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php 二维数组插入
2022-06-23 14:24:00 【xufengnian_boke】
public function arrInsert($arr,$index,$data)
{
$c = count($arr);//总长度
if($c <= $index){
$arr[] = $data;
return $arr;
}
for ($i = ($c - 1);$i>=0;$i--){
//循环转移数组元素
$arr[($i+1)] = $arr[$i];
if($index == $i){
$arr[$i] = $data;
break;
}
}
}
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