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PHP实现将科学计数法转换为原始数字字符串的方法

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Release: 2016-06-06 20:15:49
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这篇文章主要介绍了PHP实现将科学计数法转换为原始数字字符串的方法,通过一个简单的自定义函数使用正则替换实现该功能,是非常实用的技巧,需要的朋友可以参考下

本文实例讲述了PHP实现将科学计数法转换为原始数字字符串的方法,,分享给大家供大家参考。

具体实现代码如下:

复制代码 代码如下:

function NumToStr($num){
    if (stripos($num,'e')===false) return $num;
    $num = trim(preg_replace('/[=\'"]/','',$num,1),'"');//出现科学计数法,还原成字符串
    $result = "";
    while ($num > 0){
        $v = $num - floor($num / 10)*10;
        $num = floor($num / 10);
        $result   =   $v . $result;
    }
    return $result;
}

希望本文所述对大家的PHP程序设计有所帮助。

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