Jag har ordnat så att jag kan ladda upp bilder tillsammans med nyheter, recensioner m.m....
Jag undrar om någon har ett bra script för resize av bilder,
jag vill alltså kunna ändra bilden ner till en viss bredd...
Har hittat flera på nätet, men de flesta är väldigt långa,
och med min osäkerhet inom PHP vågar jag inte klistra in i denna kod ..
Någon som har ett bra script, och hjälpa till att implementera det?
Koden ser ut såhär:
if(mysql_real_escape_string($_GET['do']) == "spara") {
//define a maxim size for the uploaded images in Kb
define ("MAX_SIZE","800");
//This function reads the extension of the file. It is used to determine if the file is an image by checking the extension.
function getExtension($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.
$errors=0;
//checks if the form has been submitted
if(isset($_POST['Submit']))
{
//reads the name of the file the user submitted for uploading
$image=$_FILES['image']['name'];
//if it is not empty
if ($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 and will not upload the file,
//otherwise we will do more tests
if (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png") && ($extension != "gif"))
{
//print error message
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
$size=filesize($_FILES['image']['tmp_name']);
//compare the size with the maxim size we defined and print error if bigger
if ($size > 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)
$newname="img/nyheter/".$image_name;
//we verify if the image has been uploaded, and print error instead
$copied = copy($_FILES['image']['tmp_name'], $newname);
if (!$copied)
{
echo '<h1>Copy unsuccessfull!</h1>';
$errors=1;
}}}}
//If no errors registred, print the success message
if(isset($_POST['Submit']) && !$errors)
{
$titel = mysql_real_escape_string($_POST['titel']);
$skribent = mysql_real_escape_string($_POST['skribent']);
$skriven = mysql_real_escape_string($_POST['skriven']);
$nyhet = mysql_real_escape_string($_POST['nyhet']);
$img = $image_name;
mysql_query("INSERT INTO nyhet (titel, skribent, skriven, nyhet, img) values ('$titel', '$skribent', '$skriven', '$nyhet', '$img')");
// När allt är sparat, skicka vidare till nyheter
header('Location: nyhet.php'); }
}