3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = ['Rick', 'Lewi', 'Ferdi', 'Stefan']; $mapping = ['Team1', 'Team2', 'Team3']; $mappingCount = count($mapping); $row = array_fill(0, $mappingCount, null) + $row; var_dump($row);

preferences:
34.95 ms | 402 KiB | 5 Q