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Convert php two-dimensional array to string

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Release： 2016-07-30 13:31:27

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<pre name="code" class="php">//二维数组转化为字符串，中间用,隔开
function arr_to_str($arr){
    foreach ($arr as $v){
        $v = join(",",$v); //可以用implode将一维数组转换为用逗号连接的字符串，join是别名
        $temp[] = $v;
    }
    foreach($temp as $v){
        $t.=$v.",";
    }
    $t=substr($t,0,-1);  //利用字符串截取函数消除最后一个逗号
    return $t;
}

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PS:

substr application

$str = "1,2,3,4,5,6,";
$newstr = substr($str,0,strlen($str)-1);
echo $newstr;

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The function that comes with the system can also achieve this effect, two methods:
1) substr($str, 0, -1);
2)rtrim($ str, ",")

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The above introduces the conversion of two-dimensional arrays into strings in PHP, including aspects of the content. I hope it will be helpful to friends who are interested in PHP tutorials.

Related labels：

foreach quot str substr

source：php.cn

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