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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 | |
| 1471 | /** |
| 1472 | * Filters header video settings. |
| 1473 | * |
| 1474 | * @since 4.7.0 |
| 1475 | * |
| 1476 | * @param array $settings An array of header video settings. |
| 1477 | */ |
| 1478 | return apply_filters( 'header_video_settings', $settings ); |
| 1479 | } |
| 1480 | |
| 1481 | /** |
| 1482 | * Check whether a custom header is set or not. |
| 1483 | * |
| 1484 | * @since 4.7.0 |
| 1485 | * |
| 1486 | * @return bool True if a custom header is set. False if not. |
| 1487 | */ |