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PHP | doubleval() Function

  • Last Updated : 02 Jul, 2019

The doubleval() is an inbuilt function in PHP which is used to get a float value of a variable. This function is an alias of floatval().

Syntax:

doubleval ( $variable_name )

Parameters: This function accepts one parameter $variable_name as shown in above syntax. It is a mandatory parameter. This parameter specifies the name of variable that is to be converted. This parameter can be of mixed type example integer, string, etc.

Return Value: It returns float value of given variable.

Below programs illustrate the use of doubleval() function in PHP:
Program 1:




<?php
  
// PHP program to illustrate 
// doubleval() function
$var = '41.68127E3';
$double_value = doubleval($var);
echo $double_value;
?>
Output:



41681.27

Program 2:




<?php
  
// PHP program to illustrate 
// doubleval() function
$var = '47.129mln';
$double_value = doubleval($var);
echo $double_value;
?>
Output:
47.129

Related Articles:

Reference:http://php.net/manual/en/function.doubleval.php

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