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Editor to share with you which operator is not equal to php, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

There are three kinds of unequal operators in php, namely: 1,! = symbol, which is used to compare the values of two variables; 2, symbol, which means not equal, the same as! = symbol; 3,! = = symbol, which means absolutely not equal, and returns true if the values of two variables are different or their types are different.

This article operating environment: Windows7 system, PHP7.1, Dell G3 computer.

The unequal operator in php is! =,! = =.

Take a look at an example:

X! = y: not equal to, if x is not equal to y, return true 5 times 8 return true

X y: not equal to, if x is not equal to y, return true 58 return true

X! = = y: absolutely not equal, if x is not equal to y, or if they are of different types, return true 5 equal to "5" return true.

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