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124 lines
5.7 KiB
HTML
124 lines
5.7 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>递归地合并一个或多个数组</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-merge-recursive" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">array_merge_recursive</h1>
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<p class="verinfo">(PHP 4 >= 4.0.1, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">array_merge_recursive</span> — <span class="dc-title">递归地合并一个或多个数组</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.array-merge-recursive-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_merge_recursive</strong></span>
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( <span class="methodparam"><span class="type">array</span> <code class="parameter">$array1</code></span>
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[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$...</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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<span class="function"><strong>array_merge_recursive()</strong></span> 将一个或多个数组的单元合并起来，一个数组中的值附加在前一个数组的后面。返回作为结果的数组。
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</p>
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<p class="para">
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如果输入的数组中有相同的字符串键名，则这些值会被合并到一个数组中去，这将递归下去，因此如果一个值本身是一个数组，本函数将按照相应的条目把它合并为另一个数组。需要注意的是，如果数组具有相同的数值键名，后一个值将不会覆盖原来的值，而是附加到后面。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.array-merge-recursive-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">array1</code></dt>
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<dd>
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<p class="para">
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要合并的初始数组。
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</p>
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</dd>
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<dt>
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<code class="parameter">...</code></dt>
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<dd>
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<p class="para">
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数组变量列表，进行递归合并。
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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-merge-recursive-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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一个结果数组，其中的值合并自附加的参数。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.array-merge-recursive-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-6046">
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<p><strong>Example #1 <span class="function"><strong>array_merge_recursive()</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 />$ar1 </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"color" </span><span style="color: #007700">=> array(</span><span style="color: #DD0000">"favorite" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"red"</span><span style="color: #007700">), </span><span style="color: #0000BB">5</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$ar2 </span><span style="color: #007700">= array(</span><span style="color: #0000BB">10</span><span style="color: #007700">, </span><span style="color: #DD0000">"color" </span><span style="color: #007700">=> array(</span><span style="color: #DD0000">"favorite" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"green"</span><span style="color: #007700">, </span><span style="color: #DD0000">"blue"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">array_merge_recursive</span><span style="color: #007700">(</span><span style="color: #0000BB">$ar1</span><span style="color: #007700">, </span><span style="color: #0000BB">$ar2</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</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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[color] => Array
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(
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[favorite] => Array
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(
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[0] => red
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[1] => green
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)
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[0] => blue
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)
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[0] => 5
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[1] => 10
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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-merge-recursive-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_replace_recursive.html" class="function" rel="rdfs-seeAlso">array_replace_recursive()</a> - 使用传递的数组递归替换第一个数组的元素</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> |