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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 |
|---|---|
| 900 | * For a dynamic setting to be registered, this filter must be employed |
| 901 | * to override the default false value with an array of args to pass to |
| 902 | * the WP_Customize_Setting constructor. |
| 903 | * |
| 904 | * @since 4.2.0 |
| 905 | * |
| 906 | * @param false|array $setting_args The arguments to the WP_Customize_Setting constructor. |
| 907 | * @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`. |
| 908 | */ |
| 909 | $setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id ); |
| 910 | if ( false === $setting_args ) { |
| 911 | continue; |
| 912 | } |
| 913 | |
| 914 | /** |
| 915 | * Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass. |
| 916 | * |
| 917 | * @since 4.2.0 |
| 918 | * |