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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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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.

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()
strval()
settype()
Type juggling

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Another Useful functions:


language.types.float | function.is-float | function.floatval |


PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.