php对数组中的值进行排序

案例 <?php $a = array('1124','1125','1126'); $s1 = 1124; $s2 = 1125; $ks1 = array_search($s1,$a); $ks2 = array_search($s2,$a); $a[$ks1] = $s2; $a[$ks2] = $s1; print_r($a); ?> 应用 $current_id = $this->_r

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