arsort

实例

按照键值对关联数组进行降序排序：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$age</span><span class="token operator">=</span><span class="token keyword">array</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"Bill"</span><span class="token operator">=></span><span class="token string double-quoted-string">"60"</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"Steve"</span><span class="token operator">=></span><span class="token string double-quoted-string">"56"</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"Mark"</span><span class="token operator">=></span><span class="token string double-quoted-string">"31"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function"></span><mark><span class="token function">arsort</span><span class="token punctuation">(</span><span class="token variable">$age</span><span class="token punctuation">)</span></mark><span class="token punctuation"></span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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