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. You cannot use floatval() on arrays or objects.

Return Values

The float value of the given variable.

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範例 1. floatval() Example

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

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intval()
strval()
settype()
Type juggling