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File: showSource.php

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  Classes of Cezary Tomczak  >  Error Handler  >  showSource.php  >  Download  
File: showSource.php
Role: Auxiliary script
Content type: text/plain
Description: show source of the file, highlights the line where the error appeared
Class: Error Handler
Output PHP execution errors information
Author: By
Last change:
Date: 10 years ago
Size: 2,504 bytes
 

Contents

Class file image Download
<?php
/**
* @project mygosuLib
* @package ErrorHandler
* @version 2.0.0
* @license BSD
* @copyright (c) 2003,2004 Cezary Tomczak
* @link http://gosu.pl/software/mygosulib.html
*/

$file = @$_GET['file'];
$line = @$_GET['line'];
$prev = @$_GET['prev'] ? $_GET['prev'] : 10;
$next = @$_GET['next'] ? $_GET['next'] : 10;

showSource($file, $line, $prev, $next);

/**
* Show source part of the file
* @param string $file Filename
* @param int $line Line to read
* @param int $prev How many lines before main line to read
* @param int $next How many lines after main line to read
* @return string
* @access public
* @package ErrorHandler
*/
function showSource($file, $line, $prev = 10, $next = 10) {
   
    if (!(
file_exists($file) && is_file($file))) {
        return
trigger_error("showSource() failed, file does not exist `$file`", E_USER_ERROR);
        return
false;
    }
   
   
//read code
   
ob_start();
   
highlight_file($file);
   
$data = ob_get_contents();
   
ob_end_clean();
   
   
//seperate lines
   
$data = explode('<br />', $data);
   
$count = count($data) - 1;
   
   
//count which lines to display
   
$start = $line - $prev;
    if (
$start < 1) {
       
$start = 1;
    }
   
$end = $line + $next;
    if (
$end > $count) {
       
$end = $count + 1;
    }
   
   
//color for numbering lines
   
$highlight_default = ini_get('highlight.default');
   
   
//displaying
   
echo '<table cellspacing="0" cellpadding="0"><tr>';
    echo
'<td style="vertical-align: top;"><code style="background-color: #FFFFCC; color: #666666;">';
   
    for (
$x = $start; $x <= $end; $x++) {
        echo
'<a name="'.$x.'"></a>';
        echo (
$line == $x ? '<font style="background-color: red; color: white;">' : '');
        echo
str_repeat('&nbsp;', (strlen($end) - strlen($x)) + 1);
        echo
$x;
        echo
'&nbsp;';
        echo (
$line == $x ? '</font>' : '');
        echo
'<br />';
    }
    echo
'</code></td><td style="vertical-align: top;"><code>';
    while (
$start <= $end) {
        echo
'&nbsp;' . $data[$start - 1] . '<br />';
        ++
$start;
    }
    echo
'</code></td>';
    echo
'</tr></table>';
   
    if (
$prev != 10000 || $next != 10000) {
        echo
'<br>';
        echo
'<a style="font-family: tahoma; font-size: 12px;" href="'.@$_SERVER['PHP_SELF'].'?file='.urlencode($file).'&line='.$line.'&prev=10000&next=10000#'.($line - 15).'">View Full Source</a>';
    }

}

?>