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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 |
|---|---|
| 1593 | } |
| 1594 | |
| 1595 | /** |
| 1596 | * Filters header video settings. |
| 1597 | * |
| 1598 | * @since 4.7.0 |
| 1599 | * |
| 1600 | * @param array $settings An array of header video settings. |
| 1601 | */ |
| 1602 | return apply_filters( 'header_video_settings', $settings ); |
| 1603 | } |
| 1604 | |
| 1605 | /** |
| 1606 | * Checks whether a custom header is set or not. |
| 1607 | * |
| 1608 | * @since 4.7.0 |
| 1609 | * |
| 1610 | * @return bool True if a custom header is set. False if not. |
| 1611 | */ |