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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 |
|---|---|
| 1718 | |
| 1719 | $wp_query->the_post(); |
| 1720 | } |
| 1721 | |
| 1722 | function get_theme_root() { |
| 1723 | return apply_filters('theme_root', ABSPATH . "wp-content/themes"); |
| 1724 | } |
| 1725 | |
| 1726 | function get_theme_root_uri() { |
| 1727 | return apply_filters('theme_root_uri', get_settings('siteurl') . "/wp-content/themes", get_settings('siteurl')); |
| 1728 | } |
| 1729 | |
| 1730 | function get_stylesheet() { |
| 1731 | return apply_filters('stylesheet', get_settings('stylesheet')); |
| 1732 | } |
| 1733 | |
| 1734 | function get_stylesheet_directory() { |
| 1735 | $stylesheet = get_stylesheet(); |
| 1736 | $stylesheet_dir = get_theme_root() . "/$stylesheet"; |