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Source View: embed_oembed_discover

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
294            * Filters whether to inspect the given URL for discoverable link tags.
295            *
296            * @since 2.9.0
297            * @since 4.4.0 The default value changed to true.
298            *
299            * @see WP_oEmbed::discover()
300            *
301            * @param bool $enable Whether to enable `<link>` tag discovery. Default true.
302            */
303           $attr['discover'] = apply_filters( 'embed_oembed_discover', true );
304
305           // Use oEmbed to get the HTML.
306           $html = wp_oembed_get( $url, $attr );
307
308           if ( $post_id ) {
309                if ( $html ) {
310                     update_post_meta( $post_id, $cachekey, $html );
311                     update_post_meta( $post_id, $cachekey_time, time() );
312                } elseif ( ! $cache ) {