3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ implode(';', [1,2,3]), implode(';', [4,5,6]), implode(';', [7,8,9]), ]; print_r($a); echo implode(';', $a); echo PHP_EOL; echo implode(',', $a);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => 1;2;3 [1] => 4;5;6 [2] => 7;8;9 ) 1;2;3;4;5;6;7;8;9 1;2;3,4;5;6,7;8;9
preferences:
108 ms | 407 KiB | 5 Q