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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 |
|---|---|
| 2223 | * Filter the audio embed output. |
| 2224 | * |
| 2225 | * @since 3.6.0 |
| 2226 | * |
| 2227 | * @param string $audio Audio embed output. |
| 2228 | * @param array $attr An array of embed attributes. |
| 2229 | * @param string $url The original URL that was matched by the regex. |
| 2230 | * @param array $rawattr The original unmodified attributes. |
| 2231 | */ |
| 2232 | return apply_filters( 'wp_embed_handler_audio', $audio, $attr, $url, $rawattr ); |
| 2233 | } |
| 2234 | |
| 2235 | /** |
| 2236 | * Video embed handler callback. |
| 2237 | * |
| 2238 | * @since 3.6.0 |
| 2239 | * |
| 2240 | * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}. |
| 2241 | * @param array $attr Embed attributes. |