<?php
$result = 0;
$result2 = 10;
$one = function() { var_dump($result); };
$two = function() use ($result)
{ var_dump($result); };
$three = function() use (&$result)
{ var_dump($result); };
$four = function($r) use (&$result)
{ var_dump($r); };
$result++;
$one(); // outputs NULL: $result is not in scope
$two(); // outputs int(0): $result was copied
$three(); // outputs int(1)
$four($result2);
- 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 $result in /in/MNJfS on line 5
NULL
int(0)
int(1)
int(10)
- 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, 7.4.0 - 7.4.33
- Notice: Undefined variable: result in /in/MNJfS on line 5
NULL
int(0)
int(1)
int(10)
- Output for 7.3.32 - 7.3.33
- NULL
int(0)
int(1)
int(10)
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION in /in/MNJfS on line 5
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 T_FUNCTION in /in/MNJfS on line 5
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/MNJfS on line 5
Process exited with code 255.
preferences:
272.93 ms | 401 KiB | 460 Q