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Source View: customize_save_{$id_base}

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Line Code
529            * Fires when the WP_Customize_Setting::save() method is called.
530            *
531            * The dynamic portion of the hook name, `$id_base` refers to
532            * the base slug of the setting name.
533            *
534            * @since 3.4.0
535            *
536            * @param WP_Customize_Setting $setting WP_Customize_Setting instance.
537            */
538           do_action( "customize_save_{$id_base}", $this );
539
540           $this->update( $value );
541      }
542
543      /**
544       * Fetch and sanitize the $_POST value for the setting.
545       *
546       * During a save request prior to save, post_value() provides the new value while value() does not.
547       *