3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'abcdefg'; echo "4th char is '$string[3]'"; foreach ($string as $char) { echo "$char\n"; } foreach ((array)$string as $char) { echo "$char\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
4th char is 'd' Warning: foreach() argument must be of type array|object, string given in /in/LLL3M on line 8 abcdefg
Output for 4.3.0 - 4.3.10, 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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
4th char is 'd' Warning: Invalid argument supplied for foreach() in /in/LLL3M on line 8 abcdefg
Output for 4.3.11
4th char is 'd'abcdefg
preferences:
355.32 ms | 401 KiB | 460 Q