mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 13:57:03 +08:00
177 lines
15 KiB
HTML
177 lines
15 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>带索引检查计算数组的差集，用回调函数比较数据和索引</title>
|
|
</head>
|
|
<body class="docs"><div id="layout">
|
|
<div id="layout-content"><div id="function.array-udiff-uassoc" class="refentry">
|
|
<div class="refnamediv">
|
|
<h1 class="refname">array_udiff_uassoc</h1>
|
|
<p class="verinfo">(PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">array_udiff_uassoc</span> — <span class="dc-title">带索引检查计算数组的差集，用回调函数比较数据和索引</span></p>
|
|
|
|
</div>
|
|
<div class="refsect1 description" id="refsect1-function.array-udiff-uassoc-description">
|
|
<h3 class="title">说明</h3>
|
|
<div class="methodsynopsis dc-description">
|
|
<span class="methodname"><strong>array_udiff_uassoc</strong></span>
|
|
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$array1</code></span>
|
|
, <span class="methodparam"><span class="type">array</span> <code class="parameter">$array2</code></span>
|
|
[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$...</code></span>
|
|
], <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$value_compare_func</code></span>
|
|
, <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$key_compare_func</code></span>
|
|
) : <span class="type">array</span></div>
|
|
|
|
<p class="para rdfs-comment">
|
|
<span class="function"><strong>array_udiff_uassoc()</strong></span> 返回一个数组，该数组包括了所有在
|
|
<code class="parameter">array1</code> 中但是不在任何其它参数数组中的值。
|
|
</p>
|
|
<p class="para">
|
|
注意和
|
|
<span class="function"><a href="array_diff.html" class="function">array_diff()</a></span> 与 <span class="function"><a href="array_udiff.html" class="function">array_udiff()</a></span>
|
|
不同的是键名也用于比较。
|
|
</p>
|
|
</div>
|
|
|
|
<div class="refsect1 parameters" id="refsect1-function.array-udiff-uassoc-parameters">
|
|
<h3 class="title">参数</h3>
|
|
<p class="para">
|
|
<dl>
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">array1</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
第一个数组。
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">array2</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
第二个数组。
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">value_compare_func</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
在第一个参数小于，等于或大于第二个参数时，该比较函数必须相应地返回一个小于，等于或大于 0 的整数。
|
|
</p>
|
|
<div class="methodsynopsis dc-description"><span class="methodname"><span class="replaceable">callback</span></span> ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$a</code></span>, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$b</code></span> ) : <span class="type">int</span></div>
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">key_compare_func</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
对键名（索引）的检查也是由回调函数
|
|
<code class="parameter">key_compare_func</code> 进行的。这和
|
|
<span class="function"><a href="array_udiff_assoc.html" class="function">array_udiff_assoc()</a></span> 的行为不同，后者是用内部函数比较索引的。
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
</dl>
|
|
|
|
</p>
|
|
</div>
|
|
|
|
<div class="refsect1 returnvalues" id="refsect1-function.array-udiff-uassoc-returnvalues">
|
|
<h3 class="title">返回值</h3>
|
|
<p class="para">
|
|
Returns an <span class="type"><a href="language.types.array.html" class="type array">array</a></span> containing all the values from
|
|
<code class="parameter">array1</code> that are not present in any of the other
|
|
arguments.
|
|
</p>
|
|
</div>
|
|
|
|
<div class="refsect1 examples" id="refsect1-function.array-udiff-uassoc-examples">
|
|
<h3 class="title">范例</h3>
|
|
<p class="para">
|
|
<div class="example" id="example-6071">
|
|
<p><strong>Example #1 <span class="function"><strong>array_udiff_uassoc()</strong></span> 例子</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">cr </span><span style="color: #007700">{<br /> private </span><span style="color: #0000BB">$priv_member</span><span style="color: #007700">;<br /> function </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">$val</span><span style="color: #007700">)<br /> {<br /> </span><span style="color: #0000BB">$this</span><span style="color: #007700">-></span><span style="color: #0000BB">priv_member </span><span style="color: #007700">= </span><span style="color: #0000BB">$val</span><span style="color: #007700">;<br /> }<br /><br /> static function </span><span style="color: #0000BB">comp_func_cr</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">)<br /> {<br /> if (</span><span style="color: #0000BB">$a</span><span style="color: #007700">-></span><span style="color: #0000BB">priv_member </span><span style="color: #007700">=== </span><span style="color: #0000BB">$b</span><span style="color: #007700">-></span><span style="color: #0000BB">priv_member</span><span style="color: #007700">) return </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br /> return (</span><span style="color: #0000BB">$a</span><span style="color: #007700">-></span><span style="color: #0000BB">priv_member </span><span style="color: #007700">> </span><span style="color: #0000BB">$b</span><span style="color: #007700">-></span><span style="color: #0000BB">priv_member</span><span style="color: #007700">)? </span><span style="color: #0000BB">1</span><span style="color: #007700">:-</span><span style="color: #0000BB">1</span><span style="color: #007700">;<br /> }<br /><br /> static function </span><span style="color: #0000BB">comp_func_key</span><span style="color: #007700">(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">)<br /> {<br /> if (</span><span style="color: #0000BB">$a </span><span style="color: #007700">=== </span><span style="color: #0000BB">$b</span><span style="color: #007700">) return </span><span style="color: #0000BB">0</span><span style="color: #007700">;<br /> return (</span><span style="color: #0000BB">$a </span><span style="color: #007700">> </span><span style="color: #0000BB">$b</span><span style="color: #007700">)? </span><span style="color: #0000BB">1</span><span style="color: #007700">:-</span><span style="color: #0000BB">1</span><span style="color: #007700">;<br /> }<br />}<br /></span><span style="color: #0000BB">$a </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"0.1" </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">9</span><span style="color: #007700">), </span><span style="color: #DD0000">"0.5" </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">12</span><span style="color: #007700">), </span><span style="color: #0000BB">0 </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">23</span><span style="color: #007700">), </span><span style="color: #0000BB">1</span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">4</span><span style="color: #007700">), </span><span style="color: #0000BB">2 </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(-</span><span style="color: #0000BB">15</span><span style="color: #007700">),);<br /></span><span style="color: #0000BB">$b </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"0.2" </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">9</span><span style="color: #007700">), </span><span style="color: #DD0000">"0.5" </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">22</span><span style="color: #007700">), </span><span style="color: #0000BB">0 </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">3</span><span style="color: #007700">), </span><span style="color: #0000BB">1</span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(</span><span style="color: #0000BB">4</span><span style="color: #007700">), </span><span style="color: #0000BB">2 </span><span style="color: #007700">=> new </span><span style="color: #0000BB">cr</span><span style="color: #007700">(-</span><span style="color: #0000BB">15</span><span style="color: #007700">),);<br /><br /></span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">array_udiff_uassoc</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">, array(</span><span style="color: #DD0000">"cr"</span><span style="color: #007700">, </span><span style="color: #DD0000">"comp_func_cr"</span><span style="color: #007700">), array(</span><span style="color: #DD0000">"cr"</span><span style="color: #007700">, </span><span style="color: #DD0000">"comp_func_key"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
<div class="example-contents"><p>以上例程会输出：</p></div>
|
|
<div class="example-contents screen">
|
|
<div class="cdata"><pre>
|
|
Array
|
|
(
|
|
[0.1] => cr Object
|
|
(
|
|
[priv_member:private] => 9
|
|
)
|
|
|
|
[0.5] => cr Object
|
|
(
|
|
[priv_member:private] => 12
|
|
)
|
|
|
|
[0] => cr Object
|
|
(
|
|
[priv_member:private] => 23
|
|
)
|
|
)
|
|
</pre></div>
|
|
</div>
|
|
</div>
|
|
</p>
|
|
<p class="simpara">
|
|
在上例中键值对 <em>"1" => new cr(4)</em>
|
|
同时出现在两个数组中，因此不在本函数的输出中。要记住必须提供两个回调函数。
|
|
</p>
|
|
</div>
|
|
|
|
<div class="refsect1 notes" id="refsect1-function.array-udiff-uassoc-notes">
|
|
<h3 class="title">注释</h3>
|
|
<blockquote class="note"><p><strong class="note">Note</strong>:
|
|
<span class="simpara">
|
|
注意本函数只检查了多维数组中的一维。当然，可以用
|
|
<em>array_udiff_uassoc($array1[0], $array2[0], "data_compare_func", "key_compare_func");</em>
|
|
来检查更深的维度。
|
|
</span>
|
|
</p></blockquote>
|
|
</div>
|
|
|
|
<div class="refsect1 seealso" id="refsect1-function.array-udiff-uassoc-seealso">
|
|
<h3 class="title">参见</h3>
|
|
<p class="para">
|
|
<ul class="simplelist">
|
|
<li class="member"><span class="function"><a href="array_diff.html" class="function" rel="rdfs-seeAlso">array_diff()</a> - 计算数组的差集</span></li>
|
|
<li class="member"><span class="function"><a href="array_diff_assoc.html" class="function" rel="rdfs-seeAlso">array_diff_assoc()</a> - 带索引检查计算数组的差集</span></li>
|
|
<li class="member"><span class="function"><a href="array_udiff.html" class="function" rel="rdfs-seeAlso">array_udiff()</a> - 用回调函数比较数据来计算数组的差集</span></li>
|
|
<li class="member"><span class="function"><a href="array_udiff_assoc.html" class="function" rel="rdfs-seeAlso">array_udiff_assoc()</a> - 带索引检查计算数组的差集，用回调函数比较数据</span></li>
|
|
<li class="member"><span class="function"><a href="array_intersect.html" class="function" rel="rdfs-seeAlso">array_intersect()</a> - 计算数组的交集</span></li>
|
|
<li class="member"><span class="function"><a href="array_intersect_assoc.html" class="function" rel="rdfs-seeAlso">array_intersect_assoc()</a> - 带索引检查计算数组的交集</span></li>
|
|
<li class="member"><span class="function"><a href="array_uintersect.html" class="function" rel="rdfs-seeAlso">array_uintersect()</a> - 计算数组的交集，用回调函数比较数据</span></li>
|
|
<li class="member"><span class="function"><a href="array_uintersect_assoc.html" class="function" rel="rdfs-seeAlso">array_uintersect_assoc()</a> - 带索引检查计算数组的交集，用回调函数比较数据</span></li>
|
|
<li class="member"><span class="function"><a href="array_uintersect_uassoc.html" class="function" rel="rdfs-seeAlso">array_uintersect_uassoc()</a> - 带索引检查计算数组的交集，用单独的回调函数比较数据和索引</span></li>
|
|
</ul>
|
|
</p>
|
|
</div>
|
|
|
|
</div></div></div></body></html> |