floatval

(PHP 4 >= 4.2.0, PHP 5)

floatval — Get float value of a variable

Description

float floatval ( mixed $var )

Gets the float value of var.

Parameters

var

May be any scalar type. floatval() should not be used on objects, as doing so will emit an E_NOTICE level error and return 1.

Return Values

The float value of the given variable. Empty arrays return 0, non-empty arrays return 1.

Examples

Example #1 floatval() Example

<?php
$var = '122.34343The';
$float_value_of_var = floatval($var);
echo $float_value_of_var; // 122.34343
?>

See Also

• intval() - Get the integer value of a variable
• strval() - Get string value of a variable
• settype() - Set the type of a variable
• Type juggling