Add intl requirement to the installer (#784)

Author: onli

docs/NEWS

@@ -1,6 +1,9 @@
 Version 2.6-alpha1 ()
 ------------------------------------------------------------------------
 
+   * Let installer check for the intl extension, needed for the strftime
+     compatibility library used for PHP 8.1+
+
    * Update Parser of textile plugin
 
    * Update smarty from v4.3.5 to v5.4.3. This new major version has

include/admin/installer.inc.php

@@ -171,6 +171,12 @@ function serendipity_installerResultDiagnose($result, $s) {
     } else {
         $data['installerResultDiagnose_ICONV'] =  serendipity_installerResultDiagnose(S9Y_I_WARNING, NO);
     }
+    
+    if ( extension_loaded('intl') ) {
+        $data['installerResultDiagnose_INTL'] =  serendipity_installerResultDiagnose(S9Y_I_SUCCESS, YES);
+    } else {
+        $data['installerResultDiagnose_INTL'] =  serendipity_installerResultDiagnose(S9Y_I_WARNING, NO);
+    }
 
     if ( extension_loaded('zlib') ) {
         $data['installerResultDiagnose_ZLIB'] =  serendipity_installerResultDiagnose(S9Y_I_SUCCESS, YES);

templates/2k11/admin/installer.inc.tpl

@@ -103,6 +103,10 @@
                             <td>iconv extension</td>
                             <td>{$installerResultDiagnose_ICONV}</td>
                         </tr>
+                        <tr>
+                            <td>intl extension</td>
+                            <td>{$installerResultDiagnose_INTL}</td>
+                        </tr>
                         <tr>
                             <td>zlib extension</td>
                             <td>{$installerResultDiagnose_ZLIB}</td>