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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 |
|---|---|
| 1761 | function get_template_directory() { |
| 1762 | $template = get_template(); |
| 1763 | $template_dir = get_theme_root() . "/$template"; |
| 1764 | return apply_filters('template_directory', $template_dir, $template); |
| 1765 | } |
| 1766 | |
| 1767 | function get_template_directory_uri() { |
| 1768 | $template = get_template(); |
| 1769 | $template_dir_uri = get_theme_root_uri() . "/$template"; |
| 1770 | return apply_filters('template_directory_uri', $template_dir_uri, $template); |
| 1771 | } |
| 1772 | |
| 1773 | function get_theme_data($theme_file) { |
| 1774 | $theme_data = implode('', file($theme_file)); |
| 1775 | preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name); |
| 1776 | preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri); |
| 1777 | preg_match("|Description:(.*)|i", $theme_data, $description); |
| 1778 | preg_match("|Author:(.*)|i", $theme_data, $author_name); |
| 1779 | preg_match("|Author URI:(.*)|i", $theme_data, $author_uri); |