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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 also

PHP Function Reference

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Next: empty



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https://www.w3resource.com/php/function-reference/doubleval.php