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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 |
|---|---|
| 2442 | * Filter the video embed output. |
| 2443 | * |
| 2444 | * @since 3.6.0 |
| 2445 | * |
| 2446 | * @param string $video Video embed output. |
| 2447 | * @param array $attr An array of embed attributes. |
| 2448 | * @param string $url The original URL that was matched by the regex. |
| 2449 | * @param array $rawattr The original unmodified attributes. |
| 2450 | */ |
| 2451 | return apply_filters( 'wp_embed_handler_video', $video, $attr, $url, $rawattr ); |
| 2452 | } |
| 2453 | |
| 2454 | /** |
| 2455 | * Converts a shorthand byte value to an integer byte value. |
| 2456 | * |
| 2457 | * @since 2.3.0 |
| 2458 | * |
| 2459 | * @param string $size A shorthand byte value. |
| 2460 | * @return int An integer byte value. |