php-doc-en/reference/xsl/functions/xsl-xsltprocessor-has-exslt-support.xml

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  <refentry id="function.xsl-xsltprocessor-has-exslt-support">
   <refnamediv>
    <refname>xsl_xsltprocessor_has_exslt_support</refname>
    <refpurpose>Determine if PHP has EXSLT support</refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <para>Procedural style</para>
    <methodsynopsis>
     <type>bool</type><methodname>xsl_xsltprocessor_has_exslt_support</methodname>
     <void/>
    </methodsynopsis>
    <para>Object oriented style (method)</para>
    <classsynopsis>
     <ooclass><classname>xsltprocessor</classname></ooclass>
     <methodsynopsis>
      <type>bool</type>
      <methodname>hasExsltSupport</methodname>
      <void/>
     </methodsynopsis>
    </classsynopsis>
    <para>
     <function>xsl_xsltprocessor_has_exslt_support</function> returns &true;
     if PHP was built with the <ulink url="&url.exsltlib;">EXSLT library
     </ulink>, &false; otherwise.
    </para>
    <para>
     <example>
      <title><function>xsl_xsltprocessor_has_exslt_support</function> Example</title>
      <programlisting role="php">
<![CDATA[
<?php

$proc = new xsltprocessor;
if (!$proc->hasExsltSupport()) {
    die('EXSLT support not available');
}

// do EXSLT stuff here ..

?>
]]>       
      </programlisting>
     </example>
    </para>
   </refsect1>
  </refentry>

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