From 6589c60cca0146ef5c4f606105e1c2ed9cf23cbd Mon Sep 17 00:00:00 2001
From: Andreas Gohr <andi@splitbrain.org>
Date: Wed, 30 Oct 2013 19:44:57 +0100
Subject: compatibility functions for missing ctype extension FS#2873

---
 inc/compatibility.php | 36 ++++++++++++++++++++++++++++++++++++
 inc/load.php          |  1 +
 2 files changed, 37 insertions(+)
 create mode 100644 inc/compatibility.php

diff --git a/inc/compatibility.php b/inc/compatibility.php
new file mode 100644
index 000000000..ae780e5ac
--- /dev/null
+++ b/inc/compatibility.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * compatibility functions
+ *
+ * This file contains a few functions that might be missing from the PHP build
+ */
+
+if(!function_exists('ctype_space')) {
+    /**
+     * Check for whitespace character(s)
+     *
+     * @see ctype_space
+     * @param string $text
+     * @return bool
+     */
+    function ctype_space($text) {
+        if(!is_string($text)) return false; #FIXME original treats between -128 and 255 inclusive as ASCII chars
+        if(trim($text) === '') return true;
+        return false;
+    }
+}
+
+if(!function_exists('ctype_digit')) {
+    /**
+     * Check for numeric character(s)
+     *
+     * @see ctype_digit
+     * @param string $text
+     * @return bool
+     */
+    function ctype_digit($text) {
+        if(!is_string($text)) return false; #FIXME original treats between -128 and 255 inclusive as ASCII chars
+        if(preg_match('/^\d+$/', $text)) return true;
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/inc/load.php b/inc/load.php
index 923671296..c5b40ffd8 100644
--- a/inc/load.php
+++ b/inc/load.php
@@ -35,6 +35,7 @@ require_once(DOKU_INC.'inc/template.php');
 require_once(DOKU_INC.'inc/toolbar.php');
 require_once(DOKU_INC.'inc/utf8.php');
 require_once(DOKU_INC.'inc/auth.php');
+require_once(DOKU_INC.'inc/compatibility.php');
 
 /**
  * spl_autoload_register callback
-- 
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