From 1dd33770ed906c5c264166ae592779023ad2f919 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Tue, 19 Jun 2012 18:26:40 -0700
Subject: [PATCH] plugin optimisation - don't loop through every single plugin
 callback for every hook call, only those registered for that hook

---
 boot.php           |  8 --------
 include/plugin.php | 35 ++++++++++++++++++-----------------
 2 files changed, 18 insertions(+), 25 deletions(-)

diff --git a/boot.php b/boot.php
index 78e1dac6a7..76cf8af579 100644
--- a/boot.php
+++ b/boot.php
@@ -77,14 +77,6 @@ define ( 'CONTACT_IS_SHARING',  2);
 define ( 'CONTACT_IS_FRIEND',   3);
 
 
-/**
- * Hook array order
- */
-
-define ( 'HOOK_HOOK',      0);
-define ( 'HOOK_FILE',      1);
-define ( 'HOOK_FUNCTION',  2);
-
 /**
  * DB update return values
  */
diff --git a/include/plugin.php b/include/plugin.php
index ae8eee78a4..c6b61ae6e9 100644
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -148,7 +148,9 @@ function load_hooks() {
 	$r = q("SELECT * FROM `hook` WHERE 1");
 	if(count($r)) {
 		foreach($r as $rr) {
-			$a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
+			if(! array_key_exists($rr['hook'],$a->hooks))
+				$a->hooks[$rr['hook']] = array();
+			$a->hooks[$rr['hook']][] = array($rr['file'],$rr['function']);
 		}
 	}
 }}
@@ -158,25 +160,24 @@ if(! function_exists('call_hooks')) {
 function call_hooks($name, &$data = null) {
 	$a = get_app();
 
-	if(count($a->hooks)) {
-		foreach($a->hooks as $hook) {
-			if($hook[HOOK_HOOK] === $name) {
-				@include_once($hook[HOOK_FILE]);
-				if(function_exists($hook[HOOK_FUNCTION])) {
-					$func = $hook[HOOK_FUNCTION];
-					$func($a,$data);
-				}
-				else {
-					// remove orphan hooks
-					q("delete from hook where hook = '%s' and file = '$s' and function = '%s' limit 1",
-						dbesc($hook[HOOK_HOOK]),
-						dbesc($hook[HOOK_FILE]),
-						dbesc($hook[HOOK_FUNCTION])
-					);
-				}
+	if((is_array($a->hooks)) && (array_key_exists($name,$a->hooks))) {
+		foreach($a->hooks[$name] as $hook) {
+			@include_once($hook[0]);
+			if(function_exists($hook[1])) {
+				$func = $hook[1];
+				$func($a,$data);
+			}
+			else {
+				// remove orphan hooks
+				q("delete from hook where hook = '%s' and file = '$s' and function = '%s' limit 1",
+					dbesc($name),
+					dbesc($hook[0]),
+					dbesc($hook[1])
+				);
 			}
 		}
 	}
+
 }}