Keskustelu: Nettisivujen teko: Php kuvanlisäys

<?php ini_set("memory_limit", "800000000"); // for large images so that we do not get "Allowed memory exhausted"?>
<?php
// upload the file
if ((isset($_POST["submitted_form"])) && ($_POST["submitted_form"] == "image_upload_form")) {

	// file needs to be jpg,gif,bmp,x-png
	if (($_FILES["image_upload_box"]["type"] == "image/jpeg" || $_FILES["image_upload_box"]["type"] == "image/pjpeg" || $_FILES["image_upload_box"]["type"] == "image/gif" || $_FILES["image_upload_box"]["type"] == "image/x-png") && ($_FILES["image_upload_box"]["size"] < 8000000))
	{


		// some settings
		$max_upload_width = 80000;
		$max_upload_height = 60000;

		// if user chosed properly then scale down the image according to user preferances
		if(isset($_REQUEST['max_width_box']) and $_REQUEST['max_width_box']!='' and $_REQUEST['max_width_box']<=$max_upload_width){
			$max_upload_width = $_REQUEST['max_width_box'];
		}
		if(isset($_REQUEST['max_height_box']) and $_REQUEST['max_height_box']!='' and $_REQUEST['max_height_box']<=$max_upload_height){
			$max_upload_height = $_REQUEST['max_height_box'];
		}



		// if uploaded image was JPG/JPEG
		if($_FILES["image_upload_box"]["type"] == "image/jpeg" || $_FILES["image_upload_box"]["type"] == "image/pjpeg"){
			$image_source = imagecreatefromjpeg($_FILES["image_upload_box"]["tmp_name"]);
		}
		// if uploaded image was GIF
		if($_FILES["image_upload_box"]["type"] == "image/gif"){
			$image_source = imagecreatefromgif($_FILES["image_upload_box"]["tmp_name"]);
		}
		// BMP doesn't seem to be supported so remove it form above image type test (reject bmps)
		// if uploaded image was BMP
		if($_FILES["image_upload_box"]["type"] == "image/bmp"){
			$image_source = imagecreatefromwbmp($_FILES["image_upload_box"]["tmp_name"]);
		}
		// if uploaded image was PNG
		if($_FILES["image_upload_box"]["type"] == "image/x-png"){
			$image_source = imagecreatefrompng($_FILES["image_upload_box"]["tmp_name"]);
		}

		$remote_file = "../image_upload/".$_FILES["image_upload_box"]["name"];
		imagejpeg($image_source,$remote_file,100);
		chmod($remote_file,0644);


		// get width and height of original image
		list($image_width, $image_height) = getimagesize($remote_file);

		if($image_width>$max_upload_width || $image_height >$max_upload_height){
			$proportions = $image_width/$image_height;

			if($image_width>$image_height){
				$new_width = $max_upload_width;
				$new_height = round($max_upload_width/$proportions);
			}
			else{
				$new_height = $max_upload_height;
				$new_width = round($max_upload_height*$proportions);
			}

			$new_image = imagecreatetruecolor($new_width , $new_height);
			$image_source = imagecreatefromjpeg($remote_file);

			imagecopyresampled($new_image, $image_source, 0, 0, 0, 0, $new_width, $new_height, $image_width, $image_height);
			imagejpeg($new_image,$remote_file,100);

			imagedestroy($new_image);
		}

		imagedestroy($image_source);

		$new_name = date("ymdHis");

		rename($remote_file, "../image_upload/" . $new_name . ".jpg");


		//lykätään myös tietokantaan kuvan nimi
		$target_id = $_POST['target_id'];
		$image_text = $_POST['image_text'];

		if (!$query_upload_image = mysql_query("INSERT INTO image_uploads (name,page,target_id,image_text) VALUES ('$new_name', '$page','$target_id','$image_text')",$yhteys)) {
			$viesti = mysql_error();
		}
		else {
			$viesti = 'Kuvan lisääminen onnistui.';
		}

		echo '<h2>Kuva lisätty</h2>';


	}
	else{
		echo '<h2>kuvan lisäys epäonnistui</h2>';

	}
}


?>