WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 212 | * @since 2.9.0 |
| 213 | * |
| 214 | * @see WP_Embed::shortcode() |
| 215 | * |
| 216 | * @param mixed $cache The cached HTML result, stored in post meta. |
| 217 | * @param string $url The attempted embed URL. |
| 218 | * @param array $attr An array of shortcode attributes. |
| 219 | * @param int $post_ID Post ID. |
| 220 | */ |
| 221 | return apply_filters( 'embed_oembed_html', $cache, $url, $attr, $post_ID ); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Filter whether to inspect the given URL for discoverable link tags. |
| 227 | * |
| 228 | * @since 2.9.0 |
| 229 | * |
| 230 | * @see WP_oEmbed::discover() |
| Line | Code |
| 241 | update_post_meta( $post_ID, $cachekey, $html ); |
| 242 | update_post_meta( $post_ID, $cachekey_time, time() ); |
| 243 | } elseif ( ! $cache ) { |
| 244 | update_post_meta( $post_ID, $cachekey, '{{unknown}}' ); |
| 245 | } |
| 246 | |
| 247 | // If there was a result, return it |
| 248 | if ( $html ) { |
| 249 | /** This filter is documented in wp-includes/class-wp-embed.php */ |
| 250 | return apply_filters( 'embed_oembed_html', $html, $url, $attr, $post_ID ); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | // Still unknown |
| 255 | return $this->maybe_make_link( $url ); |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Delete all oEmbed caches. Unused by core as of 4.0.0. |