Fixed zend extensions multipy-times loadable

Author: laruence

Zend/zend_extensions.c

@@ -100,6 +100,14 @@ int zend_load_extension(const char *path TSRMLS_DC)
 		fprintf(stderr, "Cannot load %s - it was built with configuration %s, whereas running engine is %s\n",
 					new_extension->name, extension_version_info->build_id, ZEND_EXTENSION_BUILD_ID);
 /* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+		fflush(stderr);
+#endif
+		DL_UNLOAD(handle);
+		return FAILURE;
+	} else if (zend_get_extension(new_extension->name)) {
+		fprintf(stderr, "Cannot load %s - it was already loade\n", new_extension->name);
+/* See http://support.microsoft.com/kb/190351 */
 #ifdef PHP_WIN32
 		fflush(stderr);
 #endif