ขอcode ตรวจสอบว่าไฟล์ที่เราuploadมาเป็นไฟล์รูปภาพหรือว่าค่ะ

<?php
if (($picture!=none) && (ereg("^image",$picture_type) || ereg("application/x-shockwave-flash",$picture_type))) {  // check image type 
	$picture_path="./picture_comment";  // path file to be saved
	# print "Local File : $picture <br>\n";  // file image detail
	print "File name : $picture_name <br>\n"; // file image detail
	printf ("Size : %d",($picture_size/1024)); // file image detail
	print " KB. <br>\n";
	print "Type : $picture_type <br>\n"; // file image detail

	if ($picture_type=="image/gif") { // check image type 
		$imgtype="gif";
	}
	elseif (($picture_type=="image/pjpeg") || ($picture_type=="image/jpeg")) { // IE & Firefox
		$imgtype="jpg";
	}
	elseif ($picture_type=="image/png") {
		$imgtype="png";
	}
	elseif ($picture_type=="application/x-shockwave-flash") {
		$imgtype="swf";
	}
	elseif ($picture_type=="image/bmp") {
		$imgtype="bmp";
	}
	else {
		$imgtype="";
	}
	
	$picture_name_new=time().".$imgtype";  // set image name
	if (copy($picture,"$picture_path/$picture_name_new")) {  // coppy image
		# print "ÀÒ¾»ÃСͺ : $picture_name_new <br>\n";  // ok
	}
	else {
		print "äÁèÊÒÁÒöãÊèÀÒ¾»ÃСͺä´é <br>\n"; // no ok
	}
	# Unlink picture from Temp
	unlink ($picture); 
	$picture="$picture_name_new";
}
else {
	if ($picture_name=="") {
		print "äÁèÁÕÀÒ¾»ÃСͺ <br>\n";
	}
	elseif (!ereg("^image",$picture_type) || !ereg("application/x-shockwave-flash",$picture_type)) {
		print "äÁèãªè image file ËÃ×Í flash file<br>\n";
	}
	else {
		print "ÀÒ¾»ÃСͺ¢¹Ò´à¡Ô¹ 150 Kb  <br>\n";
	}
	$picture="";
}
# End Upload picture
?>

ก้อบรูปที่เลือก ลงโฟลเดอร์
?>