PHP floatval() Function

PHP floatval() Function


The floatval() function is an inbuilt function in PHP which returns the float value of a variable.

Syntax:

float floatval ( $var )

Parameters: This function accepts one parameter which is mandatory and described below:

  • $var: The variable whose corresponding float value will be returned. This variable should not be an object.

Return Value: It returns float value of given variable. Empty array returns 0 and non-empty array returns 1.