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99 lines
5.2 KiB
HTML
99 lines
5.2 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>Disable libxml errors and allow user to fetch error information as needed</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.libxml-use-internal-errors" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">libxml_use_internal_errors</h1>
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<p class="verinfo">(PHP 5 >= 5.1.0, PHP 7)</p><p class="refpurpose"><span class="refname">libxml_use_internal_errors</span> — <span class="dc-title">
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Disable libxml errors and allow user to fetch error information as needed
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.libxml-use-internal-errors-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>libxml_use_internal_errors</strong></span>
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([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$use_errors</code><span class="initializer"> = <strong><code>FALSE</code></strong></span></span>
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] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>libxml_use_internal_errors()</strong></span> allows you to disable
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standard libxml errors and enable user error handling.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.libxml-use-internal-errors-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">use_errors</code></dt>
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<dd>
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<p class="para">
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Enable (<strong><code>TRUE</code></strong>) user error handling or disable (<strong><code>FALSE</code></strong>) user error handling. Disabling will also clear any existing libxml errors.
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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.libxml-use-internal-errors-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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This function returns the previous value of
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<code class="parameter">use_errors</code>.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.libxml-use-internal-errors-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-6514">
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<p><strong>Example #1 A <span class="function"><strong>libxml_use_internal_errors()</strong></span> example</strong></p>
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<div class="example-contents"><p>
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This example demonstrates the basic usage of libxml errors and the value
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returned by this function.
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</p></div>
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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 /><br /></span><span style="color: #FF8000">// enable user error handling<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">libxml_use_internal_errors</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">// load the document<br /></span><span style="color: #0000BB">$doc </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">;<br /><br />if (!</span><span style="color: #0000BB">$doc</span><span style="color: #007700">-></span><span style="color: #0000BB">load</span><span style="color: #007700">(</span><span style="color: #DD0000">'file.xml'</span><span style="color: #007700">)) {<br /> foreach (</span><span style="color: #0000BB">libxml_get_errors</span><span style="color: #007700">() as </span><span style="color: #0000BB">$error</span><span style="color: #007700">) {<br /> </span><span style="color: #FF8000">// handle errors here<br /> </span><span style="color: #007700">}<br /><br /> </span><span style="color: #0000BB">libxml_clear_errors</span><span style="color: #007700">();<br />}<br /><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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bool(false)
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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.libxml-use-internal-errors-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="libxml_clear_errors.html" class="function" rel="rdfs-seeAlso">libxml_clear_errors()</a> - Clear libxml error buffer</span></li>
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<li class="member"><span class="function"><a href="libxml_get_errors.html" class="function" rel="rdfs-seeAlso">libxml_get_errors()</a> - Retrieve array of errors</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> |