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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 |
---|---|
1421 | function get_template_directory() { |
1422 | $template = get_template(); |
1423 | $template_dir = get_theme_root() . "/$template"; |
1424 | return apply_filters('template_directory', $template_dir, $template); |
1425 | } |
1426 |
|
1427 | function get_template_directory_uri() { |
1428 | $template = get_template(); |
1429 | $template_dir_uri = get_theme_root_uri() . "/$template"; |
1430 | return apply_filters('template_directory_uri', $template_dir_uri, $template); |
1431 | } |
1432 |
|
1433 | function get_theme_data($theme_file) { |
1434 | $theme_data = implode('', file($theme_file)); |
1435 | preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name); |
1436 | preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri); |
1437 | preg_match("|Description:(.*)|i", $theme_data, $description); |
1438 | preg_match("|Author:(.*)|i", $theme_data, $author_name); |
1439 | preg_match("|Author URI:(.*)|i", $theme_data, $author_uri); |