">-&gt;</span><span style="color: #0000BB">caseSensitive&nbsp;</span><span style="color: #007700">&amp;&amp;&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">caseSensitive</span><span style="color: #007700">===</span><span style="color: #0000BB">null&nbsp;</span><span style="color: #007700">||&nbsp;</span><span style="color: #0000BB">$this</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">caseSensitive</span>