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.
Note: If an object is passed to the function, it produce an E_NOTICE level error and return 1.
Examples:
Input : $var = '41.68127E3' Output : 41681.27 Input : $var = '47.129mln' Output : 47.129
Below programs illustrate the use of floatval() function in PHP:
Program 1:
<?php $var = '41.68127E3'; $float_value = floatval($var); echo $float_value; ?> |
Output:
41681.27
Program 2:
<?php $var = '47.129mln'; $float_value = floatval($var); echo $float_value; ?> |
Output:
47.129
