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v0.0.2
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>对数组进行排序并保持索引关系</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.asort" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">asort</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">asort</span> — <span class="dc-title">对数组进行排序并保持索引关系</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.asort-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>asort</strong></span>
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( <span class="methodparam"><span class="type">array</span> <code class="parameter reference">&$array</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$sort_flags</code><span class="initializer"> = SORT_REGULAR</span></span>
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] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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本函数对数组进行排序，数组的索引保持和单元的关联。主要用于对那些单元顺序很重要的结合数组进行排序。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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If two members compare as equal, their relative order in the sorted array is undefined.
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.asort-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">array</code></dt>
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<dd>
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<p class="para">
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输入的数组。
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</p>
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</dd>
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<dt>
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<code class="parameter">sort_flags</code></dt>
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<dd>
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<p class="para">
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可以用可选的参数 <code class="parameter">sort_flags</code> 改变排序的行为，详情见 <span class="function"><a href="sort.html" class="function">sort()</a></span>。
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.asort-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.asort-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-6088">
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<p><strong>Example #1 <span class="function"><strong>asort()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$fruits </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"d" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"lemon"</span><span style="color: #007700">, </span><span style="color: #DD0000">"a" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"orange"</span><span style="color: #007700">, </span><span style="color: #DD0000">"b" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"banana"</span><span style="color: #007700">, </span><span style="color: #DD0000">"c" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"apple"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">asort</span><span style="color: #007700">(</span><span style="color: #0000BB">$fruits</span><span style="color: #007700">);<br />foreach (</span><span style="color: #0000BB">$fruits </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=> </span><span style="color: #0000BB">$val</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$key</span><span style="color: #DD0000"> = </span><span style="color: #0000BB">$val</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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c = apple
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b = banana
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d = lemon
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a = orange
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</pre></div>
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</div>
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<div class="example-contents"><p>
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fruits 被按照字母顺序排序，并且单元的索引关系不变。
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</p></div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.asort-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="arsort.html" class="function" rel="rdfs-seeAlso">arsort()</a> - 对数组进行逆向排序并保持索引关系</span></li>
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<li class="member"><a href="array.sorting.html" class="link">数组排序函数对比</a></li>
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</ul>
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</p>
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</div>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>对数组进行排序并保持索引关系</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.asort" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">asort</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">asort</span> — <span class="dc-title">对数组进行排序并保持索引关系</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.asort-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>asort</strong></span>
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( <span class="methodparam"><span class="type">array</span> <code class="parameter reference">&$array</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$sort_flags</code><span class="initializer"> = SORT_REGULAR</span></span>
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] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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本函数对数组进行排序，数组的索引保持和单元的关联。主要用于对那些单元顺序很重要的结合数组进行排序。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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If two members compare as equal, their relative order in the sorted array is undefined.
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.asort-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">array</code></dt>
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<dd>
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<p class="para">
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输入的数组。
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</p>
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</dd>
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<dt>
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<code class="parameter">sort_flags</code></dt>
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<dd>
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<p class="para">
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可以用可选的参数 <code class="parameter">sort_flags</code> 改变排序的行为，详情见 <span class="function"><a href="sort.html" class="function">sort()</a></span>。
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.asort-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.asort-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-6088">
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<p><strong>Example #1 <span class="function"><strong>asort()</strong></span> 例子</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$fruits </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"d" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"lemon"</span><span style="color: #007700">, </span><span style="color: #DD0000">"a" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"orange"</span><span style="color: #007700">, </span><span style="color: #DD0000">"b" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"banana"</span><span style="color: #007700">, </span><span style="color: #DD0000">"c" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"apple"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">asort</span><span style="color: #007700">(</span><span style="color: #0000BB">$fruits</span><span style="color: #007700">);<br />foreach (</span><span style="color: #0000BB">$fruits </span><span style="color: #007700">as </span><span style="color: #0000BB">$key </span><span style="color: #007700">=> </span><span style="color: #0000BB">$val</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$key</span><span style="color: #DD0000"> = </span><span style="color: #0000BB">$val</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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c = apple
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b = banana
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d = lemon
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a = orange
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</pre></div>
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</div>
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<div class="example-contents"><p>
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fruits 被按照字母顺序排序，并且单元的索引关系不变。
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</p></div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.asort-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="arsort.html" class="function" rel="rdfs-seeAlso">arsort()</a> - 对数组进行逆向排序并保持索引关系</span></li>
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<li class="member"><a href="array.sorting.html" class="link">数组排序函数对比</a></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html>
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