mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 05:26:57 +08:00
153 lines
7.1 KiB
HTML
153 lines
7.1 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>设置/获取断言的各种标志</title>
|
||
</head>
|
||
<body class="docs"><div id="layout">
|
||
<div id="layout-content"><div id="function.assert-options" class="refentry">
|
||
<div class="refnamediv">
|
||
<h1 class="refname">assert_options</h1>
|
||
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">assert_options</span> — <span class="dc-title">设置/获取断言的各种标志</span></p>
|
||
|
||
</div>
|
||
|
||
<div class="refsect1 description" id="refsect1-function.assert-options-description">
|
||
<h3 class="title">说明</h3>
|
||
<div class="methodsynopsis dc-description">
|
||
<span class="methodname"><strong>assert_options</strong></span>
|
||
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$what</code></span>
|
||
[, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>
|
||
] ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
|
||
|
||
<p class="para rdfs-comment">
|
||
设置 <span class="function"><a href="assert.html" class="function">assert()</a></span> 的各种控制选项，或者是仅仅查询当前的设置。
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 parameters" id="refsect1-function.assert-options-parameters">
|
||
<h3 class="title">参数</h3>
|
||
<p class="para">
|
||
<dl>
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">what</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
<table class="doctable table">
|
||
<caption><strong>断言标志</strong></caption>
|
||
|
||
<thead>
|
||
<tr>
|
||
<th>标志</th>
|
||
<th>INI 设置</th>
|
||
<th>默认值</th>
|
||
<th>描述</th>
|
||
</tr>
|
||
|
||
</thead>
|
||
|
||
<tbody class="tbody">
|
||
<tr>
|
||
<td>ASSERT_ACTIVE</td>
|
||
<td>assert.active</td>
|
||
<td>1</td>
|
||
<td>启用 <span class="function"><a href="assert.html" class="function">assert()</a></span> 断言</td>
|
||
</tr>
|
||
|
||
<tr>
|
||
<td>ASSERT_WARNING</td>
|
||
<td>assert.warning</td>
|
||
<td>1</td>
|
||
<td>为每个失败的断言产生一个 PHP 警告（warning）</td>
|
||
</tr>
|
||
|
||
<tr>
|
||
<td>ASSERT_BAIL</td>
|
||
<td>assert.bail</td>
|
||
<td>0</td>
|
||
<td>在断言失败时中止执行</td>
|
||
</tr>
|
||
|
||
<tr>
|
||
<td>ASSERT_QUIET_EVAL</td>
|
||
<td>assert.quiet_eval</td>
|
||
<td>0</td>
|
||
<td>
|
||
在断言表达式求值时禁用 error_reporting
|
||
</td>
|
||
</tr>
|
||
|
||
<tr>
|
||
<td>ASSERT_CALLBACK</td>
|
||
<td>assert.callback</td>
|
||
<td>(<strong><code>NULL</code></strong>)</td>
|
||
<td>断言失败时调用回调函数</td>
|
||
</tr>
|
||
|
||
</tbody>
|
||
|
||
</table>
|
||
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">value</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
标志的新值。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
</dl>
|
||
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 returnvalues" id="refsect1-function.assert-options-returnvalues">
|
||
<h3 class="title">返回值</h3>
|
||
<p class="para">
|
||
返回任意标志的原始设置，出错时返回 <strong><code>FALSE</code></strong>。
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 examples" id="refsect1-function.assert-options-examples">
|
||
<h3 class="title">范例</h3>
|
||
<p class="para">
|
||
<div class="example" id="example-484">
|
||
<p><strong>Example #1 <span class="function"><strong>assert_options()</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: #FF8000">// 处理断言失败时的函数<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">assert_failure</span><span style="color: #007700">()<br />{<br /> echo </span><span style="color: #DD0000">'Assert failed'</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// 我们的测试函数<br /></span><span style="color: #007700">function </span><span style="color: #0000BB">test_assert</span><span style="color: #007700">(</span><span style="color: #0000BB">$parameter</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">assert</span><span style="color: #007700">(</span><span style="color: #0000BB">is_bool</span><span style="color: #007700">(</span><span style="color: #0000BB">$parameter</span><span style="color: #007700">));<br />}<br /><br /></span><span style="color: #FF8000">// 设置断言标志<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_ACTIVE</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_BAIL</span><span style="color: #007700">, </span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_WARNING</span><span style="color: #007700">, </span><span style="color: #0000BB">false</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">assert_options</span><span style="color: #007700">(</span><span style="color: #0000BB">ASSERT_CALLBACK</span><span style="color: #007700">, </span><span style="color: #DD0000">'assert_failure'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 让一个断言会失败<br /></span><span style="color: #0000BB">test_assert</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// 由于 ASSERT_BAIL 是 true，这里永远也到不了<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'Never reached'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
|
||
</span>
|
||
</pre></div>
|
||
</div>
|
||
|
||
</div>
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 seealso" id="refsect1-function.assert-options-seealso">
|
||
<h3 class="title">参见</h3>
|
||
<p class="para">
|
||
<ul class="simplelist">
|
||
<li class="member"><span class="function"><a href="assert.html" class="function" rel="rdfs-seeAlso">assert()</a> - 检查一个断言是否为 FALSE</span></li>
|
||
</ul>
|
||
</p>
|
||
</div>
|
||
|
||
|
||
</div></div></div></body></html> |