span style="color: #007700">,</span><span style="color: #0000BB">$prefix</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$keyNames</span><span style="color: #007700">=array();<br />&nbsp;&nbsp;&nbsp;&nbsp;foreach(</span><span style="color: #0000BB">array_keys</span><span style="color: #007700">(</span><span style="color: #0000BB">$values</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">])