PHP floatval() Function
PHP floatval() Function
The floatval() function in PHP is used to give the float value of a variable.
Syntax
floatval ( mixed $var )
Parameter
var(required)- This parameter represents the name of the variable that is to be converted.
Return
This function returns the float value of the given variable.
If the var is initialized with empty arrays, it returns 0 else for non-empty arrays it returns 1. The strings will most likely return 0 although this depends on the leftmost characters of the string.
Example 1
Output
The variable: 417.209mln After the floatval() function New Variable: 417.209
Example 2
Output
The variable: The417.209mln After the floatval() function New Variable: 0
Example 3
Output
The variable: After the floatval() function New Variable: 0
Example 4
Output
The variable: !@#$% After the floatval() function New Variable: 0
Example 5
Output
The variable: 123.00000001 After the floatval() function New Variable: 123.00000001