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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 |
|---|---|
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * Filter the absolute path to the themes directory. |
| 537 | * |
| 538 | * @since 1.5.0 |
| 539 | * |
| 540 | * @param string $theme_root Absolute path to themes directory. |
| 541 | */ |
| 542 | return apply_filters( 'theme_root', $theme_root ); |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Retrieve URI for themes directory. |
| 547 | * |
| 548 | * Does not have trailing slash. |
| 549 | * |
| 550 | * @since 1.5.0 |
| 551 | * |