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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 |
|---|---|
| 1062 | * @param string $url The URL that should be inspected for discovery `<link>` tags. |
| 1063 | * @param array $args oEmbed remote get arguments. |
| 1064 | * @return null|string The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. |
| 1065 | * Null if the URL does not belong to the current site. |
| 1066 | */ |
| 1067 | function wp_filter_pre_oembed_result( $result, $url, $args ) { |
| 1068 | $post_id = url_to_postid( $url ); |
| 1069 | |
| 1070 | /** This filter is documented in wp-includes/class-wp-oembed-controller.php */ |
| 1071 | $post_id = apply_filters( 'oembed_request_post_id', $post_id, $url ); |
| 1072 | |
| 1073 | if ( ! $post_id ) { |
| 1074 | return $result; |
| 1075 | } |
| 1076 | |
| 1077 | $width = isset( $args['width'] ) ? $args['width'] : 0; |
| 1078 | |
| 1079 | $data = get_oembed_response_data( $post_id, $width ); |
| 1080 | $data = _wp_oembed_get_object()->data2html( (object) $data, $url ); |