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<h1 id="head">
  <span>Method: 
PHPCrawler::addLinkPriority()</span>
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 <span><a href="overview.html"><< Back to class-overview</a></span>
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Adds a regular expression togehter with a priority-level to the list of rules that decide what links should be prefered.
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<b>Signature:</b>
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public addLinkPriority($regex, $level)
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<b>Parameters:</b>
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<tr><td id="paramname" width="1%"><b>$regex</b>&nbsp;</td><td width="1%"><i><i>string</i></i>&nbsp;</td><td width="*">Regular expression definig the rule</td></tr><tr><td id="paramname" width="1%"><b>$level</b>&nbsp;</td><td width="1%"><i><i>int</i></i>&nbsp;</td><td width="*">The priority-level</td></tr>
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<b>Returns:</b>
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<tr> <td width="1%"><i><i>bool</i></i>&nbsp;</td> <td width="*">  TRUE if a valid preg-pattern is given as argument and was succsessfully added, otherwise it returns FALSE.</td></tr>
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<b>Description:</b>
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Links/URLs that match an expression with a high priority-level will be followed before links with a lower level.<br>All links that don't match with any of the given rules will get the level 0 (lowest level) automatically.<br><br>The level can be any positive integer.<br><br><b>Example:</b><br><br>Telling the crawler to follow links that contain the string "forum" before links that contain ".gif" before all other found links.<code>$crawler-&gt;addLinkPriority("/forum/", 10);<br>$cralwer-&gt;addLinkPriority("/\.gif/", 5);</code>
  
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