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<?php function myfuncByVal(stdClass $o) { $o->myproperty = "testByVal"; $o = null; } function myfuncByRef(stdClass &$o) { $o->myproperty = "testByRef"; $o = null; } $willPassByVal = new stdClass(); $willPassByRef = new stdClass(); myFuncByVal($willPassByVal); myFuncBYRef($willPassByRef); var_dump(compact('willPassByVal', 'willPassByRef'));
Output for git.master_jit, git.master
array(2) { ["willPassByVal"]=> object(stdClass)#1 (1) { ["myproperty"]=> string(9) "testByVal" } ["willPassByRef"]=> NULL }

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