Help me about ImageCreate

[lequanganh]

i have error for this code:

<?php
//set up image
$height=200;
$width=200;
$im=200;
$im=ImageCreate($width,$height);
$white=ImageColorAllocate($im,255,255,255);
$black=ImageColorAllocate($im,0,0,0);

//draw om image
ImageFill($im,0,0,$black);
ImageLine($im,0,0,$width,$height,$white);
ImageString($im,4,50,"Sales",$white);

//out image
Header("Content-type:image/png");
ImagePng($im);

//clean up
ImageDestroy($im);

?>

screen output :

Fatal error: Call to undefined function: imagecreate() in C:\vuonlen\practice\createimage\simplegraph.php on line 6

Please help me , thanks

[barand]

It looks like you haven't enabled the gd extension.

In php.ini file, remove the ; from the beginning of the line

extension=php_gd2.dll

or

extension=php_gd.dll

and make sure you have the dll in the folder specified in the line

extension_dir = path\to\extensions

hth

[lequanganh]

Thanks about your help, 'cos i'm beginner, i hope, i will get some advice from you to study php