PHP floatval(), doubleval() functions

The floatval function is used to get the floating point value of a variable.

floatval cannot be used with arrays or objects.

Version requirements: PHP 4 >= 4.2.0, PHP 5, PHP 7.

doubleval is an alias for floatval.

grammar

 float floatval (mixed $var)

Parameter description:

$var: The variable to be converted, not an array or object.

return value

The float value of variable var.

Example

Example

The execution result is as follows:

 122.34343