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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 |
|---|---|
| 689 | do_action('wp_print_scripts'); |
| 690 | |
| 691 | if ( !is_a($wp_scripts, 'WP_Scripts') ) |
| 692 | $wp_scripts = new WP_Scripts(); |
| 693 | |
| 694 | script_concat_settings(); |
| 695 | $wp_scripts->do_concat = $concatenate_scripts; |
| 696 | $wp_scripts->do_head_items(); |
| 697 | |
| 698 | if ( apply_filters('print_head_scripts', true) ) |
| 699 | _print_scripts(); |
| 700 | |
| 701 | $wp_scripts->reset(); |
| 702 | return $wp_scripts->done; |
| 703 | } |
| 704 | |
| 705 | /** |
| 706 | * Prints the scripts that were queued for the footer or too late for the HTML head. |
| 707 | * |