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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 |
|---|---|
| 581 | } |
| 582 | |
| 583 | /** |
| 584 | * Filters the absolute path to the themes directory. |
| 585 | * |
| 586 | * @since 1.5.0 |
| 587 | * |
| 588 | * @param string $theme_root Absolute path to themes directory. |
| 589 | */ |
| 590 | return apply_filters( 'theme_root', $theme_root ); |
| 591 | } |
| 592 | |
| 593 | /** |
| 594 | * Retrieve URI for themes directory. |
| 595 | * |
| 596 | * Does not have trailing slash. |
| 597 | * |
| 598 | * @since 1.5.0 |
| 599 | * |