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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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261 |
|
262 | $post_types = array( 'post', 'page' ); |
263 | /** |
264 | * Filter the array of post types to cache oEmbed results for. |
265 | * |
266 | * @since 2.9.0 |
267 | * |
268 | * @param array $post_types Array of post types to cache oEmbed results for. Default 'post', 'page'. |
269 | */ |
270 | if ( empty($post->ID) || !in_array( $post->post_type, apply_filters( 'embed_cache_oembed_types', $post_types ) ) ) |
271 | return; |
272 |
|
273 | // Trigger a caching |
274 | if ( !empty($post->post_content) ) { |
275 | $this->post_ID = $post->ID; |
276 | $this->usecache = false; |
277 |
|
278 | $content = $this->run_shortcode( $post->post_content ); |
279 | $this->autoembed( $content ); |