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PHP Tutorial

PHP: floatval() function

Description

The floatval() function is used to convert a value to a float.

Version:

(PHP 4 and above)

Syntax:

floatval (var1)

Parameter:

Name Description Required /
Optional
Type
var1 May be any scalar type. You cannot use floatval() on arrays or objects. Required Mixed*

*Mixed : Mixed indicates that a parameter may accept multiple (but not necessarily all) types.

Return value:

The float value of the given variable.

Value Type: Float.

Example :

?php
$var_name1="122.00,50";
$var_name2="122.00";
$var_name3="122.50";
$var_name4="122,50";
$var_name5="122 50";
$var_name6="0.50";
$var_name7="0,50";
$var_name8="-122.50";
$var_name9="-122,50";
$var_name10="-122 50";
echo floatval($var_name1)."<br>";
echo floatval($var_name2)."<br>";
echo floatval($var_name3)."<br>";
echo floatval($var_name4)."<br>";
echo floatval($var_name5)."<br>";
echo floatval($var_name6)."<br>";
echo floatval($var_name7)."<br>";
echo floatval($var_name8)."<br>";
echo floatval($var_name9)."<br>";
echo floatval($var_name10)."<br>";
?>

Output:

122
122
122.5
122
122
0.5
0
-122.5
-122
-122

View the example in the browser

Practice here online :

See also

PHP Function Reference

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Next: get_defined_vars



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