The mb_http_input() function in PHP is used to detect the HTTP (Hyper-text transfer protocols) input character encoding. This function is supported in PHP 5.4 or higher version.
Syntax
array|string mb_http_input(str $type=null)
Parameters
mb_http_input() accepts only a single parameter −
$type − In the type parameter, the input string specifies the input type, like −
G is used for GET,
P is used for POST,
C is used for COOKIE,
S is used for STRING,
L is used for LIST, and
I for the whole list (it will return array).
If the type is omitted, then it returns the last input type processed.
Return Values
mb_http_input() returns the character encoding name as per the type, or an array of character encoding names. If the type is "I" and if the mb_http_input() does not process the specified HTTP input, then it returns False.
Example
<?php
// It will return the input character encoding
//UTF-8
$string =mb_http_input("I");
var_dump($string);
?>Output
array(1) {
[0]=>
string(5) "UTF-8"
}