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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 | * |