Archief - PHP: Probleem met width en height van photo te onderzoeken

		<?
			if(isset($_FILES['bestand'])) //controle of het bestand geupload is
			{
				if($HTTP_POST_FILES['bestand']['type'] == "image/pjpeg" || $HTTP_POST_FILES['bestand']['type'] == "image/jpeg") //controle op extensie
				{
					if(imagesx($bestand) < 800)
					{
						//move_uploaded_file($_FILES['bestand']['tmp_name'],'../images/photos/blabla.jpg') or die("could not move");
						echo "moven";
					}
					else
					{
						echo "te groot of te klein";
					}
				}
				else
				{
					echo "verkeerde extensie";
				}
			}
			else
			{
				echo "niet gelukt";
			}
		?>

Warning: imagesx(): supplied argument is not a valid Image resource in /files/noizz/www.noizz.be/files/photos_write.php on line 24

		<form enctype="multipart/form-data" name="photo_upload" action="photos_write.php" method="post">
			<input name="bestand" type="file" class="velden">
			<input type="submit" class="velden" value="Upload Photo">
		</form>

$pic  = imagecreatefromjpeg($bestand) or die ("Jpg aanmaak probleempje!");
$width = imagesx($pic); //breedte van foto
$height = imagesy($pic); //hoogte van foto

<?php

// create a 300*200 image
$img = imagecreate(300, 200);

echo imagesx($img); // 300

?>

// create a 300*200 image
$img = imagecreate(300, 200);

 $pic  = imagecreatefromjpeg($bestand)

list($width, $height, $type, $attr) = getimagesize($bestand);