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32位系统 或者 32位的php.exe 最大int整数是 var_dump(PHP_INT_MAX) =>  int(2147483647)
crc32函数返回无符号32位整数, 所以赋值给变量可能溢出成负数。
解决方法,返回值转为字符串。 sprintf("%u", crc32($str))" >32位系统 或者 32位的php.exe 最大int整数是 var_dump(PHP_INT_MAX) =>  int(2147483647)
crc32函数返回无符号32位整数, 所以赋值给变量可能溢出成负数。
解决方法,返回值转为字符串。 sprintf("%u", crc32($str))
[PHP]代码   " >[PHP]代码   

php crc32

May 23, 2016 am 08:39 AM
php

32位系统 或者 32位的php.exe 最大int整数是 var_dump(PHP_INT_MAX) =>  int(2147483647)
crc32函数返回无符号32位整数, 所以赋值给变量可能溢出成负数。
解决方法,返回值转为字符串。 sprintf("%u", crc32($str))

[PHP]代码   

 <?php
    sprintf("%u", crc32($str));
 ?>
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