From 78b585135fc16c268a9de69a1156231873995a49 Mon Sep 17 00:00:00 2001
From: Jason Oster <parasytic@users.sourceforge.net>
Date: Wed, 20 May 2009 17:10:09 +0000
Subject: Force makeTitle() to limit the amount of text put into a title

---
 functions/init/sanitize.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'functions/init/sanitize.php')

diff --git a/functions/init/sanitize.php b/functions/init/sanitize.php
index 5e9d57e..0370f9f 100644
--- a/functions/init/sanitize.php
+++ b/functions/init/sanitize.php
@@ -33,6 +33,23 @@ function recursiveSanitize($value) {
 }
 
 
+/**
+ * Truncate a string to a specific number of words
+ */
+function chopToWordCount($string, $count) {
+    $wc = str_word_count($string);
+    if ($wc > $count) {
+	$words = str_word_count($string, 2);
+	$last_word = array_slice($words, $count, 1, true);
+	$pos = key($last_word);
+	$string = substr($string, 0, $pos);
+    }
+    return $string;
+}
+
+/**
+ * Strip "dangerous" HTML to make it safe to print to web browsers
+ */
 function sanitizeForWeb($string) {
     $string = preg_replace('/<br\s*\/?>/', "\n", $string);
 
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