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
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Practice here online :
See also
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Next: get_defined_vars