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<?php function someObjectFunction($o) { $o->prop = 'test2'; } $o = new stdClass(); $o->prop = 'test'; someObjectFunction($o); var_dump($o); function someArrayFunction($a) { $a['prop'] = 'test2'; } $a = []; $a['prop'] = 'test'; someArrayFunction($a); var_dump($a);

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