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PHP weak type safety issues
- WBOYOriginal
- 2016-07-28 08:26:44893browse
1. Defects caused by Hash comparison
When the hash value starts with 0e, comparing == with the numerical value will cause the system to determine that the hash value is 0, as follows
root@kali:~# php -r "var_dump("0e1234"=="0");"
bool(true)
The above has introduced the weak type security issues of PHP, including aspects of it. I hope it will be helpful to friends who are interested in PHP tutorials.
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