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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 |
|---|---|
| 668 | $wp =& new WP(); |
| 669 | |
| 670 | /** |
| 671 | * WordPress Widget Factory Object |
| 672 | * @global object $wp_widget_factory |
| 673 | * @since 2.8.0 |
| 674 | */ |
| 675 | $wp_widget_factory =& new WP_Widget_Factory(); |
| 676 | |
| 677 | do_action('setup_theme'); |
| 678 | |
| 679 | /** |
| 680 | * Web Path to the current active template directory |
| 681 | * @since 1.5.0 |
| 682 | */ |
| 683 | define('TEMPLATEPATH', get_template_directory()); |
| 684 | |
| 685 | /** |
| 686 | * Web Path to the current active template stylesheet directory |