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run code in 300+ PHP versions simultaneously
<?php class Test { private $var = 1; public function fun1(){ return $this->var++; } public function fun2(){ echo preg_replace_callback('/.*/', function($find){var_dump($find); return $this->fun1().$find[0];}, 't'); } } $t = new Test; $t->fun2(); echo 3;

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