3v4l.org

run code in 300+ PHP versions simultaneously
<?php function Store($ipAddress){ global $return; $return="success"; if(is_writable("./tracker/addresses.txt")) { //Skriver datan till filen $myFile = "./tracker/addresses.txt"; $fh = fopen($myFile, 'a') or die("can't open file"); $stringData = $ipAddress; fwrite($fh, $stringData . "\n"); fclose($fh); } else { //File not writeable $return="error"; } //return is used for javascript handling later on - nothing related } ?>
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, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

preferences:
235.77 ms | 405 KiB | 359 Q