3v4l.org

run code in 300+ PHP versions simultaneously
<?php class CString { public static function fun3($str){ return strtoupper($str); } public function fun4($str){ return strtoupper($str); } } class Test { public function fun1(){ echo __FUNCTION__; } public function fun2(){ echo preg_replace_callback('/.*/', function($find){return CString::fun3($find[0]);}, 'test'); } } $cs = new CString; $t = new Test; $t->fun2();

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53.63 ms | 402 KiB | 5 Q