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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.25 $ -->
<refentry xml:id="function.highlight-file" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>highlight_file</refname>
<refpurpose>Syntax highlighting of a file</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>mixed</type><methodname>highlight_file</methodname>
<methodparam><type>string</type><parameter>filename</parameter></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>return</parameter></methodparam>
</methodsynopsis>
<para>
Prints out or returns a syntax highlighted version of the code contained
in <parameter>filename</parameter> using the colors defined in the
built-in syntax highlighter for PHP.
</para>
<para>
Many servers are configured to automatically highlight files
with a <emphasis>phps</emphasis> extension. For example,
<filename>example.phps</filename> when viewed will show the
syntax highlighted source of the file. To enable this, add this
line to the &httpd.conf;:
</para>
<screen>
<![CDATA[
AddType application/x-httpd-php-source .phps
]]>
</screen>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>filename</parameter></term>
<listitem>
<para>
Path to the PHP file to be highlighted.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>return</parameter></term>
<listitem>
<para>
Set this parameter to &true; to make this function return the
highlighted code.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
If <parameter>return</parameter> is set to &true;, returns the highlighted
code as a string instead of printing it out. Otherwise, it will return
&true; on success, &false; on failure.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>4.2.1</entry>
<entry>
This function is now also affected by <link
linkend="ini.safe-mode">safe_mode</link> and <link
linkend="ini.open-basedir">open_basedir</link>.
</entry>
</row>
<row>
<entry>4.2.0</entry>
<entry>
The <parameter>return</parameter> parameter was added.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
<caution>
<para>
Care should be taken when using the <function>highlight_file</function>
function to make sure that you do not inadvertently reveal sensitive
information such as passwords or any other type of information that might
create a potential security risk.
</para>
</caution>
¬e.uses-ob;
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>highlight_string</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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