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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 |
|---|---|
| 899 | * Filters the common arguments supplied when constructing a Customizer setting. |
| 900 | * |
| 901 | * @since 3.9.0 |
| 902 | * |
| 903 | * @see WP_Customize_Setting |
| 904 | * |
| 905 | * @param array $args Array of Customizer setting arguments. |
| 906 | * @param string $id Widget setting ID. |
| 907 | */ |
| 908 | return apply_filters( 'widget_customizer_setting_args', $args, $id ); |
| 909 | } |
| 910 | |
| 911 | /** |
| 912 | * Ensures sidebar widget arrays only ever contain widget IDS. |
| 913 | * |
| 914 | * Used as the 'sanitize_callback' for each $sidebars_widgets setting. |
| 915 | * |
| 916 | * @since 3.9.0 |
| 917 | * |