3v4l.org

run code in 300+ PHP versions simultaneously
<?php mt_srand(microtime(true)*100000 + memory_get_usage(true)); $var= mt_rand(0, mt_getrandmax()) * 0xFFFFFFFF; $var=(int)$var; echo $var; echo "size: ".PHP_INT_SIZE;
preferences:
31.59 ms | 402 KiB | 5 Q