Online PHP editor | refs for SS18e

<?php class MyClass { private static $data = array( 'banana', 'cherry', 'apple' ); private static function sort_by_text( $first, $second ) { return strcasecmp( $first, $second ); } public static function sorted_data() { usort( self::$data, array( __CLASS__, 'sort_by_text' ) ); return self::$data; } } print_r( MyClass::sorted_data() ); usort( array( 'banana', 'cherry', 'apple' ), array( __CLASS__, 'sort_by_text' ) );