mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 13:57:03 +08:00
120 lines
5.2 KiB
HTML
120 lines
5.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||
<html>
|
||
<head>
|
||
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
||
<title>对数组逆向排序</title>
|
||
</head>
|
||
<body class="docs"><div id="layout">
|
||
<div id="layout-content"><div id="function.rsort" class="refentry">
|
||
<div class="refnamediv">
|
||
<h1 class="refname">rsort</h1>
|
||
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">rsort</span> — <span class="dc-title">对数组逆向排序</span></p>
|
||
|
||
</div>
|
||
<div class="refsect1 description" id="refsect1-function.rsort-description">
|
||
<h3 class="title">说明</h3>
|
||
<div class="methodsynopsis dc-description">
|
||
<span class="methodname"><strong>rsort</strong></span>
|
||
( <span class="methodparam"><span class="type">array</span> <code class="parameter reference">&$array</code></span>
|
||
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$sort_flags</code><span class="initializer"> = SORT_REGULAR</span></span>
|
||
] ) : <span class="type">bool</span></div>
|
||
|
||
<p class="para rdfs-comment">
|
||
本函数对数组进行逆向排序（最高到最低）。
|
||
</p>
|
||
<blockquote class="note"><p><strong class="note">Note</strong>:
|
||
<p class="para">
|
||
If two members compare as equal, their relative order in the sorted array is undefined.
|
||
</p>
|
||
</p></blockquote>
|
||
|
||
</div>
|
||
|
||
<div class="refsect1 parameters" id="refsect1-function.rsort-parameters">
|
||
<h3 class="title">参数</h3>
|
||
<p class="para">
|
||
<dl>
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">array</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
输入的数组。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">sort_flags</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
可以用可选参数 <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>。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
</dl>
|
||
|
||
</p>
|
||
</div>
|
||
|
||
<div class="refsect1 returnvalues" id="refsect1-function.rsort-returnvalues">
|
||
<h3 class="title">返回值</h3>
|
||
<p class="para">
|
||
成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
|
||
</p>
|
||
</div>
|
||
|
||
<div class="refsect1 examples" id="refsect1-function.rsort-examples">
|
||
<h3 class="title">范例</h3>
|
||
<p class="para">
|
||
<div class="example" id="example-6116">
|
||
<p><strong>Example #1 <span class="function"><strong>rsort()</strong></span> 例</strong></p>
|
||
<div class="example-contents">
|
||
<div class="phpcode"><pre><span style="color: #000000">
|
||
<span style="color: #0000BB"><?php<br />$fruits </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"lemon"</span><span style="color: #007700">, </span><span style="color: #DD0000">"orange"</span><span style="color: #007700">, </span><span style="color: #DD0000">"banana"</span><span style="color: #007700">, </span><span style="color: #DD0000">"apple"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">rsort</span><span style="color: #007700">(</span><span style="color: #0000BB">$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>
|
||
</span>
|
||
</pre></div>
|
||
</div>
|
||
|
||
<div class="example-contents"><p>以上例程会输出：</p></div>
|
||
<div class="example-contents screen">
|
||
<div class="cdata"><pre>
|
||
0 = orange
|
||
1 = lemon
|
||
2 = banana
|
||
3 = apple
|
||
</pre></div>
|
||
</div>
|
||
<div class="example-contents"><p>
|
||
fruits 被按照字母顺序逆向排序。
|
||
</p></div>
|
||
</div>
|
||
</p>
|
||
</div>
|
||
|
||
<div class="refsect1 notes" id="refsect1-function.rsort-notes">
|
||
<h3 class="title">注释</h3>
|
||
<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数为 <code class="parameter">array</code>
|
||
中的元素赋与新的键名。这将删除原有的键名，而不是仅仅将键名重新排序。</span></p></blockquote>
|
||
</div>
|
||
|
||
<div class="refsect1 seealso" id="refsect1-function.rsort-seealso">
|
||
<h3 class="title">参见</h3>
|
||
<p class="para">
|
||
<ul class="simplelist">
|
||
<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>
|
||
<li class="member"><span class="function"><a href="krsort.html" class="function" rel="rdfs-seeAlso">krsort()</a> - 对数组按照键名逆向排序</span></li>
|
||
<li class="member"><a href="array.sorting.html" class="link">数组排序函数对比</a></li>
|
||
</ul>
|
||
</p>
|
||
</div>
|
||
|
||
</div></div></div></body></html> |