3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = 'barValue'; protected $baz = 'bazValue'; private $tab = 'tabValue'; } $F = new Foo(); $F = serialize($F); $F = str_replace('tabValue','new_tabValue',$F); $F = unserialize($F); var_dump($F);

preferences:
41.68 ms | 402 KiB | 5 Q