php convert to smallcase code example

Example 1: convert string to lowercase in php

/* strtolower() function converts  string to lowercase. */
<?php
echo strtolower("Hello WORLD 123");
?>
// Output:hello world 123

Example 2: convert string to lowercase in php

/* The strtolower() function converts a string to lowercase.
Convert all characters to lowercase.*/
<?php
echo strtolower("Hello WORLD.");
?>
// Output: hello world.