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run code in 300+ PHP versions simultaneously
<?php class A { private $fruit = 'pear'; } function getfunc() { $b = function() { $a = function() { return 'apple'; }; echo $a(),"\n"; return $this->fruit; }; $x=$b->bindTo(new A(),"A"); return $x(); } echo getfunc();
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
apple pear

preferences:
236.84 ms | 404 KiB | 371 Q