3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { function __construct() { $template = 'asdksjf123'; //$resault= preg_replace("/([a-z]+)/e", "select('\\1');", $template); $self = $this; $resault = preg_replace_callback("/([a-z]+)([\d]+)/", function($matches) use($self) { return $self->select($matches[1]); }, $template); var_dump($resault); } function select($str) { return $str . '#'; } } new test();

preferences:
49.69 ms | 402 KiB | 5 Q