set first character of key to uppercase php code example
Example 1: 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!
?>
Example 2: php capitalize first letter
ucfirst("hello world!");