PHP abs() Function

PHP Math Reference : Return the absolute value of different numbers

Definition and Usage

The abs() function returns the absolute (positive) value of a number.

abs(number);

Parameter	Description
number	Required. Specifies a number. If the number is of type float, the return type is also float, otherwise it is integer

Return Value:	The absolute value of the number
Return Type:	Float / Integer
PHP Version:	4+

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