alphabetise class methods

<?php
$file = 'path-to-class-file';
$file_contents = @file_get_contents($file);
if ($file_contents !== NULL) {
	$file_contents = trim(str_replace(array('<?php', '<?', '?>'), '', $file_contents)); // remove php tags
	$file_contents = substr($file_contents, 0, strlen($file_contents)-1); // remove the last chracter - ie. the } bracket
	$functions = explode('function ', $file_contents);
	$functions_array = array();
	foreach ($functions as $f_key => $function) {
		$key = trim(current(explode('(', $function)));
		if ($f_key == 0) {
			$class_start = $key;
		}
		else {
			$functions_array[$key] = $function;
		}
	}
	ksort($functions_array);
	echo '<textarea style="width:100%;height:100%">';
	echo '<?php' . "\n" . $class_start . "\n\n" . 'function ' . implode('function ', $functions_array) . "\n\n" . '}';
	echo '</textarea>';
}
?>