📄 function.libxml-use-internal-errors.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Disable libxml errors and allow user to fetch error information as needed</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.libxml.html">libxml Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.qtdom.html">qtdom</a></div> <div class="up"><a href="ref.libxml.html">libxml Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.libxml-use-internal-errors" class="refentry"> <div class="refnamediv"> <h1 class="refname">libxml_use_internal_errors</h1> <p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">libxml_use_internal_errors</span> — <span class="dc-title"> Disable libxml errors and allow user to fetch error information as needed </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>libxml_use_internal_errors</b></b></span> ([ <span class="methodparam"><span class="type">bool</span> <tt class="parameter">$use_errors</tt></span> ] )</div> <p class="para rdfs-comment"> <b>libxml_use_internal_errors()</b> allows you to disable standard libxml errors and enable user error handling. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">use_errors</tt></i></span> <dd> <p class="para"> Whether to enable user error handling. Defaults to <b><tt>FALSE</tt></b>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> This function returns the previous value of <i><tt class="parameter">use_errors</tt></i>. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 A <b>libxml_use_internal_errors()</b> example</b></p> <div class="example-contents"><p> This example demonstrates the basic usage of libxml errors and the value returned by this function. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// enable user error handling<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">libxml_use_internal_errors</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$doc </span><span style="color: #007700">= </span><span style="color: #0000BB">DOMDocument</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 /><br />if (!</span><span style="color: #0000BB">$doc</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$errors </span><span style="color: #007700">= </span><span style="color: #0000BB">libxml_get_errors</span><span style="color: #007700">();<br /> foreach (</span><span style="color: #0000BB">$errors </span><span style="color: #007700">as </span><span style="color: #0000BB">$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></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>bool(false)</pre></div> </pre></div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.libxml-clear-errors.html" class="function" rel="rdfs-seeAlso">libxml_clear_errors()</a></li> <li class="member"><a href="function.libxml-get-errors.html" class="function" rel="rdfs-seeAlso">libxml_get_errors()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.libxml.html">libxml Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.qtdom.html">qtdom</a></div> <div class="up"><a href="ref.libxml.html">libxml Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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