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run code in 300+ PHP versions simultaneously
<?php class Foo { public $foo = 'foo'; protected $bar = 'two'; private $baz = 'three'; } $b = (array) new Foo(); echo $b[''];
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "" in /in/7lr3M on line 11

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