Adding documentation and examples.

git-svn-id: http://code.elgg.org/elgg/trunk@6933 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 23 insertions, 0 deletions

diff --git a/documentation/examples/hooks/register/advanced.php b/documentation/examples/hooks/register/advanced.php
new file mode 100644
index 000000000..48cddd480
--- /dev/null
+++ b/documentation/examples/hooks/register/advanced.php
@@ -0,0 +1,23 @@
+<?php
+
+// the output:page hook is triggered by page_draw().
+register_plugin_hook('output', 'page', 'example_plugin_hook_handler', 600)
+register_plugin_hook('output', 'page', 'example_plugin_hook_handler_2', 601);
+
+function example_plugin_hook_handler($event, $type, $value, $params) {
+	// change A to @
+	$value = str_replace('A', '@', $value);
+	
+	return $value
+}
+
+function example_plugin_hook_handler($event, $type, $value, $params) {
+	// change S to $
+	$value = str_replace('S', '$', $value);
+	
+	return $value
+}
+
+$content = 'This is some Sample Content.';
+
+page_draw('Title', $content);