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When the PHP function ip2long converts IP, the value is too large and a negative number is generated_PHP Tutorial
- WBOYOriginal
- 2016-07-13 17:17:061089browse
// 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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