foutmelding die ik niet begrijp (Opgelost)

<?php
	$nWidth = imagesx($oSourceImage); // get original source image width
	$nHeight = imagesy($oSourceImage); // and height

	// create small thumbnail
	$nDestinationWidth = 80;
	$nDestinationHeight = 60;
//$oDestinationImage = imagecreatetruecolor($nDestinationWidth, $nDestinationHeight);
	$oDestinationImage = imagecreate($nDestinationWidth, $nDestinationHeight);

/*$oResult = imagecopyresampled(
	$oDestinationImage, $oSourceImage,
	0, 0, 0, 0,
	$nDestinationWidth, $nDestinationHeight,
	$nWidth, $nHeight); // resize the image
*/
	imagecopyresized(
		$oDestinationImage, $oSourceImage,
		0, 0, 0, 0,
		$nDestinationWidth, $nDestinationHeight,
		$nWidth, $nHeight); // resize the image

	ob_start(); // Start capturing stdout.
	imageJPEG($oDestinationImage); // As though output to browser.
	$sBinaryThumbnail = ob_get_contents(); // the raw jpeg image data.
	ob_end_clean(); // Dump the result so it does not screw other output.
?>

<?php
	$nWidth = imagesx($oSourceImage); // get original source image width
	$nHeight = imagesy($oSourceImage); // and height
 
	// create small thumbnail
	$nDestinationWidth = 80;
	$nDestinationHeight = 60;
//$oDestinationImage = imagecreatetruecolor($nDestinationWidth, $nDestinationHeight);
	$oDestinationImage = imagecreate($nDestinationWidth, $nDestinationHeight);
 
/*$oResult = imagecopyresampled(
	$oDestinationImage, $oSourceImage,
	0, 0, 0, 0,
	$nDestinationWidth, $nDestinationHeight,
	$nWidth, $nHeight); // resize the image
*/
	imagecopyresized(
		$oDestinationImage, $oSourceImage,
		0, 0, 0, 0,
		$nDestinationWidth, $nDestinationHeight,
		$nWidth, $nHeight); // resize the image
 
	ob_start(); // Start capturing stdout.
	imageJPEG($oDestinationImage); // As though output to browser.
	$sBinaryThumbnail = ob_get_contents(); // the raw jpeg image data.
	ob_end_clean(); // Dump the result so it does not screw other output.
?>