3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* Default from the book */ $a = range(3,9); foreach ($a as $b) { switch($b) { case 3: $b = 7; case 7: $b = 3; default: // do nothing } } echo implode('-',$a) . PHP_EOL; // Excerpt From: Lorna Mitchell. “Zend Certification Preparation Pack.” iBooks. /* Suggested alternate method from the book */ $a = range(3,9); foreach ($a as $key => $b) { switch($b) { case 3: $a[$key] = 7; case 7: $a[$key] = 3; default: // do nothing } } echo implode('-',$a) - PHP_EOL; /* Second alternate by using $b by reference */ $a = range(3,9); foreach ($a as &$b) { switch($b) { case 3: $b = 7; case 7: $b = 3; default: // do nothing } } echo implode('-',$a);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
3-4-5-6-7-8-9 Warning: A non-numeric value encountered in /in/DddcB on line 35 Fatal error: Uncaught TypeError: Unsupported operand types: string - string in /in/DddcB:35 Stack trace: #0 {main} thrown in /in/DddcB on line 35
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 3-4-5-6-7-8-9 Warning: A non-numeric value encountered in /in/DddcB on line 35 Fatal error: Uncaught TypeError: Unsupported operand types: string - string in /in/DddcB:35 Stack trace: #0 {main} thrown in /in/DddcB on line 35
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
3-4-5-6-7-8-9 Notice: A non well formed numeric value encountered in /in/DddcB on line 35 Warning: A non-numeric value encountered in /in/DddcB on line 35 33-4-5-6-3-8-9
Output for 7.3.32 - 7.3.33
3-4-5-6-7-8-9 Warning: A non-numeric value encountered in /in/DddcB on line 35 33-4-5-6-3-8-9
Output for 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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.4, 7.0.6 - 7.0.20
3-4-5-6-7-8-9 33-4-5-6-3-8-9
Output for 7.0.5
3-4-5-6-7-8-9 33-4-5-6-7-8-9
Output for 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DddcB on line 17 3-4-5-6-7-8-9PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DddcB on line 35 33-4-5-6-3-8-9
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/DddcB on line 41
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/DddcB on line 41
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/DddcB on line 41
Process exited with code 255.
preferences:
258.09 ms | 401 KiB | 348 Q