3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4); $b = array(5,6); $c = array("a","b","c"); foreach($a as $values) foreach($b as $values2) foreach($c as $values3) echo $values."".$values2."".$values3."\n";
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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
15a 15b 15c 16a 16b 16c 25a 25b 25c 26a 26b 26c 35a 35b 35c 36a 36b 36c 45a 45b 45c 46a 46b 46c
preferences:
313.45 ms | 406 KiB | 466 Q