an><span style="color: #007700">;</span><span style="color: #0000BB">$i</span><span style="color: #007700">&lt;</span><span style="color: #0000BB">$n</span><span style="color: #007700">-</span><span style="color: #0000BB">1</span><span style="color: #007700">;</span><span style="color: #0000BB">$i</span><span style="color: #007700">+=</span><span style="color: #0000BB">2</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span styl