$cmd = wfEscapeShellArg( $wgImageMagickConvertCommand ) . ' -version';
wfDebug( $method . ": Running convert -version\n" );
$retval = '';
- $return = wfShellExec( $cmd, $retval );
+ $return = wfShellExecWithStderr( $cmd, $retval );
$x = preg_match(
'/Version: ImageMagick ([0-9]*\.[0-9]*\.[0-9]*)/', $return, $matches
);