PHP doubleval() Function
❮ PHP Variable Handling Reference
Example
Return the float value of different variables:
<?php
$a = "1234.56789";
echo doubleval($a) . "<br>";
$b =
"1234.56789Hello";
echo doubleval($b) . "<br>";
$c =
"Hello1234.56789";
echo doubleval($c) . "<br>";
?>
Try it Yourself »
Definition and Usage
The doubleval() function returns the float value of a variable.
This function is an alias of floatval().
Syntax
doubleval(variable);
Parameter Values
| Parameter | Description |
|---|---|
| variable | Required. Specifies the variable to check. Must be a scalar type |
Technical Details
| Return Value: | The float value of the variable on success, 0 on failure. An empty array will return 0, and a non-empty array will return 1 |
|---|---|
| Return Type: | Float |
| PHP Version: | 4.0+ |
❮ PHP Variable Handling Reference
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