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'//' or '/./' or '/foo/../' with '/' */ $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} /* absolute URL */ $abs = "$host$path/$rel"; /* replace '//' or '/./' or '/foo/../' with '/' */ } /* replace '//' or '/./' or '/foo/../' with '/' */ $re = array( '#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#' ); for ($n = 1; top_margin = (board_height - hole_vdist) / 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2; standoff_radius = hole_radius * 2.5; standoff_height = 3; // Length of the program.

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