Fatal error: Can't use function return value in write context
<p>the page code is all html and it wont load bec. of this error:
Fatal error: Can't use function return value in write context line 142
code:</p>

<pre><code>&lt;div&gt;
    &lt;div class=""&gt;
        &lt;input type="text" id="select_shelves" name="select_shelves" class="shelves_select_and_buttons" /&gt;
        &lt;div id="shelves_menu" &gt;
            &lt;ul&gt;
                &lt;li id="li_" onclick="printValue();"&gt;option5 &lt;= line 142 &lt;/li&gt;
            &lt;/ul&gt;
        &lt;/div&gt;
    &lt;/div&gt;
    &lt;div class="button"&gt;
        &lt;input type="button" onclick="dropShelves();" id="Shelves_select_button" name="Shelves_select_button" value="" class="grey_button"/&gt;
    &lt;/div&gt;
&lt;/div&gt;
</code></pre>
