chamilo-lms/main/install/update-configuration.inc.php

<?php
/* For licensing terms, see /license.txt */

/**
 *
 * Chamilo LMS
 *
 * Only updates the  main/inc/conf/configuration.php
 * @package chamilo.install
 */
if (defined('SYSTEM_INSTALLATION')) {

    error_log("Starting " . basename(__FILE__));
    $perm = api_get_permissions_for_new_files();

    $oldConfFile = api_get_path(SYS_CODE_PATH) . 'inc/conf/configuration.php';
    $newConfFile = api_get_path(CONFIGURATION_PATH) . 'configuration.php';

    if (file_exists($oldConfFile)) {
        copy($oldConfFile, $newConfFile);
        @chmod($newConfFile, $perm);
        @rmdir($oldConfFile);
    }

    // Edit the configuration file.
    $file = file($newConfFile);
    $fh = fopen($newConfFile, 'w');

    $found_version_old = false;
    $found_stable_old = false;
    $found_version = false;
    $found_stable = false;
    $found_software_name = false;
    $found_software_url = false;

    foreach ($file as $line) {
        $ignore = false;
        if (stripos($line, '$_configuration[\'system_version\']') !== false) {
            $found_version = true;
            $line = '$_configuration[\'system_version\'] = \'' . $new_version . '\';' . "\r\n";
       } elseif (stripos($line, '$_configuration[\'system_stable\']') !== false) {
            $found_stable = true;
            $line = '$_configuration[\'system_stable\'] = ' . ($new_version_stable ? 'true' : 'false') . ';' . "\r\n";
        } elseif (stripos($line, '$_configuration[\'software_name\']') !== false) {
            $found_software_name = true;
            $line = '$_configuration[\'software_name\'] = \'' . $software_name . '\';' . "\r\n";
        } elseif (stripos($line, '$_configuration[\'software_url\']') !== false) {
            $found_software_url = true;
            $line = '$_configuration[\'software_url\'] = \'' . $software_url . '\';' . "\r\n";
        } elseif (stripos($line, '$userPasswordCrypted') !== false) {
            $line = '$_configuration[\'password_encryption\'] = \'' .$userPasswordCrypted.'\';' . "\r\n";
        } elseif (stripos($line, '?>') !== false) {
            $ignore = true;
        }
        if (!$ignore) {
            fwrite($fh, $line);
        }
    }

    if (!$found_version) {
        fwrite($fh, '$_configuration[\'system_version\'] = \'' . $new_version . '\';' . "\r\n");
    }
    if (!$found_stable) {
        fwrite($fh, '$_configuration[\'system_stable\'] = ' . ($new_version_stable ? 'true' : 'false') . ';' . "\r\n");
    }
    if (!$found_software_name) {
        fwrite($fh, '$_configuration[\'software_name\'] = \'' . $software_name . '\';' . "\r\n");
    }
    if (!$found_software_url) {
        fwrite($fh, '$_configuration[\'software_url\'] = \'' . $software_url . '\';' . "\r\n");
    }
    fwrite($fh, '?>');
    fclose($fh);
} else {
    echo 'You are not allowed here !'. __FILE__;
}