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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 |
|---|---|
| 2329 | * Filter the audio embed output. |
| 2330 | * |
| 2331 | * @since 3.6.0 |
| 2332 | * |
| 2333 | * @param string $audio Audio embed output. |
| 2334 | * @param array $attr An array of embed attributes. |
| 2335 | * @param string $url The original URL that was matched by the regex. |
| 2336 | * @param array $rawattr The original unmodified attributes. |
| 2337 | */ |
| 2338 | return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr ); |
| 2339 | } |
| 2340 | |
| 2341 | /** |
| 2342 | * Video embed handler callback. |
| 2343 | * |
| 2344 | * @since 3.6.0 |
| 2345 | * |
| 2346 | * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}. |
| 2347 | * @param array $attr Embed attributes. |