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-rw-r--r--include/functions_html.inc.php18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/functions_html.inc.php b/include/functions_html.inc.php
index bc967b752..65cbc879c 100644
--- a/include/functions_html.inc.php
+++ b/include/functions_html.inc.php
@@ -591,4 +591,22 @@ function access_denied()
redirect($login_url);
}
}
+
+/**
+ * exits the current script with 404 code when a page cannot be found
+ * @param string msg a message to display
+ * @param string alternate_url redirect to this url
+ */
+function page_not_found($msg, $alternate_url=null)
+{
+ header('HTTP/1.1 404 Not found');
+ header('Status: 404 Not found');
+ if ($alternate_url==null)
+ $alternate_url = make_index_url();
+ redirect( $alternate_url,
+ '<div style="text-align:left; margin-left:5em;margin-bottom:5em;">
+<h1 style="text-align:left; font-size:36px;">Page not found</h1><br/>'
+.$msg.'</div>',
+ 5 );
+}
?>