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<?php function a($a) { $a->property = 'newValue'; } $foo = new stdClass; $foo->property = 'foo'; var_dump($foo); a($foo); var_dump($foo);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
object(stdClass)#1 (1) { ["property"]=> string(3) "foo" } object(stdClass)#1 (1) { ["property"]=> string(8) "newValue" }
Output for 4.3.0 - 4.4.9
object(stdClass)(1) { ["property"]=> string(3) "foo" } object(stdClass)(1) { ["property"]=> string(3) "foo" }