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run code in 300+ PHP versions simultaneously
<?php class A { private static $_count = 0; function __construct() { static::$_count++; } public function __toString(){ return static::$_count . "\n"; } } $a = new A(); $b = new A(); $c = new A(); $d = new A(); echo $a, $b, $c, $d;
Output for git.master, git.master_jit, rfc.property-hooks
4 4 4 4

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