3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'Hello '.(new class('world') { public function __construct($hello) { $this->hello = $hello; } })->hello;
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property class@anonymous::$hello is deprecated in /in/0caXm on line 5 Hello world
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Hello world
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.30
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/0caXm on line 3
Process exited with code 255.
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216.35 ms | 402 KiB | 242 Q