3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = [ 'data' => [ 0 => 2678, 1 => 2378, ], 'active' => [ 0 => 866, 1 => 111, ], ]; $fp = fopen('php://stdout', 'w'); fputcsv($fp, array_keys($array)); $array = array_map(null, ...array_values($array)); foreach ($array as $row) { fputcsv($fp, $row); }
Output for 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: fputcsv(): the $escape parameter must be provided as its default value will change in /in/AoRcQ on line 16 data,active Deprecated: fputcsv(): the $escape parameter must be provided as its default value will change in /in/AoRcQ on line 21 2678,866 Deprecated: fputcsv(): the $escape parameter must be provided as its default value will change in /in/AoRcQ on line 21 2378,111
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30
data,active 2678,866 2378,111
preferences:
99.09 ms | 1988 KiB | 4 Q