Is there an easy way to "get" an image's size in PHP without javascript?

Question

Say I have the URL of an image, is there an easy way to get it's height/width using PHP? I'd prefer not to use javascript if possible.

Answer 1

You could use getimagesize

The getimagesize() function will determine the size of any given image file and return the dimensions along with the file type and a height/width text string to be used inside a normal HTML tag and the correspondant HTTP content type.

Returns an array with 7 elements.

Index 0 and 1 contains respectively the width and the height of the image.

list($width, $height, $type, $attr) = getimagesize("yourimage.jpg");

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Also there is imagesx and imagesy functions to get width and height of images individually.