The strtolower() function is used to convert a string into lowercase. This function takes a string as parameter and converts all the uppercase english alphabets present in the string to lowercase.
/* There is a function in php wich convert all paragraph or
string to lowercase*/
<?php
echo strtolower("Hey Samy, HAVE YOU CHECK THE LATEST MOVIE.");
// Output: hey samy, have you check the latest movie.
?>
