From 0ec65a0130347b3b846628e9e59a1f1cbf0f0e06 Mon Sep 17 00:00:00 2001
From: cash <cash.costello@gmail.com>
Date: Sat, 12 Nov 2011 14:49:36 -0500
Subject: cleaned up the plugin hooks documentation

---
 documentation/examples/hooks/advanced.php | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 documentation/examples/hooks/advanced.php

(limited to 'documentation/examples/hooks/advanced.php')

diff --git a/documentation/examples/hooks/advanced.php b/documentation/examples/hooks/advanced.php
new file mode 100644
index 000000000..ca036c46a
--- /dev/null
+++ b/documentation/examples/hooks/advanced.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * This snippet demonstrates how to change the value of a hook. The content
+ * passed into the hook is 'This is some Sample Content.'. After the two hook
+ * handlers are done, the new content is 'This is some $@mple Content.'.
+ */
+
+// the output:page hook is triggered by elgg_view_page().
+elgg_register_plugin_hook_handler('output', 'page', 'example_plugin_hook_handler', 600);
+elgg_register_plugin_hook_handler('output', 'page', 'example_plugin_hook_handler_2', 601);
+
+function example_plugin_hook_handler($hook, $type, $value, $params) {
+	// change a to @
+	$value = str_replace('a', '@', $value);
+
+	return $value;
+}
+
+function example_plugin_hook_handler_2($hook, $type, $value, $params) {
+	// change S to $
+	$value = str_replace('S', '$', $value);
+
+	return $value;
+}
+
+$content = 'This is some Sample Content.';
+
+echo elgg_view_page('Title', $content);
-- 
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