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network: Caching of images
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@ -823,6 +823,12 @@ function scale_external_images($s, $include_link = true, $scale_replace = false)
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$scaled = $mtch[1];
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$i = fetch_url($scaled);
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$cache = get_config('system','itemcache');
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if (($cache != '') and is_dir($cache)) {
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$cachefile = $cache."/".hash("md5", $scaled);
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file_put_contents($cachefile, $i);
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}
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// guess mimetype from headers or filename
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$type = guess_image_type($mtch[1],true);
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