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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 |
|---|---|
| 68 | do_action('admin_print_footer_scripts'); |
| 69 | |
| 70 | /** |
| 71 | * Print scripts or data after the default footer scripts. |
| 72 | * |
| 73 | * @since 2.8.0 |
| 74 | * |
| 75 | * @param string $GLOBALS['hook_suffix'] The current admin page. |
| 76 | */ |
| 77 | do_action("admin_footer-" . $GLOBALS['hook_suffix']); |
| 78 | |
| 79 | // get_site_option() won't exist when auto upgrading from <= 2.7 |
| 80 | if ( function_exists('get_site_option') ) { |
| 81 | if ( false === get_site_option('can_compress_scripts') ) |
| 82 | compression_test(); |
| 83 | } |
| 84 | |
| 85 | ?> |
| 86 | |