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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 |
|---|---|
| 1499 | } |
| 1500 | |
| 1501 | /** |
| 1502 | * Filters header video settings. |
| 1503 | * |
| 1504 | * @since 4.7.0 |
| 1505 | * |
| 1506 | * @param array $settings An array of header video settings. |
| 1507 | */ |
| 1508 | return apply_filters( 'header_video_settings', $settings ); |
| 1509 | } |
| 1510 | |
| 1511 | /** |
| 1512 | * Check whether a custom header is set or not. |
| 1513 | * |
| 1514 | * @since 4.7.0 |
| 1515 | * |
| 1516 | * @return bool True if a custom header is set. False if not. |
| 1517 | */ |