Руководство по PHP
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highlight_file

(PHP 4 )

highlight_file -- Syntax highlighting of a file

Description

mixed highlight_file ( string filename [, bool return])

The highlight_file() function prints out a syntax higlighted version of the code contained in filename using the colors defined in the built-in syntax highlighter for PHP.

If the second parameter return is set to TRUE then highlight_file() will return the highlighted code as a string instead of printing it out. If the second parameter is not set to TRUE then highlight_file() will return TRUE on success, FALSE on failure.

Замечание: The return parameter became available in PHP 4.2.0. Before this time it behaved like the default, which is FALSE

Замечание: Care should be taken when using the show_source() and highlight_file() functions 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.

Замечание: Since PHP 4.2.1 this function is also affected by safe_mode and open_basedir.

Пример 1. Creating a source highlighting URL

To setup a URL that can code hightlight any script that you pass to it, we will make use of the "ForceType" directive in Apache to generate a nice URL pattern, and use the function highlight_file() to show a nice looking code list.

In your httpd.conf you can add the following: 

<Location /source>
    ForceType application/x-httpd-php
</Location>

And then make a file named "source" and put it in your web root directory. 

<HTML>
<HEAD>
<TITLE>Source Display</TITLE>
</HEAD>
<BODY BGCOLOR="white">
<?php
    $script = getenv ("PATH_TRANSLATED");
    if(!$script) {
    echo "<BR><B>ERROR: Script Name needed</B><BR>";
    } else {
    if (ereg("(\.php|\.inc)$",$script)) {
    echo "<H1>Source of: $PATH_INFO</H1>\n<HR>\n";
    highlight_file($script);
    } else {
    echo "<H1>ERROR: Only PHP or include script names are allowed</H1>"; 
    }
    }
    echo "<HR>Processed: ".date("Y/M/d H:i:s",time());
?>
</BODY>
</HTML>

Then you can use an URL like the one below to display a colorized version of a script located in "/path/to/script.php" in your web site. 

http://your.server.com/source/path/to/script.php

See also highlight_string(), show_source().

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