s="string">"%array_length"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;get&nbsp;:&nbsp;<span class="keywordsign">'</span>a&nbsp;array&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a&nbsp;=&nbsp;<span class="string">"%array_safe_get"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;set&nbsp;:&nbsp;<span class="keywordsign">'</span>a&nbsp;array&nbsp;<span class="keywordsign">-&gt;</