3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = [2, 4, 6]; $d = [foreach ($list as $x) yield $x * $x];
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected 'foreach' (T_FOREACH), expecting ']' in /in/T0AiK on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/T0AiK on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/T0AiK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/T0AiK on line 3
Process exited with code 255.
preferences:
238.95 ms | 1395 KiB | 122 Q