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Displays the type of image

Displays the type of image

<?php 
if($img = @GetImageSize("ihcomputing1.gif")) 
{ 
switch ($img[2]) 
{ 
case 1 : 
echo "image is a gif"; 
break; 
case 2 : 
echo "image is a jpeg"; 
break; 
case 3 : 
echo "image type is PNG"; 
break; 
case 4 : 
echo "image type is SWF"; 
break; 
case 5 : 
echo "image type is PSD"; 
break; 
case 6 : 
echo "image type is BMP"; 
break; 
} 
} 
else 
{ 
echo "image does not exist"; 
} 
?>

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