<?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 library if(!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,$thumb_h); // resize the big image to the new created one imagecopyresampled($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 $filename if(!strcmp("png",$ext)) imagepng($dst_img,$filename); else imagejpeg($dst_img,$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($_POST['Submit'])){ //reads the name of the file the user submitted for uploading foreach ($_FILES["image"]["error"] as $key => $error) { if ($error == UPLOAD_ERR_OK) { // get the original name of the file from the clients machine $filename = stripslashes($_FILES['image']['name'][$key]); // 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 continue if (($extension != "jpg") && ($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'][$key]); $sizekb=filesize($_FILES['image']['tmp_name'][$key]); //compare the size with the maxim size we defined and print error if bigger if ($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'][$key], $newname); //we verify if the image has been uploaded, and print error instead if (!$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();}?>