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<?php class Hoge { private $_name; private $_var; private $_default = "class default"; private function __construct($name) { $this->_name = $name; $this->_var = "set by constructor"; printf("Side effect %s\n", get_class($this)); } } function newInstanceWithoutConstructor($class) { $dummy = "stdClass"; $dried = serialize(new $dummy); $fresh = unserialize(str_replace( strlen($dummy) . ':"' . $dummy . '"', strlen($class) . ':"' . $class . '"', $dried )); return $fresh; } function callPrivateConstructor($obj, $args) { $ref = new ReflectionClass($obj); $m = $ref->getConstructor(); $m->setAccessible(true); $m->invokeArgs($obj, $args); } $a = newInstanceWithoutConstructor("Hoge"); //assert(is_a($a, "Hoge")); var_dump($a); callPrivateConstructor($a, array("foo")); var_dump($a);
Output for 5.3.2 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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 - 8.3.7
object(Hoge)#1 (3) { ["_name":"Hoge":private]=> NULL ["_var":"Hoge":private]=> NULL ["_default":"Hoge":private]=> string(13) "class default" } Side effect Hoge object(Hoge)#1 (3) { ["_name":"Hoge":private]=> string(3) "foo" ["_var":"Hoge":private]=> string(18) "set by constructor" ["_default":"Hoge":private]=> string(13) "class default" }
Output for 5.3.0 - 5.3.1
object(Hoge)#1 (3) { ["_name":"Hoge":private]=> NULL ["_var":"Hoge":private]=> NULL ["_default":"Hoge":private]=> string(13) "class default" } Fatal error: Call to undefined method ReflectionMethod::setAccessible() in /in/XtSmV on line 28
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
object(Hoge)#1 (3) { ["_name:private"]=> NULL ["_var:private"]=> NULL ["_default:private"]=> string(13) "class default" } Fatal error: Call to undefined method ReflectionMethod::setAccessible() in /in/XtSmV on line 28
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XtSmV 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 T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XtSmV on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/XtSmV on line 3
Process exited with code 255.
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