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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 |
|---|---|
| 3620 | } |
| 3621 | |
| 3622 | /** |
| 3623 | * Filter whether IIS 7+ supports pretty permalinks. |
| 3624 | * |
| 3625 | * @since 2.8.0 |
| 3626 | * |
| 3627 | * @param bool $supports_permalinks Whether IIS7 supports permalinks. Default false. |
| 3628 | */ |
| 3629 | return apply_filters( 'iis7_supports_permalinks', $supports_permalinks ); |
| 3630 | } |
| 3631 | |
| 3632 | /** |
| 3633 | * File validates against allowed set of defined rules. |
| 3634 | * |
| 3635 | * A return value of '1' means that the $file contains either '..' or './'. A |
| 3636 | * return value of '2' means that the $file contains ':' after the first |
| 3637 | * character. A return value of '3' means that the file is not in the allowed |
| 3638 | * files list. |