<p>//php数组批量加前缀</p><p><br /></p><p>$tmpAttrValues = ['a', 'b', 'c'];</p><p>$attrName = '6';</p>array_walk($tmpAttrValues, function(&$v, $key, $addAattrName) {$v = $addAattrName.'_'.$v;}, $attrName);<br />print_r($tmpAttrValues);<br />输出结果：<br />Array([0] => 6_a [1] => 6_b [2] => 6_c)<br />