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Version.php
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105 lines (98 loc) · 2.49 KB
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<?php
/**
* 版本比对类
* 版本号与数字相互转换,提升版本号比对效率,节省版本号存储空间
*
* @author fdipzone
* @DateTime 2024-07-22 20:15:51
*
*/
class Version
{
/**
* 将版本号转为数字
* 例:1.0.0 -> 10000
*
* @author fdipzone
* @DateTime 2024-07-22 20:19:44
*
* @param string $version 版本号
* @return int
*/
public static function versionToInteger(string $version):int
{
if(!self::validate($version))
{
throw new \Exception('version validate fail');
}
list($major, $minor, $sub) = explode('.', $version);
$version_num = $major * 10000 + $minor * 100 + $sub;
return intval($version_num);
}
/**
* 将数字转为版本号
* 例:10000 -> 1.0.0
*
* @author fdipzone
* @DateTime 2024-07-22 20:20:46
*
* @param int $version_num 版本数字
* @return string
*/
public static function integerToVersion(int $version_num):string
{
if(!is_numeric($version_num))
{
throw new \Exception('version number validate fail');
}
$version = [];
$version[0] = intval($version_num / 10000);
$version[1] = intval($version_num % 10000 / 100);
$version[2] = intval($version_num % 100);
return implode('.', $version);
}
/**
* 验证版本号是否正确
*
* @author fdipzone
* @DateTime 2024-07-22 21:48:49
*
* @param string $version 版本号
* @return boolean
*/
public static function validate(string $version):bool
{
$ret = preg_match('/^[0-9]{1,3}\.[0-9]{1,2}\.[0-9]{1,2}$/', $version);
return $ret? true : false;
}
/**
* 比对两个版本大小
* 0: 版本一致
* 1: 版本1比版本2大
* -1: 版本1比版本2小
*
* @author fdipzone
* @DateTime 2024-07-22 21:56:00
*
* @param string $version1 版本号1
* @param string $version2 版本号2
* @return int
*/
public static function compare(string $version1, string $version2):int
{
$version1_number = self::versionToInteger($version1);
$version2_number = self::versionToInteger($version2);
if($version1_number==$version2_number)
{
return 0;
}
elseif($version1_number>$version2_number)
{
return 1;
}
else
{
return -1;
}
}
}