function conversts the string into lower case in php code example
Example: php to lowercase
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtolower($str);
echo $str;
// Result: mary had a little lamb and she loved it so
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtolower($str);
echo $str;
// Result: mary had a little lamb and she loved it so