color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">_rules&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$rule</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if((</span><span style="color: #0000BB">$r</span><span style="color: #007700">=</span><span style="color: #0000BB">$rule</span><span style="color: 