firecraft

<?php	if(!isset($_POST['submit'])) {?>	<form method='post' action='<? echo $_SERVER['PHP_SELF']; ?>'>		<fieldset>			<legend>&nbsp;enter a first name&nbsp;</legend>			<input type='text' name='chars' size='20' maxlength='10' /><br />			<input type='submit' name='submit' value='Process' />&nbsp;<input type='reset' value='Reset' />		</fieldset>	</form><?	} else {		if (!empty($_POST['chars'])) $chars = $_POST['chars'];		else echo 'field cannot be empty <br />';		$regexp = (preg_match('/[^a-z]/i', $chars) || preg_match('/[0-9]/', $chars)) ? 1 : 0;				if ($regexp)			echo 'invalid, try again.';		else {			if (strlen($chars) < 2)				echo 'name must be of at least 2 letters';			else {				$pieces = explode(' ', $chars);				for ($i = 0; $i < count($pieces); $i++) {					echo ucwords($pieces[$i]);				}			}		}	}?>