From e788257512a424ca42a1ca55959ec2617bb9cf71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <mcihar@novell.com>
Date: Wed, 5 May 2010 11:35:14 +0200
Subject: [PATCH] Generic function to warn about missing extension.

---
 libraries/core.lib.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/libraries/core.lib.php b/libraries/core.lib.php
index b56512192..70740b6ad 100644
--- a/libraries/core.lib.php
+++ b/libraries/core.lib.php
@@ -274,6 +274,26 @@ function PMA_fatalError($error_message, $message_args = null)
     exit;
 }
 
+/**
+ * Warn or fail on missing extension.
+ *
+ * @param string $extension Extension name
+ * @param bool $fatal Whether the error is fatal.
+ / @param string $extra Extra string to append to messsage.
+ */
+function PMA_warnMissingExtension($extension, $fatal = false, $extra = '')
+{
+    $message = sprintf(__('Cannot load [a@http://php.net/%1$s@Documentation][em]%1$s[/em][/a] extension. Please check your PHP configuration.'), $extension);
+    if ($extra != '') {
+        $message .= ' ' . $extra;
+    }
+    if ($fatal) {
+        PMA_fatalError($message);
+    } else {
+        trigger_error($message, E_USER_WARNING);
+    }
+}
+
 /**
  * returns count of tables in given db
  *