What does this complex ahref statement mean ?

[astoller]

Am having great difficulty understanding this line of code.
Can you exlain it please?

<a href="'.$PHP_SELF.'?reference='.$reference.'&location='.$location.'&size='.$size.'&offset='.($min - 1).'">'.$min.'-'.$max.'</a>';

Thanks
Art

[stolzyboy]

its for pagination code

like

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