string first letter uppercase php
<?php
$foo = 'hello world!';
$foo = ucfirst($foo); // Hello world!
$bar = 'HELLO WORLD!';
$bar = ucfirst($bar); // HELLO WORLD!
$bar = ucfirst(strtolower($bar)); // Hello world!
?>Source: www.php.net
first character uppercase php
ucwords("hello world"); // Hello World
ucfirst("hello world"); // Hello world