Plug a leak in mysqli when in the same script

a pconn is reused.
Call end_psession earlier - so will mysqlnd and
the plugins free data earlier.

ext/mysql/php_mysql.c

@@ -637,7 +637,7 @@ PHP_RSHUTDOWN_FUNCTION(mysql)
 		efree(MySG(connect_error));
 	}
 
-#ifdef MYSQL_USE_MYSQLND
+#ifdef A0 && MYSQL_USE_MYSQLND
 	zend_hash_apply(&EG(persistent_list), (apply_func_t) php_mysql_persistent_helper TSRMLS_CC);
 #endif
 
@@ -888,7 +888,7 @@ static void php_mysql_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent)
 			mysql->multi_query = 0;
 #endif
 			/* ensure that the link did not die */
-#if defined(MYSQL_USE_MYSQLND)
+#if A0 && defined(MYSQL_USE_MYSQLND)
 			mysqlnd_end_psession(mysql->conn);
 #endif	
 			if (mysql_ping(mysql->conn)) {

ext/mysqli/mysqli.c

@@ -893,7 +893,8 @@ PHP_RSHUTDOWN_FUNCTION(mysqli)
 	if (MyG(error_msg)) {
 		efree(MyG(error_msg));
 	}
-#ifdef MYSQLI_USE_MYSQLND
+#ifdef A0 && MYSQLI_USE_MYSQLND
+	/* psession is being called when the connection is freed - explicitly or implicitly */
 	zend_hash_apply(&EG(persistent_list), (apply_func_t) php_mysqli_persistent_helper_once TSRMLS_CC);
 #endif
 	return SUCCESS;

ext/mysqli/mysqli_api.c

@@ -588,6 +588,9 @@ void php_mysqli_close(MY_MYSQL * mysql, int close_type, int resource_status TSRM
 		if (zend_hash_find(&EG(persistent_list), mysql->hash_key, strlen(mysql->hash_key) + 1, (void **)&le) == SUCCESS) {
 			if (Z_TYPE_P(le) == php_le_pmysqli()) {
 				mysqli_plist_entry *plist = (mysqli_plist_entry *) le->ptr;
+#if defined(MYSQLI_USE_MYSQLND)
+				mysqlnd_end_psession(mysql->mysql);
+#endif
 				zend_ptr_stack_push(&plist->free_links, mysql->mysql);
 
 				MyG(num_active_persistent)--;

ext/mysqli/mysqli_nonapi.c

@@ -123,7 +123,7 @@ void mysqli_common_connect(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_real_conne
 			flags &= ~CLIENT_LOCAL_FILES;
 		}
 	}
-	if (mysql->mysql && mysqli_resource && mysqli_resource->status > MYSQLI_STATUS_INITIALIZED) {
+	if (mysql->mysql && mysqli_resource && (mysqli_resource->status > MYSQLI_STATUS_INITIALIZED || (strlen(SAFE_STR(hostname)) > 2 && !strncasecmp(hostname, "p:", 2)))) {
 		/* already connected, we should close the connection */
 		php_mysqli_close(mysql, MYSQLI_CLOSE_IMPLICIT, mysqli_resource->status TSRMLS_CC);
 	}
@@ -168,9 +168,6 @@ void mysqli_common_connect(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_real_conne
 							mysql->mysql = zend_ptr_stack_pop(&plist->free_links);
 
 							MyG(num_inactive_persistent)--;
-#if defined(MYSQLI_USE_MYSQLND)
-							mysqlnd_end_psession(mysql->mysql);
-#endif	
 							/* reset variables */
 
 #ifndef MYSQLI_NO_CHANGE_USER_ON_PCONNECT