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Source View: embed_oembed_discover

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Understanding Source Code

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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
244                 * Filters whether to inspect the given URL for discoverable link tags.
245                 *
246                 * @since 2.9.0
247                 * @since 4.4.0 The default value changed to true.
248                 *
249                 * @see WP_oEmbed::discover()
250                 *
251                 * @param bool $enable Whether to enable `<link>` tag discovery. Default true.
252                 */
253                $attr['discover'] = ( apply_filters( 'embed_oembed_discover', true ) );
254
255                // Use oEmbed to get the HTML
256                $html = wp_oembed_get( $url, $attr );
257
258                // Maybe cache the result
259                if ( $html ) {
260                     update_post_meta( $post_ID, $cachekey, $html );
261                     update_post_meta( $post_ID, $cachekey_time, time() );
262                } elseif ( ! $cache ) {