Add sample upgrade diff

sample/config.m4

@@ -7,5 +7,11 @@ PHP_ARG_WITH(sample, for sample support,
 if test "$PHP_SAMPLE" != "no"; then
   PHP_SUBST(SAMPLE_SHARED_LIBADD)
 
-  PHP_NEW_EXTENSION(sample, [sample.c], $ext_shared)
+  m4_include(php-ext-embed/php_ext_embed.m4)
+  PHP_EXT_EMBED_INIT(sample)
+
+  dnl you could update it for your own need
+  PHP_EXT_EMBED_ADD_INCLUDE_LIB(sample, [lib/*.php])
+
+  PHP_EXT_EMBED_NEW_EXTENSION(sample, [sample.c], $ext_shared)
 fi

sample/lib/sample.inc.php

@@ -0,0 +1,8 @@
+<?php
+
+# sample php lib, you could define fuctions and classes
+# please notice the lib WILL not get executed, only functions 
+# and classes will be imported
+
+# please add our own logic here...
+

sample/sample.c

@@ -22,6 +22,9 @@
 #include "config.h"
 #endif
 
+#include "php_ext_embed.h"
+#include "php_ext_embed_libs.h"
+
 #include <php.h>
 #include <ext/standard/info.h>
 
@@ -66,18 +69,21 @@ ZEND_GET_MODULE(sample)
 
 PHP_RINIT_FUNCTION(sample)
 {
+	PHP_EXT_EMBED_RINIT(sample);
 	return SUCCESS;
 }
 
 PHP_RSHUTDOWN_FUNCTION(sample)
 {
+	PHP_EXT_EMBED_RSHUTDOWN(sample);
 	return SUCCESS;
 }
 
 /* {{{ PHP_MINIT_FUNCTION
  */
 PHP_MINIT_FUNCTION(sample)
 {
+	PHP_EXT_EMBED_MINIT(sample);
 	return SUCCESS;
 }
 /* }}} */
@@ -86,6 +92,7 @@ PHP_MINIT_FUNCTION(sample)
  */
 PHP_MSHUTDOWN_FUNCTION(sample)
 {
+	PHP_EXT_EMBED_MSHUTDOWN(sample);
 	return SUCCESS;
 }
 /* }}} */