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Editing: post-formats.php
<?php /** * Post format functions. * * @package WordPress * @subpackage Post */ /** * Retrieve the format slug for a post * * @since 3.1.0 * * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to the current post in the loop. * @return string|false The format if successful. False otherwise. */ function get_post_format( $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } if ( ! post_type_supports( $post->post_type, 'post-formats' ) ) { return false; } $_format = get_the_terms( $post->ID, 'post_format' ); if ( empty( $_format ) ) { return false; } $format = reset( $_format ); return str_replace( 'post-format-', '', $format->slug ); } /** * Check if a post has any of the given formats, or any format. * * @since 3.1.0 * * @param string|string[] $format Optional. The format or formats to check. Default empty array. * @param WP_Post|int|null $post Optional. The post to check. Defaults to the current post in the loop. * @return bool True if the post has any of the given formats (or any format, if no format specified), * false otherwise. */ function has_post_format( $format = array(), $post = null ) { $prefixed = array(); if ( $format ) { foreach ( (array) $format as $single ) { $prefixed[] = 'post-format-' . sanitize_key( $single ); } } return has_term( $prefixed, 'post_format', $post ); } /** * Assign a format to a post * * @since 3.1.0 * * @param int|WP_Post $post The post for which to assign a format. * @param string $format A format to assign. Use an empty string or array to remove all formats from the post. * @return array|WP_Error|false Array of affected term IDs on success. WP_Error on error. */ function set_post_format( $post, $format ) { $post = get_post( $post ); if ( ! $post ) { return new WP_Error( 'invalid_post', __( 'Invalid post.' ) ); } if ( ! empty( $format ) ) { $format = sanitize_key( $format ); if ( 'standard' === $format || ! in_array( $format, get_post_format_slugs(), true ) ) { $format = ''; } else { $format = 'post-format-' . $format; } } return wp_set_post_terms( $post->ID, $format, 'post_format' ); } /** * Returns an array of post format slugs to their translated and pretty display versions * * @since 3.1.0 * * @return string[] Array of post format labels keyed by format slug. */ function get_post_format_strings() { $strings = array( 'standard' => _x( 'Standard', 'Post format' ), // Special case. Any value that evals to false will be considered standard. 'aside' => _x( 'Aside', 'Post format' ), 'chat' => _x( 'Chat', 'Post format' ), 'gallery' => _x( 'Gallery', 'Post format' ), 'link' => _x( 'Link', 'Post format' ), 'image' => _x( 'Image', 'Post format' ), 'quote' => _x( 'Quote', 'Post format' ), 'status' => _x( 'Status', 'Post format' ), 'video' => _x( 'Video', 'Post format' ), 'audio' => _x( 'Audio', 'Post format' ), ); return $strings; } /** * Retrieves the array of post format slugs. * * @since 3.1.0 * * @return string[] The array of post format slugs as both keys and values. */ function get_post_format_slugs() { $slugs = array_keys( get_post_format_strings() ); return array_combine( $slugs, $slugs ); } /** * Returns a pretty, translated version of a post format slug * * @since 3.1.0 * * @param string $slug A post format slug. * @return string The translated post format name. */ function get_post_format_string( $slug ) { $strings = get_post_format_strings(); if ( ! $slug ) { return $strings['standard']; } else { return $strings[ $slug ] ?? ''; } } /** * Returns a link to a post format index. * * @since 3.1.0 * * @param string $format The post format slug. * @return string|WP_Error|false The post format term link. */ function get_post_format_link( $format ) { $term = get_term_by( 'slug', 'post-format-' . $format, 'post_format' ); if ( ! $term || is_wp_error( $term ) ) { return false; } return get_term_link( $term ); } /** * Filters the request to allow for the format prefix. * * @access private * @since 3.1.0 * * @param array $qvs * @return array */ function _post_format_request( $qvs ) { if ( ! isset( $qvs['post_format'] ) ) { return $qvs; } $slugs = get_post_format_slugs(); if ( isset( $slugs[ $qvs['post_format'] ] ) ) { $qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ]; } $tax = get_taxonomy( 'post_format' ); if ( ! is_admin() ) { $qvs['post_type'] = $tax->object_type; } return $qvs; } /** * Filters the post format term link to remove the format prefix. * * @access private * @since 3.1.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param string $link * @param WP_Term $term * @param string $taxonomy * @return string */ function _post_format_link( $link, $term, $taxonomy ) { global $wp_rewrite; if ( 'post_format' !== $taxonomy ) { return $link; } if ( $wp_rewrite->get_extra_permastruct( $taxonomy ) ) { return str_replace( "/{$term->slug}", '/' . str_replace( 'post-format-', '', $term->slug ), $link ); } else { $link = remove_query_arg( 'post_format', $link ); return add_query_arg( 'post_format', str_replace( 'post-format-', '', $term->slug ), $link ); } } /** * Remove the post format prefix from the name property of the term object created by get_term(). * * @access private * @since 3.1.0 * * @param object $term * @return object */ function _post_format_get_term( $term ) { if ( isset( $term->slug ) ) { $term->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) ); } return $term; } /** * Remove the post format prefix from the name property of the term objects created by get_terms(). * * @access private * @since 3.1.0 * * @param array $terms * @param string|array $taxonomies * @param array $args * @return array */ function _post_format_get_terms( $terms, $taxonomies, $args ) { if ( in_array( 'post_format', (array) $taxonomies, true ) ) { if ( isset( $args['fields'] ) && 'names' === $args['fields'] ) { foreach ( $terms as $order => $name ) { $terms[ $order ] = get_post_format_string( str_replace( 'post-format-', '', $name ) ); } } else { foreach ( (array) $terms as $order => $term ) { if ( isset( $term->taxonomy ) && 'post_format' === $term->taxonomy ) { $terms[ $order ]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) ); } } } } return $terms; } /** * Remove the post format prefix from the name property of the term objects created by wp_get_object_terms(). * * @access private * @since 3.1.0 * * @param array $terms * @return array */ function _post_format_wp_get_object_terms( $terms ) { foreach ( (array) $terms as $order => $term ) { if ( isset( $term->taxonomy ) && 'post_format' === $term->taxonomy ) { $terms[ $order ]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) ); } } return $terms; }
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