Detailed explanation of the usage of php floatval() function

This article mainly introduces the usage of php floatval() function. I hope it will be helpful to friends in need!

floatval() function is a built-in function in PHP that returns the floating point value of a variable.

Syntax:

float floatval ( $var )

Parameters:

This function accepts one required parameter, as described below:

$var: will return its corresponding floating point value Variables. This variable should not be an object.

Return value: Returns the floating point value of the given variable. Returns 0 for an empty array and 1 for a non-empty array.

Note: If an object is passed to a function, an E_NOTICE level error is raised and 1 is returned.

floatval() function usage code example 1:

<?php 
$var = &#39;41.68127E3&#39;; 
$float_value = floatval($var); 
echo $float_value; 
?>

Output:

41681.27

floatval() function usage code example 2:

<?php 
$var = &#39;47.129mln&#39;; 
$float_value = floatval($var); 
echo $float_value; 
?>

Output:

47.129

Related recommendations: "PHP Tutorial"

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