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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 |
|---|---|
| 1469 | * |
| 1470 | * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}. |
| 1471 | * @param array $attr Embed attributes. |
| 1472 | * @param string $url The original URL that was matched by the regex. |
| 1473 | * @param array $rawattr The original unmodified attributes. |
| 1474 | * @return string The embed HTML. |
| 1475 | */ |
| 1476 | function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) { |
| 1477 | $audio = sprintf( '[audio src="%s" /]', esc_url( $url ) ); |
| 1478 | return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr ); |
| 1479 | } |
| 1480 | |
| 1481 | /** |
| 1482 | * Video embed handler callback. |
| 1483 | * |
| 1484 | * @since 3.6.0 |
| 1485 | * |
| 1486 | * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}. |
| 1487 | * @param array $attr Embed attributes. |