3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$a="foo"; //var_dump($a instanceof stdClass); //var_dump("foo" instanceof stdClass); $array1 = array( 'foo' => 'foo', 'bar' => 'bar', ); $array2 = array( 'bar' => 'bar', 'foo' => 'foo', ); var_dump(array_diff($array1, $array2)); // Result: empty array. var_dump($array1 == $array2); // Result: true. var_dump($array1 === $array2); // Result: false. ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(0) { } bool(true) bool(false)
preferences:
210.51 ms | 406 KiB | 314 Q