3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = pi(); $a = strval($str); $b = (string)$str; $c = "$str"; $d = settype($str, "string"); var_dump($a); var_dump($b); var_dump($c); var_dump($d); $p = M_PI; echo gettype($p);

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47.99 ms | 402 KiB | 5 Q