".$big_image." ".$tmp1_image; //注意"跟'唷
exec($exec_str1);
$exec_str2="convert ".$tmp1_image." '-bordercolor' white '-border' 1x1 '-matte' '-fill' none '-fuzz' 20% '-draw' 'matte 0,0 floodfill' '-shave' 1x1 ".$empty_image; //注意"跟'唷
exec($exec_str2);
$exec_str="/usr/bin/composite '-gravity' center '-geometry' +0+0 ".$empty_image." ".$small_image." ".$target_image; //注意"跟'唷
exec($exec_str);
} else {
echo "請上傳圖片";
}
?>
原始圖 
裁切後的圖 