3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 11; $k1 = 1.1; $k2 = '1,1'; print $x * $k1 . PHP_EOL; print $x * $k2 . PHP_EOL;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
12.1 Warning: A non-numeric value encountered in /in/vMUuQ on line 9 11
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
12.1 Notice: A non well formed numeric value encountered in /in/vMUuQ on line 9 11
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.3.32 - 7.3.33
12.1 11

preferences:
214.17 ms | 402 KiB | 326 Q