3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = M_PI; $a = strval($str); $b = (string)$str; $c = "$str"; $d = $str.""; $e = $str; settype($e, "string"); var_dump($a); var_dump($b); var_dump($c); var_dump($d); var_dump($e);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(15) "3.1415926535898" string(15) "3.1415926535898" string(15) "3.1415926535898" string(15) "3.1415926535898" string(15) "3.1415926535898"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(15) "3.1415926535898" string(15) "3.1415926535898" string(15) "3.1415926535898" string(15) "3.1415926535898" string(15) "3.1415926535898"
preferences:
256.89 ms | 402 KiB | 357 Q