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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 |
---|---|
604 | /** |
605 | * Filters the URI for themes directory. |
606 | * |
607 | * @since 1.5.0 |
608 | * |
609 | * @param string $theme_root_uri The URI for themes directory. |
610 | * @param string $siteurl WordPress web address which is set in General Options. |
611 | * @param string $stylesheet_or_template Stylesheet or template name of the theme. |
612 | */ |
613 | return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template ); |
614 | } |
615 |
|
616 | /** |
617 | * Get the raw theme root relative to the content directory with no filters applied. |
618 | * |
619 | * @since 3.1.0 |
620 | * |
621 | * @global array $wp_theme_directories |
622 | * |