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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
430 | * Filters oEmbed remote get arguments. |
431 | * |
432 | * @since 4.0.0 |
433 | * |
434 | * @see WP_Http::request() |
435 | * |
436 | * @param array $args oEmbed remote get arguments. |
437 | * @param string $url URL to be inspected. |
438 | */ |
439 | $args = apply_filters( 'oembed_remote_get_args', $args, $url ); |
440 |
|
441 | // Fetch URL content |
442 | $request = wp_safe_remote_get( $url, $args ); |
443 | $html = wp_remote_retrieve_body( $request ); |
444 | if ( $html ) { |
445 |
|
446 | /** |
447 | * Filters the link types that contain oEmbed provider URLs. |
448 | * |
Line | Code |
549 | * |
550 | * @param string $provider_url_with_args URL to the provider with full arguments list (url, maxheight, etc.) |
551 | * @param string $format Format to use |
552 | * @return false|object|WP_Error False on failure, otherwise the result in the form of an object. |
553 | */ |
554 | private function _fetch_with_format( $provider_url_with_args, $format ) { |
555 | $provider_url_with_args = add_query_arg( 'format', $format, $provider_url_with_args ); |
556 |
|
557 | /** This filter is documented in wp-includes/class-wp-oembed.php */ |
558 | $args = apply_filters( 'oembed_remote_get_args', array(), $provider_url_with_args ); |
559 |
|
560 | $response = wp_safe_remote_get( $provider_url_with_args, $args ); |
561 | if ( 501 == wp_remote_retrieve_response_code( $response ) ) { |
562 | return new WP_Error( 'not-implemented' ); |
563 | } |
564 | $body = wp_remote_retrieve_body( $response ); |
565 | if ( ! $body ) { |
566 | return false; |
567 | } |