(</span><span style="color: #DD0000">'/\s*,\s*/'</span><span style="color: #007700">,</span><span style="color: #0000BB">trim</span><span style="color: #007700">(</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">select</span><span style="color: #007700">),-</span><span style="color: #0000BB">1</span><span style="color: #007700">,</span><span style="color: #0000BB">PREG_SPLIT_NO_EMPTY</span><span style="color: #007700">):</span><span style="