The mb_strtolower() is a PHP inbuilt function that returns lowercase alphanumeric characters.
Syntax:
mb_strtolower(string $string, ?string $encoding = null): string
Parameters: This function accepts 2 parameters:
- string: This parameter specifies the lowercase string.
- encoding: This parameter denotes the character encoding, & in case omitted or null, then the internal character encoding value will be utilized.
Return value: This function converted the uppercase string into lowercase alphanumeric characters and then returns those characters.
Example 1: The following code shows the working for the mb_strtolower() function.
PHP
<?php$str = "GEEKSFORGEEKS" ;$str2 = mb_strtolower($str);echo $str2; ?> |
Output:
neveropen
Example 2: The following code shows the working for the mb_strtolower() function.
PHP
<?php$str = "Dmmm" ;$str2 = mb_strtolower($str);echo $str2; ?> |
Output:
dmmm
Reference: https://www.php.net/manual/en/function.mb-strtolower.php
