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Home > Backend Development > PHP Tutorial > Why does php strpos not found and need to use ===false to make a judgment?

Why does php strpos not found and need to use ===false to make a judgment?

巴扎黑
Release： 2016-11-10 13:21:59
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2207 people have browsed it

If the corresponding substring is not found in this string, it will return false

If this substring is located at the beginning of the string, it will return 0

In order to distinguish 0 and false, you must use the equality operator === Or! ==


Related labels：
php php strpos 为什么没找到要用 ===false 做判断
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