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run code in 300+ PHP versions simultaneously
<?php function format_date($d) { $m = array(); preg_match('/(\d{4})[\.-\/](\d{2})[\.-\/](\d{2})/', $d, $m); if (count($m) == 4) { $d = "$m[2]/$m[3]/$m[1]"; } return $d; } print_r(format_date('2015-01-01')).PHP_EOL; print_r(format_date('2015/01/02')).PHP_EOL; print_r(format_date('2015.01-03')).PHP_EOL;
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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 - 7.0.32, 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
2015-01-0101/02/20152015.01-03
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
2015-01-01 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/69PNr on line 11 01/02/2015 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/69PNr on line 12 2015.01-03 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/69PNr on line 13
preferences:
252.11 ms | 402 KiB | 448 Q