3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar; } $foo = new Foo; $arr = array("", " ", FALSE, TRUE, array(), NULL, "0", 0, 0.0, new stdClass, $foo, $foo->bar, "\0"); foreach($arr as $val){ var_dump($val); }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(0) "" string(1) " " bool(false) bool(true) array(0) { } NULL string(1) "0" int(0) float(0) object(stdClass)#2 (0) { } object(Foo)#1 (1) { ["bar"]=> NULL } NULL string(1) ""
preferences:
226.29 ms | 404 KiB | 271 Q