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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 |
|---|---|
| 1683 | function get_template_directory() { |
| 1684 | $template = get_template(); |
| 1685 | $template_dir = get_theme_root() . "/$template"; |
| 1686 | return apply_filters('template_directory', $template_dir, $template); |
| 1687 | } |
| 1688 | |
| 1689 | function get_template_directory_uri() { |
| 1690 | $template = get_template(); |
| 1691 | $template_dir_uri = get_theme_root_uri() . "/$template"; |
| 1692 | return apply_filters('template_directory_uri', $template_dir_uri, $template); |
| 1693 | } |
| 1694 | |
| 1695 | function get_theme_data($theme_file) { |
| 1696 | $theme_data = implode('', file($theme_file)); |
| 1697 | preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name); |
| 1698 | preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri); |
| 1699 | preg_match("|Description:(.*)|i", $theme_data, $description); |
| 1700 | preg_match("|Author:(.*)|i", $theme_data, $author_name); |
| 1701 | preg_match("|Author URI:(.*)|i", $theme_data, $author_uri); |