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PHP function to convert numbers to strings of specified length

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Release： 2016-07-25 08:59:49
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Introducing a function that can convert numbers into strings of specified length. Friends in need can refer to it.

Description: This function converts numbers into strings and specifies the length of the string. If the length is not long enough, add 0 on the left side.

The code is as follows: 

<?php
/**
 * 数字转为字符串
 * edit bbs.it-home.org
*/
function num2str($num,$length){
        $num_str = (string)$num;
        $num_strlength = count($num_str);
        if ($length > $num_strlength) {
            $num_str=str_pad($num_str,$length,"0",STR_PAD_LEFT);
        }
        return $num_str;

    }

//调用示例
echo num2str(2,5);
?>
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Related labels：
php数字转换为指定长度字符串的函数
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