3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (@__DIR__ == '__DIR__') { echo "magic __DIR__ constant NOT defined\r\n"; echo "defining __DIR__ constant\r\n"; define('__DIR__', substr(__FILE__, 0, strrpos(__FILE__, DIRECTORY_SEPARATOR))); } else { echo "magic __DIR__ constant IS defined\r\n"; } echo "result of var_dump(__DIR__):\r\n"; var_dump(__DIR__);

preferences:
71.71 ms | 402 KiB | 5 Q