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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 |
|---|---|
| 482 | * |
| 483 | * Does not have trailing slash. |
| 484 | * |
| 485 | * @since 1.5.0 |
| 486 | * @uses apply_filters() Calls 'theme_root' filter on path. |
| 487 | * |
| 488 | * @return string Theme path. |
| 489 | */ |
| 490 | function get_theme_root() { |
| 491 | return apply_filters('theme_root', WP_CONTENT_DIR . "/themes"); |
| 492 | } |
| 493 | |
| 494 | /** |
| 495 | * Retrieve URI for themes directory. |
| 496 | * |
| 497 | * Does not have trailing slash. |
| 498 | * |
| 499 | * @since 1.5.0 |
| 500 | * |