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<?php
/**
* @package LiveUpdate
* @copyright Copyright (c)2010-2012 Nicholas K. Dionysopoulos / AkeebaBackup.com
* @license GNU LGPLv3 or later <http://www.gnu.org/copyleft/lesser.html>
*/
defined('_JEXEC') or die();
/**
* A smart INI file parser with reproducible behaviour among different PHP versions
*/
class LiveUpdateINIHelper
{
/**
* Parse an INI file and return an associative array. Since PHP versions before
* 5.1 are bitches with regards to INI parsing, I use a PHP-only solution to
* overcome this obstacle.
* @param string $file The file to process
* @param bool $process_sections True to also process INI sections
* @return array An associative array of sections, keys and values
*/
public static function parse_ini_file( $file, $process_sections, $rawdata = false )
{
if($rawdata)
{
return self::parse_ini_file_php($file, $process_sections, $rawdata);
}
else
{
if( version_compare(PHP_VERSION, '5.1.0', '>=') && (!$rawdata) )
{
if( function_exists('parse_ini_file') )
{
return parse_ini_file($file, $process_sections);
}
else
{
return self::parse_ini_file_php($file, $process_sections);
}
} else {
return self::parse_ini_file_php($file, $process_sections, $rawdata);
}
}
}
/**
* A PHP based INI file parser.
* Thanks to asohn ~at~ aircanopy ~dot~ net for posting this handy function on
* the parse_ini_file page on http://gr.php.net/parse_ini_file
* @param string $file Filename to process
* @param bool $process_sections True to also process INI sections
* @param bool $rawdata If true, the $file contains raw INI data, not a filename
* @return array An associative array of sections, keys and values
*/
static function parse_ini_file_php($file, $process_sections = false, $rawdata = false)
{
$process_sections = ($process_sections !== true) ? false : true;
if(!$rawdata)
{
$ini = file($file);
}
else
{
$file = str_replace("\r","",$file);
$ini = explode("\n", $file);
}
if (count($ini) == 0) {return array();}
$sections = array();
$values = array();
$result = array();
$globals = array();
$i = 0;
foreach ($ini as $line) {
$line = trim($line);
$line = str_replace("\t", " ", $line);
// Comments
if (!preg_match('/^[a-zA-Z0-9[]/', $line)) {continue;}
// Sections
if ($line{0} == '[') {
$tmp = explode(']', $line);
$sections[] = trim(substr($tmp[0], 1));
$i++;
continue;
}
// Key-value pair
list($key, $value) = explode('=', $line, 2);
$key = trim($key);
$value = trim($value);
if (strstr($value, ";")) {
$tmp = explode(';', $value);
if (count($tmp) == 2) {
if ((($value{0} != '"') && ($value{0} != "'")) ||
preg_match('/^".*"\s*;/', $value) || preg_match('/^".*;[^"]*$/', $value) ||
preg_match("/^'.*'\s*;/", $value) || preg_match("/^'.*;[^']*$/", $value) ){
$value = $tmp[0];
}
} else {
if ($value{0} == '"') {
$value = preg_replace('/^"(.*)".*/', '$1', $value);
} elseif ($value{0} == "'") {
$value = preg_replace("/^'(.*)'.*/", '$1', $value);
} else {
$value = $tmp[0];
}
}
}
$value = trim($value);
$value = trim($value, "'\"");
if ($i == 0) {
if (substr($line, -1, 2) == '[]') {
$globals[$key][] = $value;
} else {
$globals[$key] = $value;
}
} else {
if (substr($line, -1, 2) == '[]') {
$values[$i-1][$key][] = $value;
} else {
$values[$i-1][$key] = $value;
}
}
}
for($j = 0; $j < $i; $j++) {
if ($process_sections === true) {
if( isset($sections[$j]) && isset($values[$j]) ) $result[$sections[$j]] = $values[$j];
} else {
if( isset($values[$j]) ) $result[] = $values[$j];
}
}
return $result + $globals;
}
}