I am writing down a function and it takes an argument which is the physical path of an image on server. I was wondering if it is possible in any way to obtain its original size
Try to use something like this:
<?php
$size = getimagesize ("img.jpg");
echo "<img src=\"img.jpg\" {$size[3]}>";
?>
An example will help you to get image height and width parameter in their separate variables like $width and $height.
list($width, $height, $type, $attr) = getimagesize('image/testimage.jpg', $info);
echo $width;
echo $height;