PHP Truncate

Is there anyway i can truncate a string to take off the last 4 chars and then replace them with .JPG
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Matthew TandyTechnical ArchitectAsked:
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BrianGEFF719Commented:
The below code will remove the extension from the file name and change it to .jpg

$filename = "picturename.bmp";
$str = substr($filename, 0, strlen($filename) - 4) . ".JPG";
echo $str;


Good Luck

-Brian

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Matthew TandyTechnical ArchitectAuthor Commented:
thanks you were most helpful and very fast
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