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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 |
|---|---|
| 79 | |
| 80 | /** |
| 81 | * Prints scripts and data queued for the footer. |
| 82 | * |
| 83 | * The dynamic portion of the hook name, `$hook_suffix`, |
| 84 | * refers to the global hook suffix of the current page. |
| 85 | * |
| 86 | * @since 4.6.0 |
| 87 | */ |
| 88 | do_action( "admin_print_footer_scripts-{$hook_suffix}" ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 89 | |
| 90 | /** |
| 91 | * Prints any scripts and data queued for the footer. |
| 92 | * |
| 93 | * @since 2.8.0 |
| 94 | */ |
| 95 | do_action( 'admin_print_footer_scripts' ); |
| 96 | |
| 97 | /** |