@ 2013-10-30T01:11:57Z <?php
trait Stuff { function __invoke() { return 'I am ' . get_class($this) . '.'; } }
class Thing { function __invoke() { return 'I am Thing.'; } }
class Thang { use Stuff; }
$things[] = function () { return 'I am Thong.'; };
$things[] = new Thing;
$things[] = new Thang;
$things[] = 'strlen';
$things[] = [$things[0], '__invoke'];
$things[] = [$things[1], '__invoke'];
var_dump(array_map('is_callable', $things));
var_dump(array_map(function ($thing) { return is_object($thing) && method_exists($thing, '__invoke'); }));
var_dump(array_map(function ($thing) { return is_callable($thing, '__invoke') && !is_string($thing); }));
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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 array(6) {
[0]=>
bool(true)
[1]=>
bool(true)
[2]=>
bool(true)
[3]=>
bool(true)
[4]=>
bool(true)
[5]=>
bool(true)
}
Fatal error: Uncaught ArgumentCountError: array_map() expects at least 2 arguments, 1 given in /in/P1AN7:14
Stack trace:
#0 /in/P1AN7(14): array_map(Object(Closure))
#1 {main}
thrown in /in/P1AN7 on line 14
Process exited with code 255 . Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.38 , 7.0.0 - 7.0.31 , 7.1.0 - 7.1.23 , 7.2.0 - 7.2.33 , 7.3.12 - 7.3.33 , 7.4.0 - 7.4.33 array(6) {
[0]=>
bool(true)
[1]=>
bool(true)
[2]=>
bool(true)
[3]=>
bool(true)
[4]=>
bool(true)
[5]=>
bool(true)
}
Warning: array_map() expects at least 2 parameters, 1 given in /in/P1AN7 on line 14
NULL
Warning: array_map() expects at least 2 parameters, 1 given in /in/P1AN7 on line 15
NULL
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 T_STRING in /in/P1AN7 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_STRING in /in/P1AN7 on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error in /in/P1AN7 on line 3
Process exited with code 255 . preferences:dark mode live preview
328.03 ms | 401 KiB | 417 Q