pan style="color: #000000">
<span style="color: #0000BB"></span><span style="color: #007700">public&nbsp;function&nbsp;</span><span style="color: #0000BB">push</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;++</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">_c</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span