Which is the comparison operator in php?

Comparison operators in PHP are used to compare the equality or size relationship of values, including: equal to (==) not equal to (!=) greater than (>) less than (<) greater than or equal to ( >=) Less than or equal to (<=) Constantly equal to (===) Not equal to (!==)

PHP Comparison operators

Comparison operators are used to compare whether two values ​​are equal or have a size relationship. In PHP, comparison operators include:

1. Equal (==)
Compares two values ​​for equality, regardless of data type.

2. Not equal to (!=)
Compares whether two values ​​are not equal, regardless of data type.

3. Greater than (>)
Compares two values ​​and returns true if the value on the left is greater than the value on the right.

4. Less than (<)
Compares two values ​​and returns true if the value on the left is smaller than the value on the right.

5. Greater than or equal to (>=)
Compares two values ​​and returns true if the value on the left is greater than or equal to the value on the right.

6. Less than or equal to (<=)
Compares two values ​​and returns true if the value on the left is smaller or equal to the value on the right.

7. Identity (===)
Compares whether two values ​​are completely equal, including data type and value.

8. Not equal to (!==)
Compares whether two values ​​are not completely equal, including data type and value.

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