uTools-Manuals/docs/php/hash_update.html
2019-04-28 19:00:34 +08:00

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<!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>向活跃的哈希运算上下文中填充数据</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.hash-update" class="refentry">
<div class="refnamediv">
<h1 class="refname">hash_update</h1>
<p class="verinfo">(PHP 5 &gt;= 5.1.2, PHP 7, PECL hash &gt;= 1.1)</p><p class="refpurpose"><span class="refname">hash_update</span> &mdash; <span class="dc-title">向活跃的哈希运算上下文中填充数据</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.hash-update-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>hash_update</strong></span>
( <span class="methodparam"><span class="type"><span class="type HashContext">HashContext</span></span> <code class="parameter">$context</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
) : <span class="type">bool</span></div>
</div>
<div class="refsect1 parameters" id="refsect1-function.hash-update-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">context</code></dt>
<dd>
<p class="para">
<span class="function"><a href="hash_init.html" class="function">hash_init()</a></span> 函数返回的哈希运算上下文。
</p>
</dd>
<dt>
<code class="parameter">data</code></dt>
<dd>
<p class="para">
要向哈希摘要中追加的数据。
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.hash-update-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
返回 <strong><code>TRUE</code></strong>
</p>
</div>
<div class="refsect1 changelog" id="refsect1-function.hash-update-changelog">
<h3 class="title">更新日志</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>版本</th>
<th>说明</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>7.2.0</td>
<td>
接收参数从资源类型修改为 <strong class="classname">HashContext</strong> 对象类型。
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.hash-update-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="hash_init.html" class="function" rel="rdfs-seeAlso">hash_init()</a> - 初始化增量哈希运算上下文</span></li>
<li class="member"><span class="function"><a href="hash_update_file.html" class="function" rel="rdfs-seeAlso">hash_update_file()</a> - 从文件向活跃的哈希运算上下文中填充数据</span></li>
<li class="member"><span class="function"><a href="hash_update_stream.html" class="function" rel="rdfs-seeAlso">hash_update_stream()</a> - 从打开的流向活跃的哈希运算上下文中填充数据</span></li>
<li class="member"><span class="function"><a href="hash_final.html" class="function" rel="rdfs-seeAlso">hash_final()</a> - 结束增量哈希,并且返回摘要结果</span></li>
</ul>
</p>
</div>
</div></div></div></body></html>