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This article mainly explains "what is referred to in php". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what does php refer to".

In php, "" means "not equal", is a comparison operator, syntax "Operand 1 Operand 2", used to compare the values of the two operands are not equal; in the comparison, the data type will be converted, if after type conversion, the value of Operand 1 and Operand 2 are not equal, then return TRUE, otherwise return FALSE.

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, "" means "not equal" and is a comparison operator.

Syntax format:

Operand 1 Operand 2

The "" operator does the same thing as! =, and you can compare whether the values of the two operands are not equal.

The "" operator simply compares the values of the two operands; therefore, when comparing, the data type is converted.

If the value of Operand 1 and Operand 2 are not equal after type conversion, TRUE is returned, otherwise FALSE is returned.

Example:

In the above example, the variable $an is 10 of the numeric type, while the value of the variable $b is 10 of the string. The two variables are of different types, but the values are equal.

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