* Add php binding for 3 caca charset conversion functions

* Change php header for sample program "text.php"

caca-php/examples/text.php

@@ -1,5 +1,5 @@
 #!/usr/bin/php5
-<?
+<?php
 /*
  *  demo.php      demo for libcaca php binding
  *  Copyright (c) 2008 Nicolas Vion <nico@yojik.eu>

caca-php/php_caca.c

@@ -701,12 +701,21 @@ PHP_FUNCTION(caca_utf32_to_utf8) {
 }
 
 PHP_FUNCTION(caca_utf32_to_cp437) {
+	long l;
+	FETCH_LONG(l);
+	RETURN_LONG(caca_utf32_to_cp437(l));
 }
 
 PHP_FUNCTION(caca_cp437_to_utf32) {
+	long l;
+	FETCH_LONG(l);
+	RETURN_LONG(caca_cp437_to_utf32(l));
 }
 
 PHP_FUNCTION(caca_utf32_to_ascii) {
+	long l;
+	FETCH_LONG(l);
+	RETURN_CHAR(caca_utf32_to_ascii(l));
 }
 
 PHP_FUNCTION(caca_utf32_is_fullwidth) {