Description: ------------ Notice: Undefined variable: parameters in /www/pear/lib/Image/Graph/Common.php on line 248 Image_Graph 0.7.1 alpha Warning: Cannot modify header information - headers already sent by (output started at /www/pear/lib/Image/Graph/Common.php:248) in /www/pear/lib/Image/Canvas.php The foreach loop in the _error method appends data to an unassigned variable $parameters: foreach ($params as $name => $key) { if (isset($parameters)) { $parameters .= ' '; } $parameters .= $name . '=' . $key; <-------- } Test script: --------------- function _error($text, $params = false, $error_code = IMAGE_GRAPH_ERROR_GENERIC) { $i = 0; foreach ($params as $name => $key) { if ($i > 0) { $parameters .= ' '; } $parameters .= $name . '=' . $key; $i++; } $error =& PEAR::raiseError( $text . ($error_code != IMAGE_GRAPH_ERROR_GENERIC ? ' error:' . IMAGE_GRAPH_ERROR_GENERIC : '') . (isset($parameters) ? ' parameters:[' . $parameters . ']' : '') ); } Expected result: ---------------- It will work as supposed without an undefined variable notice Actual result: -------------- Notice: Undefined variable: parameters in /www/pear/lib/Image/Graph/Common.php on line 248

This is a proposed fix function _error($text, $params = false, $error_code = IMAGE_GRAPH_ERROR_GENERIC) { foreach ($params as $name => $key) { if (isset($parameters)) { $parameters .= ' '; } else { $parameters = ''; } $parameters .= $name . '=' . $key; } $error =& PEAR::raiseError( $text . ($error_code != IMAGE_GRAPH_ERROR_GENERIC ? ' error:' . IMAGE_GRAPH_ERROR_GENERIC : '') . (isset($parameters) ? ' parameters:[' . $parameters . ']' : '') ); }

This bug has been fixed in CVS. If this was a documentation problem, the fix will appear on pear.php.net by the end of next Sunday (CET). If this was a problem with the pear.php.net website, the change should be live shortly. Otherwise, the fix will appear in the package's next release. Thank you for the report and for helping us make PEAR better.