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ddelon |
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<div class="page">
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<?php
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/* NOTE: This is a really cheap way to do it. I think it may be more intelligent to write the two
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pages to temporary files and run /usr/bin/diff over them. Then again, maybe not. */
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// load pages
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$pageA = $this->LoadPageById($_REQUEST["a"]);
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$pageB = $this->LoadPageById($_REQUEST["b"]);
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// prepare bodies
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$bodyA = explode("\n", $pageA["body"]);
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$bodyB = explode("\n", $pageB["body"]);
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$added = array_diff($bodyA, $bodyB);
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$deleted = array_diff($bodyB, $bodyA);
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$output .= "<b>Comparing <a href=\"".$this->href("", "", "time=".urlencode($pageA["time"]))."\">".$pageA["time"]."</a> to <a href=\"".$this->href("", "", "time=".urlencode($pageB["time"]))."\">".$pageB["time"]."</a></b><br />\n";
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if ($added)
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{
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// remove blank lines
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$output .= "<br />\n<b>Additions:</b><br />\n";
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$output .= "<div class=\"additions\">".$this->Format(implode("\n", $added))."</div>";
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}
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if ($deleted)
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{
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$output .= "<br />\n<b>Deletions:</b><br />\n";
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$output .= "<div class=\"deletions\">".$this->Format(implode("\n", $deleted))."</div>";
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}
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if (!$added && !$deleted)
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{
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$output .= "<br />\nNo differences.";
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}
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print($output);
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?>
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</div>
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