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154 lines
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HTML
154 lines
6.2 KiB
HTML
<!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>创建一个数组，用一个数组的值作为其键名，另一个数组的值作为其值</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.array-combine" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">array_combine</h1>
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<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">array_combine</span> — <span class="dc-title">
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创建一个数组，用一个数组的值作为其键名，另一个数组的值作为其值
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.array-combine-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>array_combine</strong></span>
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( <span class="methodparam"><span class="type">array</span> <code class="parameter">$keys</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$values</code></span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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返回一个 <span class="type"><a href="language.types.array.html" class="type array">array</a></span>，用来自
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<code class="parameter">keys</code> 数组的值作为键名，来自
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<code class="parameter">values</code> 数组的值作为相应的值。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.array-combine-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">keys</code></dt>
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<dd>
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<p class="para">
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将被作为新数组的键。非法的值将会被转换为字符串类型（<span class="type"><a href="language.types.string.html" class="type string">string</a></span>）。
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</p>
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</dd>
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<dt>
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<code class="parameter">values</code></dt>
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<dd>
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<p class="para">
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将被作为 <span class="type"><a href="language.types.array.html" class="type Array">Array</a></span> 的值。
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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.array-combine-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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返回合并的 <span class="type"><a href="language.types.array.html" class="type array">array</a></span>，如果两个数组的单元数不同则返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 errors" id="refsect1-function.array-combine-errors">
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<h3 class="title">错误／异常</h3>
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<p class="para">
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如果作为<code class="parameter">keys</code>的数组和作为<code class="parameter">values</code>的数组的元素个数不一样，将会抛出一个警告错误（<strong><code>E_WARNING</code></strong>）。
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</p>
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</div>
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<div class="refsect1 changelog" id="refsect1-function.array-combine-changelog">
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<h3 class="title">更新日志</h3>
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<p class="para">
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>版本</th>
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<th>说明</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>5.4.0</td>
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<td>
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（修复）早期版本中如果是空数组就报<strong><code>E_WARNING</code></strong>的错并且返回<strong><code>FALSE</code></strong>。
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</td>
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</tr>
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</tbody>
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</table>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.array-combine-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-6017">
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<p><strong>Example #1 一个 <span class="function"><strong>array_combine()</strong></span> 简单的例子</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 />$a </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'green'</span><span style="color: #007700">, </span><span style="color: #DD0000">'red'</span><span style="color: #007700">, </span><span style="color: #DD0000">'yellow'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$b </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'avocado'</span><span style="color: #007700">, </span><span style="color: #DD0000">'apple'</span><span style="color: #007700">, </span><span style="color: #DD0000">'banana'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$c </span><span style="color: #007700">= </span><span style="color: #0000BB">array_combine</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$c</span><span style="color: #007700">);<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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Array
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(
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[green] => avocado
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[red] => apple
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[yellow] => banana
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)
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</pre></div>
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</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.array-combine-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="array_merge.html" class="function" rel="rdfs-seeAlso">array_merge()</a> - 合并一个或多个数组</span></li>
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<li class="member"><span class="function"><a href="array_walk.html" class="function" rel="rdfs-seeAlso">array_walk()</a> - 使用用户自定义函数对数组中的每个元素做回调处理</span></li>
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<li class="member"><span class="function"><a href="array_values.html" class="function" rel="rdfs-seeAlso">array_values()</a> - 返回数组中所有的值</span></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> |