Diff: STRATO-apps/wordpress_03/app/wp-includes/post-formats.php

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1 + <?php
2 + /**
3 + * Post format functions.
4 + *
5 + * @package WordPress
6 + * @subpackage Post
7 + */
8 +
9 + /**
10 + * Retrieve the format slug for a post
11 + *
12 + * @since 3.1.0
13 + *
14 + * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to the current post in the loop.
15 + * @return string|false The format if successful. False otherwise.
16 + */
17 + function get_post_format( $post = null ) {
18 + $post = get_post( $post );
19 +
20 + if ( ! $post ) {
21 + return false;
22 + }
23 +
24 + if ( ! post_type_supports( $post->post_type, 'post-formats' ) ) {
25 + return false;
26 + }
27 +
28 + $_format = get_the_terms( $post->ID, 'post_format' );
29 +
30 + if ( empty( $_format ) ) {
31 + return false;
32 + }
33 +
34 + $format = reset( $_format );
35 +
36 + return str_replace( 'post-format-', '', $format->slug );
37 + }
38 +
39 + /**
40 + * Check if a post has any of the given formats, or any format.
41 + *
42 + * @since 3.1.0
43 + *
44 + * @param string|string[] $format Optional. The format or formats to check. Default empty array.
45 + * @param WP_Post|int|null $post Optional. The post to check. Defaults to the current post in the loop.
46 + * @return bool True if the post has any of the given formats (or any format, if no format specified),
47 + * false otherwise.
48 + */
49 + function has_post_format( $format = array(), $post = null ) {
50 + $prefixed = array();
51 +
52 + if ( $format ) {
53 + foreach ( (array) $format as $single ) {
54 + $prefixed[] = 'post-format-' . sanitize_key( $single );
55 + }
56 + }
57 +
58 + return has_term( $prefixed, 'post_format', $post );
59 + }
60 +
61 + /**
62 + * Assign a format to a post
63 + *
64 + * @since 3.1.0
65 + *
66 + * @param int|WP_Post $post The post for which to assign a format.
67 + * @param string $format A format to assign. Use an empty string or array to remove all formats from the post.
68 + * @return array|WP_Error|false Array of affected term IDs on success. WP_Error on error.
69 + */
70 + function set_post_format( $post, $format ) {
71 + $post = get_post( $post );
72 +
73 + if ( ! $post ) {
74 + return new WP_Error( 'invalid_post', __( 'Invalid post.' ) );
75 + }
76 +
77 + if ( ! empty( $format ) ) {
78 + $format = sanitize_key( $format );
79 + if ( 'standard' === $format || ! in_array( $format, get_post_format_slugs(), true ) ) {
80 + $format = '';
81 + } else {
82 + $format = 'post-format-' . $format;
83 + }
84 + }
85 +
86 + return wp_set_post_terms( $post->ID, $format, 'post_format' );
87 + }
88 +
89 + /**
90 + * Returns an array of post format slugs to their translated and pretty display versions
91 + *
92 + * @since 3.1.0
93 + *
94 + * @return string[] Array of post format labels keyed by format slug.
95 + */
96 + function get_post_format_strings() {
97 + $strings = array(
98 + 'standard' => _x( 'Standard', 'Post format' ), // Special case. Any value that evals to false will be considered standard.
99 + 'aside' => _x( 'Aside', 'Post format' ),
100 + 'chat' => _x( 'Chat', 'Post format' ),
101 + 'gallery' => _x( 'Gallery', 'Post format' ),
102 + 'link' => _x( 'Link', 'Post format' ),
103 + 'image' => _x( 'Image', 'Post format' ),
104 + 'quote' => _x( 'Quote', 'Post format' ),
105 + 'status' => _x( 'Status', 'Post format' ),
106 + 'video' => _x( 'Video', 'Post format' ),
107 + 'audio' => _x( 'Audio', 'Post format' ),
108 + );
109 + return $strings;
110 + }
111 +
112 + /**
113 + * Retrieves the array of post format slugs.
114 + *
115 + * @since 3.1.0
116 + *
117 + * @return string[] The array of post format slugs as both keys and values.
118 + */
119 + function get_post_format_slugs() {
120 + $slugs = array_keys( get_post_format_strings() );
121 + return array_combine( $slugs, $slugs );
122 + }
123 +
124 + /**
125 + * Returns a pretty, translated version of a post format slug
126 + *
127 + * @since 3.1.0
128 + *
129 + * @param string $slug A post format slug.
130 + * @return string The translated post format name.
131 + */
132 + function get_post_format_string( $slug ) {
133 + $strings = get_post_format_strings();
134 + if ( ! $slug ) {
135 + return $strings['standard'];
136 + } else {
137 + return ( isset( $strings[ $slug ] ) ) ? $strings[ $slug ] : '';
138 + }
139 + }
140 +
141 + /**
142 + * Returns a link to a post format index.
143 + *
144 + * @since 3.1.0
145 + *
146 + * @param string $format The post format slug.
147 + * @return string|WP_Error|false The post format term link.
148 + */
149 + function get_post_format_link( $format ) {
150 + $term = get_term_by( 'slug', 'post-format-' . $format, 'post_format' );
151 + if ( ! $term || is_wp_error( $term ) ) {
152 + return false;
153 + }
154 + return get_term_link( $term );
155 + }
156 +
157 + /**
158 + * Filters the request to allow for the format prefix.
159 + *
160 + * @access private
161 + * @since 3.1.0
162 + *
163 + * @param array $qvs
164 + * @return array
165 + */
166 + function _post_format_request( $qvs ) {
167 + if ( ! isset( $qvs['post_format'] ) ) {
168 + return $qvs;
169 + }
170 + $slugs = get_post_format_slugs();
171 + if ( isset( $slugs[ $qvs['post_format'] ] ) ) {
172 + $qvs['post_format'] = 'post-format-' . $slugs[ $qvs['post_format'] ];
173 + }
174 + $tax = get_taxonomy( 'post_format' );
175 + if ( ! is_admin() ) {
176 + $qvs['post_type'] = $tax->object_type;
177 + }
178 + return $qvs;
179 + }
180 +
181 + /**
182 + * Filters the post format term link to remove the format prefix.
183 + *
184 + * @access private
185 + * @since 3.1.0
186 + *
187 + * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
188 + *
189 + * @param string $link
190 + * @param WP_Term $term
191 + * @param string $taxonomy
192 + * @return string
193 + */
194 + function _post_format_link( $link, $term, $taxonomy ) {
195 + global $wp_rewrite;
196 + if ( 'post_format' !== $taxonomy ) {
197 + return $link;
198 + }
199 + if ( $wp_rewrite->get_extra_permastruct( $taxonomy ) ) {
200 + return str_replace( "/{$term->slug}", '/' . str_replace( 'post-format-', '', $term->slug ), $link );
201 + } else {
202 + $link = remove_query_arg( 'post_format', $link );
203 + return add_query_arg( 'post_format', str_replace( 'post-format-', '', $term->slug ), $link );
204 + }
205 + }
206 +
207 + /**
208 + * Remove the post format prefix from the name property of the term object created by get_term().
209 + *
210 + * @access private
211 + * @since 3.1.0
212 + *
213 + * @param object $term
214 + * @return object
215 + */
216 + function _post_format_get_term( $term ) {
217 + if ( isset( $term->slug ) ) {
218 + $term->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
219 + }
220 + return $term;
221 + }
222 +
223 + /**
224 + * Remove the post format prefix from the name property of the term objects created by get_terms().
225 + *
226 + * @access private
227 + * @since 3.1.0
228 + *
229 + * @param array $terms
230 + * @param string|array $taxonomies
231 + * @param array $args
232 + * @return array
233 + */
234 + function _post_format_get_terms( $terms, $taxonomies, $args ) {
235 + if ( in_array( 'post_format', (array) $taxonomies, true ) ) {
236 + if ( isset( $args['fields'] ) && 'names' === $args['fields'] ) {
237 + foreach ( $terms as $order => $name ) {
238 + $terms[ $order ] = get_post_format_string( str_replace( 'post-format-', '', $name ) );
239 + }
240 + } else {
241 + foreach ( (array) $terms as $order => $term ) {
242 + if ( isset( $term->taxonomy ) && 'post_format' === $term->taxonomy ) {
243 + $terms[ $order ]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
244 + }
245 + }
246 + }
247 + }
248 + return $terms;
249 + }
250 +
251 + /**
252 + * Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
253 + *
254 + * @access private
255 + * @since 3.1.0
256 + *
257 + * @param array $terms
258 + * @return array
259 + */
260 + function _post_format_wp_get_object_terms( $terms ) {
261 + foreach ( (array) $terms as $order => $term ) {
262 + if ( isset( $term->taxonomy ) && 'post_format' === $term->taxonomy ) {
263 + $terms[ $order ]->name = get_post_format_string( str_replace( 'post-format-', '', $term->slug ) );
264 + }
265 + }
266 + return $terms;
267 + }
268 +