Inserts a new library in CaMykS engine dedicated to URLs.

Camyks.php.inc

@@ -593,6 +593,7 @@ final class Camyks {
         require_once($this->camyks_engine_path.'/lib/tool/string.php.inc');
         require_once($this->camyks_engine_path.'/lib/tool/template.php.inc');
         require_once($this->camyks_engine_path.'/lib/tool/theme.php.inc');
+        require_once($this->camyks_engine_path.'/lib/tool/url.php.inc');
         require_once($this->camyks_engine_path.'/lib/tool/xml.php.inc');
 
         /* load site libraries */

engine/lib/tool/url.php.inc

@@ -0,0 +1,56 @@
+<?php
+/**
+ * @brief URL specific methods
+ * @details Engine / Tool Library
+ * @file engine/lib/tool/url.php.inc
+ * @author CaMykS Team <camyks.contact@gmail.com>
+ * @version 1.0
+ * @date Creation: Apr 2018
+ * @date Modification: Apr 2018
+ * @copyright 2018 CaMykS Team
+ * @note This program is distributed as is - WITHOUT ANY WARRANTY; 
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * @warning This library is not loaded with CaMykS initialisation.
+ */
+
+/**
+ * Check if provided urls are in the same domain
+ * @param array $urls
+ * @param boolean $strict check also subdomain if true
+ * @return boolean result
+ */
+function url_areInSameDomain($urls=array(), $strict=false) {
+    if (!is_array($urls))
+      return false;
+
+    $domain = '';
+    foreach ($urls as $url) {
+        /* Load hostname from url */
+        $v = strToLower(parse_url($url, PHP_URL_HOST));
+
+        if ($domain == '') {
+            /* Initialise first value. */
+            if ($strict)
+                $domain = $v;
+            else {
+                $v = explode('.', $v);
+                if (count($v) < 2)
+                    return false;
+                $domain = $v[count($v)-2].'.'.$v[count($v)-1];
+            }
+        } elseif ($strict) {
+            /* Check domain in strict mode. */
+            if ($domain != $v)
+                return false;
+        } else {
+            /* Check domain in non-strict mode. */
+            $v = explode('.', $v);
+            if (count($v) < 2)
+                return false;
+            if ($domain != $v[count($v)-2].'.'.$v[count($v)-1])
+                return false;
+        }
+    }
+    return true;
+}
+?>