利用GD库中的exif_imagetype()
$img = exif_imagetype('img.jpng');
echo $img;
if($img == false){
echo "伪造图片";
}
利用getimagesize()函数
$img = getimagesize('img.jpng');
echo $img;
if($img == false){
echo "伪造图片";
}
SQL语句执行错误：SELECT * FROM emlog_sort where pid= ORDER BY sid ASC, taxis asc
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ORDER BY sid ASC, taxis asc' at line 1