3v4l.org

run code in 500+ PHP versions simultaneously
<?php $_GET['parameterName'] = 'foo'; $_GET = new ArrayObject($_GET); $_GET->setFlags(ArrayObject::STD_PROP_LIST | ArrayObject::ARRAY_AS_PROPS); echo $_GET->parameterName.PHP_EOL; echo $_GET['parameterName'].PHP_EOL; foreach ($_GET as $key => $value) { echo $key.' => '.$value.PHP_EOL; }
Output for 5.6.38, 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
foo foo parameterName => foo
preferences:
109.63 ms | 1605 KiB | 4 Q