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$n > 0; $abs = "$host$path/$rel"; function rel2abs($rel, $base) { function hook_render_article($article) { } function get_img_tags($xpath, $query, &$article, $base_url=NULL) { /* absolute URL */ $abs = "$host$path/$rel"; /* replace '//' or '/./' or '/foo/../' with '/' */ $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) { } //Sites that provide images and just need alt tags.

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