3v4l.org

run code in 300+ PHP versions simultaneously
<?php $months = array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"); $yes = 0; for ($i = 0; $i < 12; ++$i) { $result = date('m.d.y', strtotime($months[$i])); if ((substr($result, 2)-1) != [$i]) { $correct = "no"; } else { $correct = "yes"; $yes++; } echo (substr($result, 2)-1); //echo $correct . " - " . $result . "\n"; } echo "\n" . $yes . " / 12 correct months."; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.69 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.97 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.69 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.99 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.69 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.99 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.69 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.69 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.99 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.69 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.99 Warning: A non-numeric value encountered in /in/sKmVi on line 8 Warning: A non-numeric value encountered in /in/sKmVi on line 14 -0.69 0 / 12 correct months.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.69 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.97 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.69 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.99 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.69 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.99 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.69 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.69 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.99 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.69 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.99 Notice: A non well formed numeric value encountered in /in/sKmVi on line 8 Notice: A non well formed numeric value encountered in /in/sKmVi on line 14 -0.69 0 / 12 correct months.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.3.32 - 7.3.33, 7.4.26
-0.69-0.97-0.69-0.99-0.69-0.99-0.69-0.69-0.99-0.69-0.99-0.69 0 / 12 correct months.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/sKmVi on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/sKmVi on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sKmVi on line 8
Process exited with code 255.
preferences:
250.02 ms | 401 KiB | 400 Q