From dc0d4839923180860aa7bc6c67f78c7c08dc274f Mon Sep 17 00:00:00 2001
From: Sam Reed <reedy@users.mediawiki.org>
Date: Fri, 29 Apr 2011 23:33:38 +0000
Subject: [PATCH] * Get a list of all subscribed hooks, and those subscribers

Essentially what SpecialVersion will give you if wgSpecialVersionShowHooks is true
---
 RELEASE-NOTES                     |  1 +
 includes/api/ApiQuerySiteinfo.php | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 4fda976d44..d155e9e31d 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -366,6 +366,7 @@ PHP if you have not done so prior to upgrading MediaWiki.
 * (bug 28238) paraminfo: output both limits for multi param
 * (bug 27179) API: List of extension tags through meta=siteinfo
 * Get a list of function hooks through meta=siteinfo
+* Get a list of all subscribed hooks, and those subscribers
 
 === Languages updated in 1.18 ===
 
diff --git a/includes/api/ApiQuerySiteinfo.php b/includes/api/ApiQuerySiteinfo.php
index 13550d6c27..72d0571591 100644
--- a/includes/api/ApiQuerySiteinfo.php
+++ b/includes/api/ApiQuerySiteinfo.php
@@ -94,6 +94,9 @@ class ApiQuerySiteinfo extends ApiQueryBase {
 				case 'functionhooks':
 					$fit = $this->appendFunctionHooks( $p );
 					break;
+				case 'showhooks':
+					$fit = $this->appendSubscribedHooks( $p );
+					break;
 				default:
 					ApiBase::dieDebug( __METHOD__, "Unknown prop=$p" );
 			}
@@ -498,6 +501,26 @@ class ApiQuerySiteinfo extends ApiQueryBase {
 		return "&lt;{$item}&gt;";
 	}
 
+	public function appendSubscribedHooks( $property ) {
+		global $wgHooks;
+		$myWgHooks = $wgHooks;
+		ksort( $myWgHooks );
+
+		$data = array();
+		foreach ( $myWgHooks as $hook => $hooks )  {
+			$arr = array(
+				'name' => $hook,
+				'subscribers' => $hooks,
+			);
+
+			$this->getResult()->setIndexedTagName( $arr['subscribers'], 's' );
+			$data[] = $arr;
+		}
+
+		$this->getResult()->setIndexedTagName( $data, 'hook' );
+		return $this->getResult()->addValue( 'query', $property, $data );
+	}
+
 	public function getCacheMode( $params ) {
 		return 'public';
 	}
@@ -524,6 +547,7 @@ class ApiQuerySiteinfo extends ApiQueryBase {
 					'skins',
 					'extensiontags',
 					'functionhooks',
+					'showhooks',
 				)
 			),
 			'filteriw' => array(
@@ -557,6 +581,7 @@ class ApiQuerySiteinfo extends ApiQueryBase {
 				' skins                 - Returns a list of all enabled skins',
 				' extensiontags         - Returns a list of parser extension tags',
 				' functionhooks         - Returns a list of parser function hooks',
+				' showhooks             - Returns a list of all subscribed hooks (contents of $wgHooks)'
 			),
 			'filteriw' =>  'Return only local or only nonlocal entries of the interwiki map',
 			'showalldb' => 'List all database servers, not just the one lagging the most',
-- 
2.20.1