rn-type">array&lt;string|int, mixed&gt;&nbsp;</span><span class="phpdocumentor-signature__argument__reference-operator">&amp;</span><span class="phpdocumentor-signature__argument__name">$arr</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$path</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-si