3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = array(1,2,3,4,5); function myFunction($key){ return array_key_exists($key, $array); } array_walk_recursive($keys, 'myFunction');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $array in /in/5JTgC on line 6 Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /in/5JTgC:6 Stack trace: #0 [internal function]: myFunction(1, 0) #1 /in/5JTgC(9): array_walk_recursive(Array, 'myFunction') #2 {main} thrown in /in/5JTgC on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, unknown given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, unknown given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, unknown given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, unknown given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, unknown given in /in/5JTgC on line 6
Output for 7.3.32 - 7.3.33
Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6
Output for 5.3.0 - 5.3.29, 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
Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists() expects parameter 2 to be array, null given in /in/5JTgC on line 6
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6 Notice: Undefined variable: array in /in/5JTgC on line 6 Warning: array_key_exists(): The second argument should be either an array or an object in /in/5JTgC on line 6
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_walk_recursive() in /in/5JTgC on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_walk_recursive() in /in/5JTgC on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_walk_recursive() in /in/5JTgC on line 9
preferences:
312.46 ms | 401 KiB | 459 Q