<!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>Validates the document based on its DTD</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="domdocument.schemavalidatesource.html">DOMDocument::schemaValidateSource</a></div> <div class="next" style="text-align: right; float: right;"><a href="domdocument.xinclude.html">DOMDocument::xinclude</a></div> <div class="up"><a href="class.domdocument.html">DOMDocument</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="domdocument.validate" class="refentry"> <div class="refnamediv"> <h1 class="refname">DOMDocument::validate</h1> <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">DOMDocument::validate</span> — <span class="dc-title"> Validates the document based on its DTD </span></p> </div> <div class="refsect1 description" id="refsect1-domdocument.validate-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>DOMDocument::validate</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Validates the document based on its DTD. </p> <p class="para"> You can also use the <em>validateOnParse</em> property of <a href="class.domdocument.html" class="classname">DOMDocument</a> to make a DTD validation. </p> </div> <div class="refsect1 returnvalues" id="refsect1-domdocument.validate-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure. If the document have no DTD attached, this method will return <strong><code>FALSE</code></strong>. </p> </div> <div class="refsect1 examples" id="refsect1-domdocument.validate-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-5418"> <p><strong>Example #1 Example of DTD validation</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$dom </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">Load</span><span style="color: #007700">(</span><span style="color: #DD0000">'book.xml'</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">validate</span><span style="color: #007700">()) {<br /> echo </span><span style="color: #DD0000">"This document is valid!\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p> You can also validate your XML file while loading it: </p></div> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$dom </span><span style="color: #007700">= new </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">validateOnParse </span><span style="color: #007700">= </span><span style="color: #0000BB">true</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$dom</span><span style="color: #007700">-></span><span style="color: #0000BB">Load</span><span style="color: #007700">(</span><span style="color: #DD0000">'book.xml'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 seealso" id="refsect1-domdocument.validate-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="methodname"><a href="domdocument.schemavalidate.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::schemaValidate()</a> - Validates a document based on a schema</span></li> <li class="member"> <span class="methodname"><a href="domdocument.schemavalidatesource.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::schemaValidateSource()</a> - Validates a document based on a schema</span></li> <li class="member"> <span class="methodname"><a href="domdocument.relaxngvalidate.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::relaxNGValidate()</a> - Performs relaxNG validation on the document</span></li> <li class="member"> <span class="methodname"><a href="domdocument.relaxngvalidatesource.html" class="methodname" rel="rdfs-seeAlso">DOMDocument::relaxNGValidateSource()</a> - Performs relaxNG validation on the document</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="domdocument.schemavalidatesource.html">DOMDocument::schemaValidateSource</a></div> <div class="next" style="text-align: right; float: right;"><a href="domdocument.xinclude.html">DOMDocument::xinclude</a></div> <div class="up"><a href="class.domdocument.html">DOMDocument</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>