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Home > Backend Development > PHP Tutorial > When the PHP function ip2long converts IP, the value is too large and a negative number is generated_PHP Tutorial

When the PHP function ip2long converts IP, the value is too large and a negative number is generated_PHP Tutorial

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Release： 2016-07-13 17:17:06
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// 使用 sprintf 返回无符号十进制数
$long = sprintf("%u",ip2long($ip));
// 先转换为二进制然后在转换为十进制
$long = bindec(decbin(ip2long($ip)));
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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/626640.htmlTechArticle// Use sprintf to return an unsigned decimal number $long = sprintf("%u",ip2long($ip) );//Convert to binary first and then to decimal $long = bindec(decbin(ip2long($ip)));...
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