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80 lines
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80 lines
11 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>Retrieve array of errors</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-get-errors" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">libxml_get_errors</h1>
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<p class="verinfo">(PHP 5 >= 5.1.0, PHP 7)</p><p class="refpurpose"><span class="refname">libxml_get_errors</span> — <span class="dc-title">
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Retrieve array of errors
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.libxml-get-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_get_errors</strong></span>
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( <span class="methodparam">void</span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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Retrieve array of errors.
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.libxml-get-errors-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an array with <span class="type"><a href="class.libxmlerror.html" class="type LibXMLError">LibXMLError</a></span> objects if there are any
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errors in the buffer, or an empty array otherwise.
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.libxml-get-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-6511">
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<p><strong>Example #1 A <span class="function"><strong>libxml_get_errors()</strong></span> example</strong></p>
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<div class="example-contents"><p>
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This example demonstrates how to build a simple libxml error handler.
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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 />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">$xmlstr </span><span style="color: #007700">= <<< XML<br /></span><span style="color: #DD0000"><?xml version='1.0' standalone='yes'?><br /><movies><br /> <movie><br /> <titles>PHP: Behind the Parser</title><br /> </movie><br /></movies><br /></span><span style="color: #007700">XML;<br /><br /></span><span style="color: #0000BB">$doc </span><span style="color: #007700">= </span><span style="color: #0000BB">simplexml_load_string</span><span style="color: #007700">(</span><span style="color: #0000BB">$xmlstr</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$xml </span><span style="color: #007700">= </span><span style="color: #0000BB">explode</span><span style="color: #007700">(</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">$xmlstr</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$doc </span><span style="color: #007700">=== </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$errors </span><span style="color: #007700">= </span><span style="color: #0000BB">libxml_get_errors</span><span style="color: #007700">();<br /><br /> foreach (</span><span style="color: #0000BB">$errors </span><span style="color: #007700">as </span><span style="color: #0000BB">$error</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">display_xml_error</span><span style="color: #007700">(</span><span style="color: #0000BB">$error</span><span style="color: #007700">, </span><span style="color: #0000BB">$xml</span><span style="color: #007700">);<br /> }<br /><br /> </span><span style="color: #0000BB">libxml_clear_errors</span><span style="color: #007700">();<br />}<br /><br /><br />function </span><span style="color: #0000BB">display_xml_error</span><span style="color: #007700">(</span><span style="color: #0000BB">$error</span><span style="color: #007700">, </span><span style="color: #0000BB">$xml</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$return </span><span style="color: #007700">= </span><span style="color: #0000BB">$xml</span><span style="color: #007700">[</span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">line </span><span style="color: #007700">- </span><span style="color: #0000BB">1</span><span style="color: #007700">] . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$return </span><span style="color: #007700">.= </span><span style="color: #0000BB">str_repeat</span><span style="color: #007700">(</span><span style="color: #DD0000">'-'</span><span style="color: #007700">, </span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">column</span><span style="color: #007700">) . </span><span style="color: #DD0000">"^\n"</span><span style="color: #007700">;<br /><br /> switch (</span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">level</span><span style="color: #007700">) {<br /> case </span><span style="color: #0000BB">LIBXML_ERR_WARNING</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">$return </span><span style="color: #007700">.= </span><span style="color: #DD0000">"Warning </span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">code</span><span style="color: #DD0000">: "</span><span style="color: #007700">;<br /> break;<br /> case </span><span style="color: #0000BB">LIBXML_ERR_ERROR</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">$return </span><span style="color: #007700">.= </span><span style="color: #DD0000">"Error </span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">code</span><span style="color: #DD0000">: "</span><span style="color: #007700">;<br /> break;<br /> case </span><span style="color: #0000BB">LIBXML_ERR_FATAL</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">$return </span><span style="color: #007700">.= </span><span style="color: #DD0000">"Fatal Error </span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">code</span><span style="color: #DD0000">: "</span><span style="color: #007700">;<br /> break;<br /> }<br /><br /> </span><span style="color: #0000BB">$return </span><span style="color: #007700">.= </span><span style="color: #0000BB">trim</span><span style="color: #007700">(</span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">message</span><span style="color: #007700">) .<br /> </span><span style="color: #DD0000">"\n Line: </span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">line</span><span style="color: #DD0000">" </span><span style="color: #007700">.<br /> </span><span style="color: #DD0000">"\n Column: </span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">column</span><span style="color: #DD0000">"</span><span style="color: #007700">;<br /><br /> if (</span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">file</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$return </span><span style="color: #007700">.= </span><span style="color: #DD0000">"\n File: </span><span style="color: #0000BB">$error</span><span style="color: #007700">-></span><span style="color: #0000BB">file</span><span style="color: #DD0000">"</span><span style="color: #007700">;<br /> }<br /><br /> return </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$return</span><span style="color: #DD0000">\n\n--------------------------------------------\n\n"</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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<titles>PHP: Behind the Parser</title>
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----------------------------------------------^
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Fatal Error 76: Opening and ending tag mismatch: titles line 4 and title
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Line: 4
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Column: 46
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--------------------------------------------
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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-get-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_get_last_error.html" class="function" rel="rdfs-seeAlso">libxml_get_last_error()</a> - Retrieve last error from libxml</span></li>
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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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</ul>
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</p>
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</div>
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</div></div></div></body></html> |