在PHP中使用小于，大于，gte，lte的关系运算符是否使用类型转换？

Question

Do relational operators like less than, greater than, gte, lte use type conversion? If they do, why are there no strict comparison relational operators like !== or === ?

Answer 1

No, they aren't strict.

They can compare most types against each other, and cast as needed. For instance there's support for string comparisons:

 $true = "a" < "b";

Internally that's zendi_smart_strcmp().

If you want to do strict comparisons, you can just check the types yourself, or cast as needed.