<?php // investigating closures in closures
$f = function() {
$p = 'p';
return static function() {
return $p;
};
};
$g = static function() {
static $p = 'p';
return static function() {
return $p;
};
};
$n = $f();
$m = $g();
var_dump( $n());
- 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 $p in /in/aFg8e on line 6
NULL
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- Notice: Undefined variable: p in /in/aFg8e on line 6
NULL
- Output for 7.3.32 - 7.3.33
- NULL
- Output for 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected T_FUNCTION, expecting T_PAAMAYIM_NEKUDOTAYIM in /in/aFg8e on line 5
Process exited with code 255. - 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/aFg8e on line 3
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/aFg8e on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/aFg8e on line 3
Process exited with code 255.
preferences:
285.05 ms | 401 KiB | 425 Q