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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 |
|---|---|
| 771 | /** |
| 772 | * Fires before a template file is loaded. |
| 773 | * |
| 774 | * @since 6.1.0 |
| 775 | * |
| 776 | * @param string $_template_file The full path to the template file. |
| 777 | * @param bool $require_once Whether to require_once or require. |
| 778 | * @param array $args Additional arguments passed to the template. |
| 779 | */ |
| 780 | do_action( 'wp_before_load_template', $_template_file, $require_once, $args ); |
| 781 | |
| 782 | if ( $require_once ) { |
| 783 | require_once $_template_file; |
| 784 | } else { |
| 785 | require $_template_file; |
| 786 | } |
| 787 | |
| 788 | /** |
| 789 | * Fires after a template file is loaded. |