3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['a', 'b', 'c']; $quoted = array_map($a, function($e) { return "'".$e."'";}); echo implode(",", $quaoted);
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, array callback must have exactly two members in /in/kLf2C:3 Stack trace: #0 /in/kLf2C(3): array_map(Array, Object(Closure)) #1 {main} thrown in /in/kLf2C on line 3
Process exited with code 255.
Output for 8.1.0 - 8.1.27
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, array must have exactly two members in /in/kLf2C:3 Stack trace: #0 /in/kLf2C(3): array_map(Array, Object(Closure)) #1 {main} thrown in /in/kLf2C on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback, array must have exactly two members in /in/kLf2C:3 Stack trace: #0 /in/kLf2C(3): array_map(Array, Object(Closure)) #1 {main} thrown in /in/kLf2C on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Warning: array_map() expects parameter 1 to be a valid callback, array must have exactly two members in /in/kLf2C on line 3 Notice: Undefined variable: quaoted in /in/kLf2C on line 4 Warning: implode(): Invalid arguments passed in /in/kLf2C on line 4
Output for 7.3.32 - 7.3.33
Warning: array_map() expects parameter 1 to be a valid callback, array must have exactly two members in /in/kLf2C on line 3 Warning: implode(): Invalid arguments passed in /in/kLf2C on line 4
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/kLf2C on line 2
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/kLf2C on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kLf2C on line 2
Process exited with code 255.

preferences:
319.57 ms | 401 KiB | 455 Q