egroupware/doc/fix_depricated.php

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#!/usr/bin/php -qC
<?php
/**
* EGroupware - fix in 5.3 depricated (in 6 not longer existing) functions and constructs
*
* The depricated warnings fill up the log files, as they can not be swichted off in the logs.
* The biggest issue are posix regular expressions (ereg, split, ereg_replace) and
* php4 assignment of objects (specially new obj()) by reference.
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @author RalfBecker@outdoor-training.de
* @copyright 2009/10 by RalfBecker@outdoor-training.de
* @version $Id$
*/
if (isset($_SERVER['HTTP_HOST'])) // security precaution: forbit calling as web-page
{
die('<h1>fix_depricated.php must NOT be called as web-page --> exiting !!!</h1>');
}
/**
* Fix depricated stuff in a given file
*
* @param string $file filename
* @param boolean $replace_file=false replace existing file if modifications are necessary, otherwise .php53 file is created
* @return boolean false on error
*/
function fix_depricated($file,$replace_file=false)
{
$orig = $lines = file_get_contents($file);
if ($lines === false) return false;
global $prog;
if (basename($file) == $prog) return true; // dont fix ourself ;-)
// PHP Deprecated: Assigning the return value of new by reference is deprecated
if (preg_match('/= *& *new /m',$lines))
{
$lines = preg_replace('/= *& *new /','= new ',$lines);
}
// PHP Deprecated: Function split() is deprecated
if (preg_match_all('/[= \t(]+spliti? *\\(("[^"]*"|\'[^\']*\'),/m',$lines,$matches))
{
$replace = array();
//print_r($matches);
foreach($matches[1] as $key => $pattern)
{
$full_pattern = $matches[0][$key];
// single char --> just explode
if (strlen($pattern) == 3 || strlen($pattern) == 4 && substr($pattern,0,2) == '"\\')
{
$replace[$full_pattern] = str_replace('split','explode',$full_pattern);
}
else
{
$preg_pattern = $pattern[0].'/'.str_replace('/','\\\\/',substr($pattern,1,-1)).'/'.$pattern[0];
if (strpos($full_pattern,'spliti')) $preg_pattern = substr($preg_pattern,0,-1).'i'.$pattern[0];
$replace[$full_pattern] = str_replace(array('spliti','split',$pattern),array('preg_split','preg_split',$preg_pattern),$full_pattern);
}
}
//print_r($replace);
$lines = strtr($lines,$replace);
}
// PHP Deprecated: Function ereg() is deprecated
if (preg_match_all('/!?eregi? *\\(("[^"]+"[^,]*|\'[^\']+\'[^,]*), *(\$[A-Za-z0-9_\[\]\$\'\"]+)(, *\$[A-Za-z0-9_\[\]\$\'\"]+)?\)([ )&|]+)/m',$lines,$matches))
{
$replace = array();
//print_r($matches);
foreach($matches[1] as $key => $pattern)
{
$full_pattern = $matches[0][$key];
$what = $matches[2][$key];
// simple existence check --> use strpos()
if (preg_quote($pattern) == $pattern)
{
$replace[$full_pattern] = (strpos($full_pattern,'eregi')!==false?'strposi':'strpos').'('.$what.','.$pattern.
') '.($full_pattern[0]=='!'?'===':'!==').' false'.$matches[4][$key];
}
else
{
// full ereg regular expression --> preg_match
$preg_pattern = "'/'.".str_replace('/','\\\\/',$pattern).(strpos($full_pattern,'eregi') !== false ? ".'/i'" : ".'/'");
$replace[$full_pattern] = str_replace(array('eregi','ereg',$pattern),array('preg_match','preg_match',$preg_pattern),$full_pattern);
}
}
//print_r($replace);
$lines = strtr($lines,$replace);
}
// PHP Deprecated: Function ereg_replace() is deprecated
if (preg_match_all('/eregi?_replace *\\((".+"|\'.+\'|[^,]+), *(.+), *[\'s$].+\)[,; =]/m',$lines,$matches))
{
$replace = array();
//print_r($matches);
foreach($matches[1] as $key => $pattern)
{
$full_pattern = $matches[0][$key];
$other = $matches[2][$key];
// simple replace --> use str_replace()
if (preg_quote($pattern) == $pattern)
{
$replace[$full_pattern] = str_replace(array('eregi_replace','ereg_replace'),array('stri_replace','str_replace'),$full_pattern);
}
else
{
// full ereg regular expression --> preg_replace
$preg_pattern = "'/'.".str_replace('/','\\\\/',$pattern).(strpos($full_pattern,'eregi') !== false ? ".'/i'" : ".'/'");
$replace[$full_pattern] = str_replace(array('eregi_replace','ereg_replace',$pattern),
array('preg_replace','preg_replace',$preg_pattern),$full_pattern);
}
}
//print_r($replace);
$lines = strtr($lines,$replace);
}
// remove extra '/' from regular expressions
$lines = str_replace(array("'/'.'","'.'/'","'.'/i'"),array("'/","/'","/i'"),$lines);
// fix call to not longer existing PDO method $result->fetchSingle()
$lines = str_replace('->fetchSingle(','->fetchColumn(',$lines);
if ($lines != $orig)
{
file_put_contents($file.'53',$lines);
system('/usr/bin/php -l '.$file.'53',$ret);
system('/usr/bin/diff -u '.$file.' '.$file.'53');
if (!$ret && $replace_file)
{
unlink($file);
rename($file.'53',$file);
}
return !$ret;
}
return true;
}
/**
* Loop recursive through directory and call fix_depricated for each php file
*
* @param string $dir
* @param boolean $replace_file=false replace existing file if modifications are necessary, otherwise .php53 file is created
* @return boolean false on error
*/
function fix_depricated_recursive($dir,$replace_file=false)
{
if (!is_dir($dir)) return false;
foreach(scandir($dir) as $file)
{
if ($file == '.' || $file == '..') continue;
if (is_dir($dir.'/'.$file))
{
fix_depricated_recursive($dir.'/'.$file,$replace_file);
}
elseif(substr($file,-4) == '.php')
{
echo "\r".str_repeat(' ',100)."\r".$dir.'/'.$file.': ';
fix_depricated($dir.'/'.$file,$replace_file);
}
}
echo "\r".str_repeat(' ',100)."\r";
return true;
}
/**
* Give usage
*
* @param string $error=null
*/
function usage($error=null)
{
global $prog;
echo "Usage: $prog [--replace] [-h|--help] file or dir\n\n";
if ($error) echo $error."\n\n";
exit($error ? 1 : 0);
}
$args = $_SERVER['argv'];
$prog = basename(array_shift($args));
if (!$args) usage();
$replace_file = false;
while(($arg = array_shift($args)))
{
switch($arg)
{
case '-h':
case '--help':
usage();
break;
case '--replace':
$replace_file = true;
break;
default:
if ($args) // not last argument
{
usage("Unknown argument '$arg'!");
}
break 2;
}
}
if (!file_exists($arg)) usage("Error: $arg not found!");
if (!is_dir($arg))
{
fix_depricated($arg,$replace_file);
}
else
{
fix_depricated_recursive($arg,$replace_file);
}