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My provious environment is php 5.2, now is php 5.3. When I moved the website to new environment, it shows the error

The error warning is:

Fatal error: Call to undefined function imagecreatefrompng() in xx/application/libraries/crop2.php on line 537

and the error code is the ninth line in the following code:

protected function IM($file) 
{ 
 if(!file_exists($file)) die('File not exists.'); 
 $info = getimagesize($file); 
 switch($info['mime']) 
 { 
 case 'image/gif': 
 $mim = imagecreatefromgif($file); 
 break; 
 case 'image/png': 
 $mim = imagecreatefrompng($file); // the error line 
 imagealphablending($mim, false); 
 imagesavealpha($mim, true); 
 break; 
 case 'image/jpeg': 
 $mim = imagecreatefromjpeg($file); 
 break; 
 default: 
 die('File format errors.'); 
 } 
 return $mim; 
}

How should I change it?

asked Sep 2, 2011 at 3:27
2
  • 1
    Apparently your new environment doesn't have PHP-GD installed or enabled. Commented Sep 2, 2011 at 3:29
  • 1
    phpinfo() and search for GD Commented Sep 2, 2011 at 3:29

1 Answer 1

1

With the help of phpinfo() check whether you have GD library for PHP installed. Seems like it's missing.

Vishwanath Dalvi
36.9k41 gold badges128 silver badges156 bronze badges
answered Sep 2, 2011 at 4:08
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