3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myArray = array( array( 1, 2, 3, 4, "a" ), array( 'a', "b", 'c', "d", 3 ) ); $csvOutput = ''; foreach($myArray as $key => $row) { $rowString = ''; foreach($row as $key => $col) { $rowString .= '"' . sanitize($col) . '", '; } $csvOutput .= rtrim($rowString, ', '); } echo $csvOutput; function sanitize($input) { return str_replace('"', '""', $input); }
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 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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
"1", "2", "3", "4", "a""a", "b", "c", "d", "3"
preferences:
257.45 ms | 406 KiB | 452 Q