Sindbad~EG File Manager

<?php
/**
 * Check if key exist in settings.
 *
 * @param array  $form_options form settings.
 * @param string $category check for category under settings.
 * @param string $field_names check for field name under category.
 * @return boolean
 */
function sfwf_isset_checker( $form_options, $category, $field_names ) {
	$is_field_set = false;
	if ( ! isset( $form_options[ $category ] ) ) {
		return $is_field_set;
	}
	foreach ( $field_names as $field_name ) {
		if ( ! empty( $form_options[ $category ][ $field_name ] ) ) {
			$is_field_set = true;
		}
	}
	return $is_field_set;
}