Filter hook 'postbox_classes_{$screen_id}_{$box_id}'

Hook Information

Hook Parameters

Usage Examples

<?php
// Hook into postbox_classes_{$screen_id}_{$box_id}
add_filter('postbox_classes_{$screen_id}_{$box_id}', 'my_custom_filter', 10, 1);

function my_custom_filter($classes) {
    // Your custom filtering logic here
    return $classes;
}

Source Code Context

<?php
1436  	 *
1437  	 * @since 3.2.0
1438  	 *
1439  	 * @param string[] $classes An array of postbox classes.
1440  	 */
1441  	$classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes );
1442  
1443  	return implode( ' ', $classes );
1444  }
1445  
1446  /**

PHP Documentation

<?php
/**
	 * Filters the postbox classes for a specific screen and box ID combo.
	 *
	 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to
	 * the screen ID and meta box ID, respectively.
	 *
	 * @since 3.2.0
	 *
	 * @param string[] $classes An array of postbox classes.
	 */