values(get_object_vars($revision)); return $_revision; } return $revision; } /** * Restores a post to the specified revision. * * Can restore a past revision using all fields of the post revision, or only selected fields. * * @since 2.6.0 * * @param int|WP_Post $revision_id Revision ID or revision object. * @param array $fields Optional. What fields to restore from. Defaults to all. * @return int|false|null Null if error, false if no fields to restore, (int) post ID if success. */ function wp_restore_post_revision( $revision_id, $fields = null ) { if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) ) return $revision; if ( !is_array( $fields ) ) $fields = array_keys( _wp_post_revision_fields() ); $update = array(); foreach( array_intersect( array_keys( $revision ), $fields ) as $field ) { $update[$field] = $revision[$field]; } if ( !$update ) return false; $update['ID'] = $revision['post_parent']; $update = wp_slash( $update ); //since data is from db $post_id = wp_update_post( $update ); if ( ! $post_id || is_wp_error( $post_id ) ) return $post_id; // Add restore from details $restore_details = array( 'restored_revision_id' => $revision_id, 'restored_by_user' => get_current_user_id(), 'restored_time' => time() ); update_post_meta( $post_id, '_post_restored_from', $restore_details ); // Update last edit user update_post_meta( $post_id, '_edit_last', get_current_user_id() ); /** * Fires after a post revision has been restored. * * @since 2.6.0 * * @param int $post_id Post ID. * @param int $revision_id Post revision ID. */ do_action( 'wp_restore_post_revision', $post_id, $revision['ID'] ); return $post_id; } /** * Deletes a revision. * * Deletes the row from the posts table corresponding to the specified revision. * * @since 2.6.0 * * @param int|WP_Post $revision_id Revision ID or revision object. * @return array|false|WP_Post|WP_Error|null Null or WP_Error if error, deleted post if success. */ function wp_delete_post_revision( $revision_id ) { if ( ! $revision = wp_get_post_revision( $revision_id ) ) { return $revision; } $delete = wp_delete_post( $revision->ID ); if ( $delete ) { /** * Fires once a post revision has been deleted. * * @since 2.6.0 * * @param int $revision_id Post revision ID. * @param object|array $revision Post revision object or array. */ do_action( 'wp_delete_post_revision', $revision->ID, $revision ); } return $delete; } /** * Returns all revisions of specified post. * * @since 2.6.0 * * @param int|WP_Post $post_id Optional. Post ID or WP_Post object. Default is global $post. * @return array An array of revisions, or an empty array if none. */ function wp_get_post_revisions( $post_id = 0, $args = null ) { $post = get_post( $post_id ); if ( ! $post || empty( $post->ID ) ) return array(); $defaults = array( 'order' => 'DESC', 'orderby' => 'date ID', 'check_enabled' => true ); $args = wp_parse_args( $args, $defaults ); if ( $args['check_enabled'] && ! wp_revisions_enabled( $post ) ) return array(); $args = array_merge( $args, array( 'post_parent' => $post->ID, 'post_type' => 'revision', 'post_status' => 'inherit' ) ); if ( ! $revisions = get_children( $args ) ) return array(); return $revisions; } /** * Determine if revisions are enabled for a given post. * * @since 3.6.0 * * @param WP_Post $post The post object. * @return bool True if number of revisions to keep isn't zero, false otherwise. */ function wp_revisions_enabled( $post ) { return wp_revisions_to_keep( $post ) !== 0; } /** * Determine how many revisions to retain for a given post. * * By default, an infinite number of revisions are kept. * * The constant WP_POST_REVISIONS can be set in wp-config to specify the limit * of revisions to keep. * * @since 3.6.0 * * @param WP_Post $post The post object. * @return int The number of revisions to keep. */ function wp_revisions_to_keep( $post ) { $num = WP_POST_REVISIONS; if ( true === $num ) $num = -1; else $num = intval( $num ); if ( ! post_type_supports( $post->post_type, 'revisions' ) ) $num = 0; /** * Filter the number of revisions to save for the given post. * * Overrides the value of WP_POST_REVISIONS. * * @since 3.6.0 * * @param int $num Number of revisions to store. * @param WP_Post $post Post object. */ return (int) apply_filters( 'wp_revisions_to_keep', $num, $post ); } /** * Sets up the post object for preview based on the post autosave. * * @since 2.7.0 * @access private * * @param WP_Post $post * @return WP_Post|false */ function _set_preview( $post ) { if ( ! is_object( $post ) ) { return $post; } $preview = wp_get_post_autosave( $post->ID ); if ( ! is_object( $preview ) ) { return $post; } $preview = sanitize_post( $preview ); $post->post_content = $preview->post_content; $post->post_title = $preview->post_title; $post->post_excerpt = $preview->post_excerpt; add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 ); return $post; } /** * Filters the latest content for preview from the post autosave. * * @since 2.7.0 * @access private */ function _show_post_preview() { if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) { $id = (int) $_GET['preview_id']; if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) wp_die( __('You do not have permission to preview drafts.') ); add_filter('the_preview', '_set_preview'); } } /** * Filters terms lookup to set the post format. * * @since 3.6.0 * @access private * * @param array $terms * @param int $post_id * @param string $taxonomy * @return array */ function _wp_preview_terms_filter( $terms, $post_id, $taxonomy ) { if ( ! $post = get_post() ) return $terms; if ( empty( $_REQUEST['post_format'] ) || $post->ID != $post_id || 'post_format' != $taxonomy || 'revision' == $post->post_type ) return $terms; if ( 'standard' == $_REQUEST['post_format'] ) $terms = array(); elseif ( $term = get_term_by( 'slug', 'post-format-' . sanitize_key( $_REQUEST['post_format'] ), 'post_format' ) ) $terms = array( $term ); // Can only have one post format return $terms; } /** * Gets the post revision version. * * @since 3.6.0 * @access private * * @param WP_Post $revision * @return int|false */ function _wp_get_post_revision_version( $revision ) { if ( is_object( $revision ) ) $revision = get_object_vars( $revision ); elseif ( !is_array( $revision ) ) return false; if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) ) return (int) $matches[1]; return 0; } /** * Upgrade the revisions author, add the current post as a revision and set the revisions version to 1 * * @since 3.6.0 * @access private * * @global wpdb $wpdb * * @param WP_Post $post Post object * @param array $revisions Current revisions of the post * @return bool true if the revisions were upgraded, false if problems */ function _wp_upgrade_revisions_of_post( $post, $revisions ) { global $wpdb; // Add post option exclusively $lock = "revision-upgrade-{$post->ID}"; $now = time(); $result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no') /* LOCK */", $lock, $now ) ); if ( ! $result ) { // If we couldn't get a lock, see how old the previous lock is $locked = get_option( $lock ); if ( ! $locked ) { // Can't write to the lock, and can't read the lock. // Something broken has happened return false; } if ( $locked > $now - 3600 ) { // Lock is not too old: some other process may be upgrading this post. Bail. return false; } // Lock is too old - update it (below) and continue } // If we could get a lock, re-"add" the option to fire all the correct filters. update_option( $lock, $now ); reset( $revisions ); $add_last = true; do { $this_revision = current( $revisions ); $prev_revision = next( $revisions ); $this_revision_version = _wp_get_post_revision_version( $this_revision ); // Something terrible happened if ( false === $this_revision_version ) continue; // 1 is the latest revision version, so we're already up to date. // No need to add a copy of the post as latest revision. if ( 0 < $this_revision_version ) { $add_last = false; continue; } // Always update the revision version $update = array( 'post_name' => preg_replace( '/^(\d+-(?:autosave|revision))[\d-]*$/', '$1-v1', $this_revision->post_name ), ); // If this revision is the oldest revision of the post, i.e. no $prev_revision, // the correct post_author is probably $post->post_author, but that's only a good guess. // Update the revision version only and Leave the author as-is. if ( $prev_revision ) { $prev_revision_version = _wp_get_post_revision_version( $prev_revision ); // If the previous revision is already up to date, it no longer has the information we need :( if ( $prev_revision_version < 1 ) $update['post_author'] = $prev_revision->post_author; } // Upgrade this revision $result = $wpdb->update( $wpdb->posts, $update, array( 'ID' => $this_revision->ID ) ); if ( $result ) wp_cache_delete( $this_revision->ID, 'posts' ); } while ( $prev_revision ); delete_option( $lock ); // Add a copy of the post as latest revision. if ( $add_last ) wp_save_post_revision( $post->ID ); return true; } /** * Canonical API to handle WordPress Redirecting * * Based on "Permalink Redirect" from Scott Yang and "Enforce www. Preference" * by Mark Jaquith * * @package WordPress * @since 2.3.0 */ /** * Redirects incoming links to the proper URL based on the site url. * * Search engines consider www.somedomain.com and somedomain.com to be two * different URLs when they both go to the same location. This SEO enhancement * prevents penalty for duplicate content by redirecting all incoming links to * one or the other. * * Prevents redirection for feeds, trackbacks, searches, comment popup, and * admin URLs. Does not redirect on non-pretty-permalink-supporting IIS 7+, * page/post previews, WP admin, Trackbacks, robots.txt, searches, or on POST * requests. * * Will also attempt to find the correct link when a user enters a URL that does * not exist based on exact WordPress query. Will instead try to parse the URL * or query in an attempt to figure the correct page to go to. * * @since 2.3.0 * * @global WP_Rewrite $wp_rewrite * @global bool $is_IIS * @global WP_Query $wp_query * @global wpdb $wpdb * * @param string $requested_url Optional. The URL that was requested, used to * figure if redirect is needed. * @param bool $do_redirect Optional. Redirect to the new URL. * @return string|void The string of the URL, if redirect needed. */ function redirect_canonical( $requested_url = null, $do_redirect = true ) { global $wp_rewrite, $is_IIS, $wp_query, $wpdb; if ( isset( $_SERVER['REQUEST_METHOD'] ) && ! in_array( strtoupper( $_SERVER['REQUEST_METHOD'] ), array( 'GET', 'HEAD' ) ) ) { return; } // If we're not in wp-admin and the post has been published and preview nonce // is non-existent or invalid then no need for preview in query if ( is_preview() && get_query_var( 'p' ) && 'publish' == get_post_status( get_query_var( 'p' ) ) ) { if ( ! isset( $_GET['preview_id'] ) || ! isset( $_GET['preview_nonce'] ) || ! wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . (int) $_GET['preview_id'] ) ) { $wp_query->is_preview = false; } } if ( is_trackback() || is_search() || is_comments_popup() || is_admin() || is_preview() || is_robots() || ( $is_IIS && !iis7_supports_permalinks() ) ) { return; } if ( !$requested_url ) { // build the URL in the address bar $requested_url = is_ssl() ? 'https://' : 'http://'; $requested_url .= $_SERVER['HTTP_HOST']; $requested_url .= $_SERVER['REQUEST_URI']; } $original = @parse_url($requested_url); if ( false === $original ) return; // Some PHP setups turn requests for / into /index.php in REQUEST_URI // See: https://core.trac.wordpress.org/ticket/5017 // See: https://core.trac.wordpress.org/ticket/7173 // Disabled, for now: // $original['path'] = preg_replace('|/index\.php$|', '/', $original['path']); $redirect = $original; $redirect_url = false; // Notice fixing if ( !isset($redirect['path']) ) $redirect['path'] = ''; if ( !isset($redirect['query']) ) $redirect['query'] = ''; // If the original URL ended with non-breaking spaces, they were almost // certainly inserted by accident. Let's remove them, so the reader doesn't // see a 404 error with no obvious cause. $redirect['path'] = preg_replace( '|(%C2%A0)+$|i', '', $redirect['path'] ); // It's not a preview, so remove it from URL if ( get_query_var( 'preview' ) ) { $redirect['query'] = remove_query_arg( 'preview', $redirect['query'] ); } if ( is_feed() && ( $id = get_query_var( 'p' ) ) ) { if ( $redirect_url = get_post_comments_feed_link( $id, get_query_var( 'feed' ) ) ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type', 'feed'), $redirect_url ); $redirect['path'] = parse_url( $redirect_url, PHP_URL_PATH ); } } if ( is_singular() && 1 > $wp_query->post_count && ($id = get_query_var('p')) ) { $vars = $wpdb->get_results( $wpdb->prepare("SELECT post_type, post_parent FROM $wpdb->posts WHERE ID = %d", $id) ); if ( isset($vars[0]) && $vars = $vars[0] ) { if ( 'revision' == $vars->post_type && $vars->post_parent > 0 ) $id = $vars->post_parent; if ( $redirect_url = get_permalink($id) ) $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } // These tests give us a WP-generated permalink if ( is_404() ) { // Redirect ?page_id, ?p=, ?attachment_id= to their respective url's $id = max( get_query_var('p'), get_query_var('page_id'), get_query_var('attachment_id') ); if ( $id && $redirect_post = get_post($id) ) { $post_type_obj = get_post_type_object($redirect_post->post_type); if ( $post_type_obj->public ) { $redirect_url = get_permalink($redirect_post); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } if ( get_query_var( 'day' ) && get_query_var( 'monthnum' ) && get_query_var( 'year' ) ) { $year = get_query_var( 'year' ); $month = get_query_var( 'monthnum' ); $day = get_query_var( 'day' ); $date = sprintf( '%04d-%02d-%02d', $year, $month, $day ); if ( ! wp_checkdate( $month, $day, $year, $date ) ) { $redirect_url = get_month_link( $year, $month ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum', 'day' ), $redirect_url ); } } elseif ( get_query_var( 'monthnum' ) && get_query_var( 'year' ) && 12 < get_query_var( 'monthnum' ) ) { $redirect_url = get_year_link( get_query_var( 'year' ) ); $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'year', 'monthnum' ), $redirect_url ); } if ( ! $redirect_url ) { if ( $redirect_url = redirect_guess_404_permalink() ) { $redirect['query'] = _remove_qs_args_if_not_in_url( $redirect['query'], array( 'page', 'feed', 'p', 'page_id', 'attachment_id', 'pagename', 'name', 'post_type' ), $redirect_url ); } } } elseif ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) { // rewriting of old ?p=X, ?m=2004, ?m=200401, ?m=20040101 if ( is_attachment() && !empty($_GET['attachment_id']) && ! $redirect_url ) { if ( $redirect_url = get_attachment_link(get_query_var('attachment_id')) ) $redirect['query'] = remove_query_arg('attachment_id', $redirect['query']); } elseif ( is_single() && !empty($_GET['p']) && ! $redirect_url ) { if ( $redirect_url = get_permalink(get_query_var('p')) ) $redirect['query'] = remove_query_arg(array('p', 'post_type'), $redirect['query']); } elseif ( is_single() && !empty($_GET['name']) && ! $redirect_url ) { if ( $redirect_url = get_permalink( $wp_query->get_queried_object_id() ) ) $redirect['query'] = remove_query_arg('name', $redirect['query']); } elseif ( is_page() && !empty($_GET['page_id']) && ! $redirect_url ) { if ( $redirect_url = get_permalink(get_query_var('page_id')) ) $redirect['query'] = remove_query_arg('page_id', $redirect['query']); } elseif ( is_page() && !is_feed() && isset($wp_query->queried_object) && 'page' == get_option('show_on_front') && $wp_query->queried_object->ID == get_option('page_on_front') && ! $redirect_url ) { $redirect_url = home_url('/'); } elseif ( is_home() && !empty($_GET['page_id']) && 'page' == get_option('show_on_front') && get_query_var('page_id') == get_option('page_for_posts') && ! $redirect_url ) { if ( $redirect_url = get_permalink(get_option('page_for_posts')) ) $redirect['query'] = remove_query_arg('page_id', $redirect['query']); } elseif ( !empty($_GET['m']) && ( is_year() || is_month() || is_day() ) ) { $m = get_query_var('m'); switch ( strlen($m) ) { case 4: // Yearly $redirect_url = get_year_link($m); break; case 6: // Monthly $redirect_url = get_month_link( substr($m, 0, 4), substr($m, 4, 2) ); break; case 8: // Daily $redirect_url = get_day_link(substr($m, 0, 4), substr($m, 4, 2), substr($m, 6, 2)); break; } if ( $redirect_url ) $redirect['query'] = remove_query_arg('m', $redirect['query']); // now moving on to non ?m=X year/month/day links } elseif ( is_day() && get_query_var('year') && get_query_var('monthnum') && !empty($_GET['day']) ) { if ( $redirect_url = get_day_link(get_query_var('year'), get_query_var('monthnum'), get_query_var('day')) ) $redirect['query'] = remove_query_arg(array('year', 'monthnum', 'day'), $redirect['query']); } elseif ( is_month() && get_query_var('year') && !empty($_GET['monthnum']) ) { if ( $redirect_url = get_month_link(get_query_var('year'), get_query_var('monthnum')) ) $redirect['query'] = remove_query_arg(array('year', 'monthnum'), $redirect['query']); } elseif ( is_year() && !empty($_GET['year']) ) { if ( $redirect_url = get_year_link(get_query_var('year')) ) $redirect['query'] = remove_query_arg('year', $redirect['query']); } elseif ( is_author() && !empty($_GET['author']) && preg_match( '|^[0-9]+$|', $_GET['author'] ) ) { $author = get_userdata(get_query_var('author')); if ( ( false !== $author ) && $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE $wpdb->posts.post_author = %d AND $wpdb->posts.post_status = 'publish' LIMIT 1", $author->ID ) ) ) { if ( $redirect_url = get_author_posts_url($author->ID, $author->user_nicename) ) $redirect['query'] = remove_query_arg('author', $redirect['query']); } } elseif ( is_category() || is_tag() || is_tax() ) { // Terms (Tags/categories) $term_count = 0; foreach ( $wp_query->tax_query->queried_terms as $tax_query ) $term_count += count( $tax_query['terms'] ); $obj = $wp_query->get_queried_object(); if ( $term_count <= 1 && !empty($obj->term_id) && ( $tax_url = get_term_link((int)$obj->term_id, $obj->taxonomy) ) && !is_wp_error($tax_url) ) { if ( !empty($redirect['query']) ) { // Strip taxonomy query vars off the url. $qv_remove = array( 'term', 'taxonomy'); if ( is_category() ) { $qv_remove[] = 'category_name'; $qv_remove[] = 'cat'; } elseif ( is_tag() ) { $qv_remove[] = 'tag'; $qv_remove[] = 'tag_id'; } else { // Custom taxonomies will have a custom query var, remove those too: $tax_obj = get_taxonomy( $obj->taxonomy ); if ( false !== $tax_obj->query_var ) $qv_remove[] = $tax_obj->query_var; } $rewrite_vars = array_diff( array_keys($wp_query->query), array_keys($_GET) ); if ( !array_diff($rewrite_vars, array_keys($_GET)) ) { // Check to see if all the Query vars are coming from the rewrite, none are set via $_GET $redirect['query'] = remove_query_arg($qv_remove, $redirect['query']); //Remove all of the per-tax qv's // Create the destination url for this taxonomy $tax_url = parse_url($tax_url); if ( ! empty($tax_url['query']) ) { // Taxonomy accessible via ?taxonomy=..&term=.. or any custom qv.. parse_str($tax_url['query'], $query_vars); $redirect['query'] = add_query_arg($query_vars, $redirect['query']); } else { // Taxonomy is accessible via a "pretty-URL" $redirect['path'] = $tax_url['path']; } } else { // Some query vars are set via $_GET. Unset those from $_GET that exist via the rewrite foreach ( $qv_remove as $_qv ) { if ( isset($rewrite_vars[$_qv]) ) $redirect['query'] = remove_query_arg($_qv, $redirect['query']); } } } } } elseif ( is_single() && strpos($wp_rewrite->permalink_structure, '%category%') !== false && $cat = get_query_var( 'category_name' ) ) { $category = get_category_by_path( $cat ); $post_terms = wp_get_object_terms($wp_query->get_queried_object_id(), 'category', array('fields' => 'tt_ids')); if ( (!$category || is_wp_error($category)) || ( !is_wp_error($post_terms) && !empty($post_terms) && !in_array($category->term_taxonomy_id, $post_terms) ) ) $redirect_url = get_permalink($wp_query->get_queried_object_id()); } // Post Paging if ( is_singular() && ! is_front_page() && get_query_var('page') ) { if ( !$redirect_url ) $redirect_url = get_permalink( get_queried_object_id() ); $redirect_url = trailingslashit( $redirect_url ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' ); $redirect['query'] = remove_query_arg( 'page', $redirect['query'] ); } // paging and feeds if ( get_query_var('paged') || is_feed() || get_query_var('cpage') ) { while ( preg_match( "#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", $redirect['path'] ) || preg_match( '#/(comments/?)?(feed|rss|rdf|atom|rss2)(/+)?$#', $redirect['path'] ) || preg_match( "#/{$wp_rewrite->comments_pagination_base}-[0-9]+(/+)?$#", $redirect['path'] ) ) { // Strip off paging and feed $redirect['path'] = preg_replace("#/$wp_rewrite->pagination_base/?[0-9]+?(/+)?$#", '/', $redirect['path']); // strip off any existing paging $redirect['path'] = preg_replace('#/(comments/?)?(feed|rss2?|rdf|atom)(/+|$)#', '/', $redirect['path']); // strip off feed endings $redirect['path'] = preg_replace("#/{$wp_rewrite->comments_pagination_base}-[0-9]+?(/+)?$#", '/', $redirect['path']); // strip off any existing comment paging } $addl_path = ''; if ( is_feed() && in_array( get_query_var('feed'), $wp_rewrite->feeds ) ) { $addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : ''; if ( !is_singular() && get_query_var( 'withcomments' ) ) $addl_path .= 'comments/'; if ( ( 'rss' == get_default_feed() && 'feed' == get_query_var('feed') ) || 'rss' == get_query_var('feed') ) $addl_path .= user_trailingslashit( 'feed/' . ( ( get_default_feed() == 'rss2' ) ? '' : 'rss2' ), 'feed' ); else $addl_path .= user_trailingslashit( 'feed/' . ( ( get_default_feed() == get_query_var('feed') || 'feed' == get_query_var('feed') ) ? '' : get_query_var('feed') ), 'feed' ); $redirect['query'] = remove_query_arg( 'feed', $redirect['query'] ); } elseif ( is_feed() && 'old' == get_query_var('feed') ) { $old_feed_files = array( 'wp-atom.php' => 'atom', 'wp-commentsrss2.php' => 'comments_rss2', 'wp-feed.php' => get_default_feed(), 'wp-rdf.php' => 'rdf', 'wp-rss.php' => 'rss2', 'wp-rss2.php' => 'rss2', ); if ( isset( $old_feed_files[ basename( $redirect['path'] ) ] ) ) { $redirect_url = get_feed_link( $old_feed_files[ basename( $redirect['path'] ) ] ); wp_redirect( $redirect_url, 301 ); die(); } } if ( get_query_var('paged') > 0 ) { $paged = get_query_var('paged'); $redirect['query'] = remove_query_arg( 'paged', $redirect['query'] ); if ( !is_feed() ) { if ( $paged > 1 && !is_single() ) { $addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit("$wp_rewrite->pagination_base/$paged", 'paged'); } elseif ( !is_single() ) { $addl_path = !empty( $addl_path ) ? trailingslashit($addl_path) : ''; } } elseif ( $paged > 1 ) { $redirect['query'] = add_query_arg( 'paged', $paged, $redirect['query'] ); } } if ( get_option('page_comments') && ( ( 'newest' == get_option('default_comments_page') && get_query_var('cpage') > 0 ) || ( 'newest' != get_option('default_comments_page') && get_query_var('cpage') > 1 ) ) ) { $addl_path = ( !empty( $addl_path ) ? trailingslashit($addl_path) : '' ) . user_trailingslashit( $wp_rewrite->comments_pagination_base . '-' . get_query_var('cpage'), 'commentpaged' ); $redirect['query'] = remove_query_arg( 'cpage', $redirect['query'] ); } $redirect['path'] = user_trailingslashit( preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/?$|', '/', $redirect['path']) ); // strip off trailing /index.php/ if ( !empty( $addl_path ) && $wp_rewrite->using_index_permalinks() && strpos($redirect['path'], '/' . $wp_rewrite->index . '/') === false ) $redirect['path'] = trailingslashit($redirect['path']) . $wp_rewrite->index . '/'; if ( !empty( $addl_path ) ) $redirect['path'] = trailingslashit($redirect['path']) . $addl_path; $redirect_url = $redirect['scheme'] . '://' . $redirect['host'] . $redirect['path']; } if ( 'wp-register.php' == basename( $redirect['path'] ) ) { if ( is_multisite() ) { /** This filter is documented in wp-login.php */ $redirect_url = apply_filters( 'wp_signup_location', network_site_url( 'wp-signup.php' ) ); } else { $redirect_url = site_url( 'wp-login.php?action=register' ); } wp_redirect( $redirect_url, 301 ); die(); } } // tack on any additional query vars $redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] ); if ( $redirect_url && !empty($redirect['query']) ) { parse_str( $redirect['query'], $_parsed_query ); $redirect = @parse_url($redirect_url); if ( ! empty( $_parsed_query['name'] ) && ! empty( $redirect['query'] ) ) { parse_str( $redirect['query'], $_parsed_redirect_query ); if ( empty( $_parsed_redirect_query['name'] ) ) unset( $_parsed_query['name'] ); } $_parsed_query = rawurlencode_deep( $_parsed_query ); $redirect_url = add_query_arg( $_parsed_query, $redirect_url ); } if ( $redirect_url ) $redirect = @parse_url($redirect_url); // www.example.com vs example.com $user_home = @parse_url(home_url()); if ( !empty($user_home['host']) ) $redirect['host'] = $user_home['host']; if ( empty($user_home['path']) ) $user_home['path'] = '/'; // Handle ports if ( !empty($user_home['port']) ) $redirect['port'] = $user_home['port']; else unset($redirect['port']); // trailing /index.php $redirect['path'] = preg_replace('|/' . preg_quote( $wp_rewrite->index, '|' ) . '/*?$|', '/', $redirect['path']); // Remove trailing spaces from the path $redirect['path'] = preg_replace( '#(%20| )+$#', '', $redirect['path'] ); if ( !empty( $redirect['query'] ) ) { // Remove trailing spaces from certain terminating query string args $redirect['query'] = preg_replace( '#((p|page_id|cat|tag)=[^&]*?)(%20| )+$#', '$1', $redirect['query'] ); // Clean up empty query strings $redirect['query'] = trim(preg_replace( '#(^|&)(p|page_id|cat|tag)=?(&|$)#', '&', $redirect['query']), '&'); // Redirect obsolete feeds $redirect['query'] = preg_replace( '#(^|&)feed=rss(&|$)#', '$1feed=rss2$2', $redirect['query'] ); // Remove redundant leading ampersands $redirect['query'] = preg_replace( '#^\??&*?#', '', $redirect['query'] ); } // strip /index.php/ when we're not using PATHINFO permalinks if ( !$wp_rewrite->using_index_permalinks() ) $redirect['path'] = str_replace( '/' . $wp_rewrite->index . '/', '/', $redirect['path'] ); // trailing slashes if ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() && !is_404() && (!is_front_page() || ( is_front_page() && (get_query_var('paged') > 1) ) ) ) { $user_ts_type = ''; if ( get_query_var('paged') > 0 ) { $user_ts_type = 'paged'; } else { foreach ( array('single', 'category', 'page', 'day', 'month', 'year', 'home') as $type ) { $func = 'is_' . $type; if ( call_user_func($func) ) { $user_ts_type = $type; break; } } } $redirect['path'] = user_trailingslashit($redirect['path'], $user_ts_type); } elseif ( is_front_page() ) { $redirect['path'] = trailingslashit($redirect['path']); } // Strip multiple slashes out of the URL if ( strpos($redirect['path'], '//') > -1 ) $redirect['path'] = preg_replace('|/+|', '/', $redirect['path']); // Always trailing slash the Front Page URL if ( trailingslashit( $redirect['path'] ) == trailingslashit( $user_home['path'] ) ) $redirect['path'] = trailingslashit($redirect['path']); // Ignore differences in host capitalization, as this can lead to infinite redirects // Only redirect no-www <=> yes-www if ( strtolower($original['host']) == strtolower($redirect['host']) || ( strtolower($original['host']) != 'www.' . strtolower($redirect['host']) && 'www.' . strtolower($original['host']) != strtolower($redirect['host']) ) ) $redirect['host'] = $original['host']; $compare_original = array( $original['host'], $original['path'] ); if ( !empty( $original['port'] ) ) $compare_original[] = $original['port']; if ( !empty( $original['query'] ) ) $compare_original[] = $original['query']; $compare_redirect = array( $redirect['host'], $redirect['path'] ); if ( !empty( $redirect['port'] ) ) $compare_redirect[] = $redirect['port']; if ( !empty( $redirect['query'] ) ) $compare_redirect[] = $redirect['query']; if ( $compare_original !== $compare_redirect ) { $redirect_url = $redirect['scheme'] . '://' . $redirect['host']; if ( !empty($redirect['port']) ) $redirect_url .= ':' . $redirect['port']; $redirect_url .= $redirect['path']; if ( !empty($redirect['query']) ) $redirect_url .= '?' . $redirect['query']; } if ( ! $redirect_url || $redirect_url == $requested_url ) { return; } // Hex encoded octets are case-insensitive. if ( false !== strpos($requested_url, '%') ) { if ( !function_exists('lowercase_octets') ) { function lowercase_octets($matches) { return strtolower( $matches[0] ); } } $requested_url = preg_replace_callback('|%[a-fA-F0-9][a-fA-F0-9]|', 'lowercase_octets', $requested_url); } /** * Filter the canonical redirect URL. * * Returning false to this filter will cancel the redirect. * * @since 2.3.0 * * @param string $redirect_url The redirect URL. * @param string $requested_url The requested URL. */ $redirect_url = apply_filters( 'redirect_canonical', $redirect_url, $requested_url ); // yes, again -- in case the filter aborted the request if ( ! $redirect_url || $redirect_url == $requested_url ) { return; } if ( $do_redirect ) { // protect against chained redirects if ( !redirect_canonical($redirect_url, false) ) { wp_redirect($redirect_url, 301); exit(); } else { // Debug // die("1: $redirect_url
2: " . redirect_canonical( $redirect_url, false ) ); return; } } else { return $redirect_url; } } /** * Removes arguments from a query string if they are not present in a URL * DO NOT use this in plugin code. * * @since 3.4.0 * @access private * * @param string $query_string * @param array $args_to_check * @param string $url * @return string The altered query string */ function _remove_qs_args_if_not_in_url( $query_string, Array $args_to_check, $url ) { $parsed_url = @parse_url( $url ); if ( ! empty( $parsed_url['query'] ) ) { parse_str( $parsed_url['query'], $parsed_query ); foreach ( $args_to_check as $qv ) { if ( !isset( $parsed_query[$qv] ) ) $query_string = remove_query_arg( $qv, $query_string ); } } else { $query_string = remove_query_arg( $args_to_check, $query_string ); } return $query_string; } /** * Attempts to guess the correct URL based on query vars * * @since 2.3.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global WP_Rewrite $wp_rewrite * * @return false|string The correct URL if one is found. False on failure. */ function redirect_guess_404_permalink() { global $wpdb, $wp_rewrite; if ( get_query_var('name') ) { $where = $wpdb->prepare("post_name LIKE %s", $wpdb->esc_like( get_query_var('name') ) . '%'); // if any of post_type, year, monthnum, or day are set, use them to refine the query if ( get_query_var('post_type') ) $where .= $wpdb->prepare(" AND post_type = %s", get_query_var('post_type')); else $where .= " AND post_type IN ('" . implode( "', '", get_post_types( array( 'public' => true ) ) ) . "')"; if ( get_query_var('year') ) $where .= $wpdb->prepare(" AND YEAR(post_date) = %d", get_query_var('year')); if ( get_query_var('monthnum') ) $where .= $wpdb->prepare(" AND MONTH(post_date) = %d", get_query_var('monthnum')); if ( get_query_var('day') ) $where .= $wpdb->prepare(" AND DAYOFMONTH(post_date) = %d", get_query_var('day')); $post_id = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE $where AND post_status = 'publish'"); if ( ! $post_id ) return false; if ( get_query_var( 'feed' ) ) return get_post_comments_feed_link( $post_id, get_query_var( 'feed' ) ); elseif ( get_query_var( 'page' ) ) return trailingslashit( get_permalink( $post_id ) ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' ); else return get_permalink( $post_id ); } return false; } /** * * @global WP_Rewrite $wp_rewrite */ function wp_redirect_admin_locations() { global $wp_rewrite; if ( ! ( is_404() && $wp_rewrite->using_permalinks() ) ) return; $admins = array( home_url( 'wp-admin', 'relative' ), home_url( 'dashboard', 'relative' ), home_url( 'admin', 'relative' ), site_url( 'dashboard', 'relative' ), site_url( 'admin', 'relative' ), ); if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $admins ) ) { wp_redirect( admin_url() ); exit; } $logins = array( home_url( 'wp-login.php', 'relative' ), home_url( 'login', 'relative' ), site_url( 'login', 'relative' ), ); if ( in_array( untrailingslashit( $_SERVER['REQUEST_URI'] ), $logins ) ) { wp_redirect( site_url( 'wp-login.php', 'login' ) ); exit; } } | セフレが欲しい人の為のセフレ募集サイト【PINK18】

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SocialMediaResearchPaperTopics – Is it a Scam? social media research paper topics

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More over, a handful of hrs of time is going to wish to get assigned to become in a position to exhibit the collages. You will possibly provide them a quick tour of your prior participation in this situation. It requires a whole lot of practice and preparation.

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Such reactions might perfectly switch them brutal. What has cropped within the kingdom is all that lots of internet argumentation was paid off to soundbites and memes as a way to carry the workforce. It takes a whole lot of accuracy and sensitivity.

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The thoughts are all arranged based on the central concept, major particulars and also the encouraging information. It is probably the most effective type of communicating ideas and searching advice. You are ready to include of personal info, whether it’s appropriate.

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If somebody can not afford their personal finances, why do anybody be expecting them to deal with the businessa financing. Excellence in scholarship and service needs to be recognized along with athletic operation. Given that scope adds a degree of sophistication.

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Remember , whatever you select will have a notable impact on the general consequence of this particular own article. There’s no signs to prove they really are true. Attempt to keep in mind it’s always excellent to start out with the free of charge strategy, demo variation, or lesser programs to rate the suitability of the tool in your circumstance.

A parent could have excellent instructional skills, but that doesn’t make her or him a amazing teacher. Plus, the will take a exact clear and precise understanding of the aims of the communicating, as differing types are needed for different functions. There are numerous kinds.

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Descriptive composing allows to get plenty of creative freedom. Thesis statements have to become clear and strong. Effective information also supplies you with the advantage of persuading them.

It’s crucial for pupils to bear in mind this in disagreement there’s no ” proper ” solution. Over the span of this year, he chooses 8 unique courses. The pupils will have supplied a rubric using the complete fundamentals of this project and also what the role of the project is.

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You might want to devote a little of energy and attempt to have that superb subject issue. Thus, there’s a insanity to get money. There are times that you’ve got to acknowledge that some thing is not proper and take care of it.


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