/* * 二维数组 按某列排序 * array_multisort($arr1,$arr2) * 手册 例子如下 * */ $data[] = array(volume = 67, edition = 2);$data[] = array(volume = 86, edition = 1);$data[] = array(volume = 85, edition = 6);$data[] = array(volume = 98, edition
/*
*/
$data[] = array('volume' => 67, 'edition' => 2);
$data[] = array('volume' => 86, 'edition' => 1);
$data[] = array('volume' => 85, 'edition' => 6);
$data[] = array('volume' => 98, 'edition' => 2);
$data[] = array('volume' => 86, 'edition' => 6);
$data[] = array('volume' => 67, 'edition' => 7);// 取得列的列表
foreach ($data as $key => $row) {
$volume[$key] = $row['volume'];
$edition[$key] = $row['edition'];
}
// 将数据根据 volume 降序排列,根据 edition 升序排列
// 把 $data 作为最后一个参数,以通用键排序
array_multisort($volume, SORT_DESC, $edition, SORT_ASC, $data);function sigcol_arrsort($data,$col,$type=SORT_DESC){
if(is_array($data)){
$i=0;
foreach($data as $k=>$v){
if(key_exists($col,$v)){
$arr[$i] = $v[$col];
$i++;
}else{
continue;
}
}
}else{
return false;
}
array_multisort($arr,$type,$data);
return $data;
}
print_r(sigcol_arrsort($data,'edition',SORT_DESC));运行结果:
7 array('volume' => 67, 'edition' => 7);
6 array('volume' => 86, 'edition' => 6);
6 array('volume' => 85, 'edition' => 6);
2 array('volume' => 98, 'edition' => 2);
2 array('volume' => 67, 'edition' => 2);
1 array('volume' => 86, 'edition' => 1);
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