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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 |
---|---|
901 | * Filters the common arguments supplied when constructing a Customizer setting. |
902 | * |
903 | * @since 3.9.0 |
904 | * |
905 | * @see WP_Customize_Setting |
906 | * |
907 | * @param array $args Array of Customizer setting arguments. |
908 | * @param string $id Widget setting ID. |
909 | */ |
910 | return apply_filters( 'widget_customizer_setting_args', $args, $id ); |
911 | } |
912 |
|
913 | /** |
914 | * Ensures sidebar widget arrays only ever contain widget IDS. |
915 | * |
916 | * Used as the 'sanitize_callback' for each $sidebars_widgets setting. |
917 | * |
918 | * @since 3.9.0 |
919 | * |