@ 2014-06-09T13:32:10Z <?php
function registerCallback(callable $method) {
// do something with $method
var_dump($method);
$method();
}
class A {
public function __construct() {
registerCallback([$this, "cb"]);
}
public function cb() {
// do somethin upon being invoked
echo "CB called";
}
}
new A();
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Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 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(2) {
[0]=>
object(A)#1 (0) {
}
[1]=>
string(2) "cb"
}
CB called Output for 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 Parse error: syntax error, unexpected '[', expecting ')' in /in/m2qJW on line 13
Process exited with code 255 . Output for 5.0.0 - 5.0.5 Parse error: parse error, unexpected '[', expecting ')' in /in/m2qJW on line 13
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/m2qJW 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 Parse error: parse error, unexpected T_STRING, expecting ')' in /in/m2qJW on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error, expecting `')'' in /in/m2qJW on line 3
Process exited with code 255 . preferences:dark mode live preview
239.77 ms | 401 KiB | 400 Q