r />&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;foreach(</span><span style="color: #0000BB">$functions&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$func</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(</span><span style="color: #0000BB">is_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style=