<?php//define a maxim size for the uploaded imagesdefine ("MAX_SIZE","100"); // define the width and height for the thumbnail// note that theese dimmensions are considered the maximum dimmension and are not fixed, // because we have to keep the image ratio intact or it will be deformeddefine ("WIDTH","150"); define ("HEIGHT","100"); // this is the function that will create the thumbnail image from the uploaded image// the resize will be done considering the width and height defined, but without deforming the imagefunction make_thumb($img_name,$filename,$new_w,$new_h){//get image extension.$ext=getExtension($img_name);//creates the new image using the appropriate function from gd libraryif(!strcmp("jpg",$ext) || !strcmp("jpeg",$ext))$src_img=imagecreatefromjpeg($img_name);if(!strcmp("png",$ext))$src_img=imagecreatefrompng($img_name);//gets the dimmensions of the image$old_x=imageSX($src_img);$old_y=imageSY($src_img);// next we will calculate the new dimmensions for the thumbnail image// the next steps will be taken: // 1. calculate the ratio by dividing the old dimmensions with the new ones// 2. if the ratio for the width is higher, the width will remain the one define in WIDTH variable// and the height will be calculated so the image ratio will not change// 3. otherwise we will use the height ratio for the image// as a result, only one of the dimmensions will be from the fixed ones$ratio1=$old_x/$new_w;$ratio2=$old_y/$new_h;if($ratio1>$ratio2) {$thumb_w=$new_w;$thumb_h=$old_y/$ratio1;}else {$thumb_h=$new_h;$thumb_w=$old_x/$ratio2;}// we create a new image with the new dimmensions$dst_img=ImageCreateTrueColor($thumb_w,$thumb_h);// resize the big image to the new created oneimagecopyresampled($dst_img,$src_img,0,0,0,0,$thumb_w,$thumb_h,$old_x,$old_y); // output the created image to the file. Now we will have the thumbnail into the file named by $filenameif(!strcmp("png",$ext))imagepng($dst_img,$filename); elseimagejpeg($dst_img,$filename); //destroys source and destination images. imagedestroy($dst_img); imagedestroy($src_img); }// This function reads the extension of the file. // It is used to determine if the file is an image by checking the extension. function getExtension($str) {$i = strrpos($str,".");if (!$i) { return ""; }$l = strlen($str) - $i;$ext = substr($str,$i+1,$l);return $ext;}// This variable is used as a flag. The value is initialized with 0 (meaning no error found) and it will be changed to 1 if an errro occures. If the error occures the file will not be uploaded.$errors=0;include("ayarlar.php"); //ayarlar.php dosyamizi cagiriyoruz .db_baglanti(); //ayarlar.php cagrildi db icin tanimladigimiz fonksiyonu getiriyoruz.@$makale_adi = $_POST['ad'];if(empty($makale_adi)){die("Makale adýný boþ býraktýnýz<br>");}@$makale_metni = $_POST['makale'];if(empty($makale_metni)){die("Makale alanýný boþ býraktýnýz<br>");}@$iletisim = $_POST['iletisim'];if(empty($iletisim)){die("iletisim eklemeyi unuttunuz<br>");}// checks if the form has been submittedif(isset($_POST['Submit'])){//reads the name of the file the user submitted for uploading$image=$_FILES['image']['name'];// if it is not emptyif ($image) {// get the original name of the file from the clients machine$filename = stripslashes($_FILES['image']['name']);// get the extension of the file in a lower case format$extension = getExtension($filename);$extension = strtolower($extension);// if it is not a known extension, we will suppose it is an error, print an error message and will not upload the file, otherwise we continueif (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png")) {echo '<h1>Unknown extension!</h1>';$errors=1;}else{// get the size of the image in bytes// $_FILES[\'image\'][\'tmp_name\'] is the temporary filename of the file in which the uploaded file was stored on the server$size=getimagesize($_FILES['image']['tmp_name']);$sizekb=filesize($_FILES['image']['tmp_name']);//compare the size with the maxim size we defined and print error if biggerif ($sizekb > MAX_SIZE*1024){echo '<h1>You have exceeded the size limit!</h1>';$errors=1;}//we will give an unique name, for example the time in unix time format$image_name=time().'.'.$extension;//the new name will be containing the full path where will be stored (images folder)$newname="../resimler/".$image_name;$copied = copy($_FILES['image']['tmp_name'], $newname);//we verify if the image has been uploaded, and print error insteadif (!$copied) {echo '<h1>Copy unsuccessfull!</h1>';$errors=1;}else{// the new thumbnail image will be placed in images/thumbs/ folder$thumb_name='../resimler/kucuk/thumb_'.$image_name;$kucukresim='thumb_'.$image_name;// call the function that will create the thumbnail. The function will get as parameters the image name, the thumbnail name and the width and height desired for the thumbnail$thumb=make_thumb($newname,$thumb_name,WIDTH,HEIGHT);}} }}//If no errors registred, print the success message and show the thumbnail image createdif(isset($_POST['Submit']) && !$errors) {echo "<h1>Makale Adi & Kücük resim basariyla olusturuldu!</h1>";echo ("<b>kategori id </b> $kategori<br>");echo ("<b>makale adi</b> $makale_adi<br>");echo ("<b>makale adi</b> $makale_metni<br>");echo '<img src="'.$thumb_name.'">';echo ("$image_name<br>");echo ("$kucukresim");}@$kategori_id = $_POST['kategori'];$sorgu = "insert into makaleler (makale_baslik, kat_id, makale_metni,iletisim,resim,kucukresim) values ('$makale_adi', '$kategori_id', '$makale_metni', '$iletisim', '$image_name', '$kucukresim')";if(mysql_query($sorgu)){echo '<br>Döküman eklendi<br>';}else {echo mysql_error();}?>