PHP: doubleval() function
Description
The doubleval() function is used to get a float value of a variable. This function is an alias of floatval().
Version:
(PHP 4 and above)
Syntax:
doubleval(var_name)
Parameter:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| var_name | The variable being checked. | Required | Mixed* |
*Mixed : Mixed indicates that a parameter may accept multiple (but not necessarily all) types.
Return value:
Value Type: Float.
Example:
<?php$var_name = doubleval('422.300453test');echo $var_name;?>
Output:
422.300453
View the example in the browser
Practice here online :
See alsoPrevious: debug_zval_dump
Next: empty
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https://w3resource.com/php/function-reference/doubleval.php
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