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<?php echo "<pre>"; $activeSkillList = new ArrayObject(); $activeSkillList['U1_1021002'] = array('refCardId'=> 'U1_1021002'); $activeSkillList['U3_1052005'] = array('refCardId'=> 'U3_1052005'); print_r($activeSkillList); $activeSkillList->uasort(function($skill1, $skill2) { return strcmp($skill1['refCardId'],$skill2['refCardId']); }); $tmp = $activeSkillList->getArrayCopy(); print_r($tmp); foreach($tmp as $key => $value) { $tmp[$key]['1111'] = 44; } print_r($tmp);

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