Online PHP editor | output for OHGXo

<?php class A { const PHONE_NUMBER_LIST_OPTION_TRIM_EXTENSION=0x01; // 0b00000001 const PHONE_NUMBER_LIST_OPTION_ONLY_WITH_EXTENSION=0x03; // 0b00000011 public static function test($options=null) { $options=intval($options); echo "TEST: ".decbin($options)."\n"; var_dump($options&self::PHONE_NUMBER_LIST_OPTION_TRIM_EXTENSION); var_dump($options&self::PHONE_NUMBER_LIST_OPTION_ONLY_WITH_EXTENSION); echo "\n\n"; } } A::test(); A::test(A::PHONE_NUMBER_LIST_OPTION_TRIM_EXTENSION); A::test(A::PHONE_NUMBER_LIST_OPTION_ONLY_WITH_EXTENSION); A::test(A::PHONE_NUMBER_LIST_OPTION_TRIM_EXTENSION&A::PHONE_NUMBER_LIST_OPTION_ONLY_WITH_EXTENSION);