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212 lines
8.5 KiB
212 lines
8.5 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Chamilo LMS
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*
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* Update the Chamilo database from an older Dokeos version
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* Notice : This script has to be included by index.php
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* or update_courses.php (deprecated).
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*
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* @package chamilo.install
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* @todo
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* - conditional changing of tables. Currently we execute for example
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* ALTER TABLE `$dbNameForm`.`cours`
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* instructions without checking wether this is necessary.
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* - reorganise code into functions
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* @todo use database library
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*/
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Log::notice('Entering file');
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// Check if we come from index.php or update_courses.php - otherwise display error msg
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if (defined('SYSTEM_INSTALLATION')) {
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// Check if the current Dokeos install is eligible for update
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if (!file_exists('../inc/conf/configuration.php')) {
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echo '<strong>' . get_lang('Error') . ' !</strong> Dokeos ' . implode('|', $updateFromVersion) . ' ' . get_lang('HasNotBeenFound') . '.<br /><br />
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' . get_lang('PleasGoBackToStep1') . '.
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<p><button type="submit" class="back" name="step1" value="< ' . get_lang('Back') . '">' . get_lang('Back') . '</button></p>
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</td></tr></table></form></body></html>';
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exit();
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}
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$_configuration['db_glue'] = get_config_param('dbGlu');
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if ($singleDbForm) {
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$_configuration['table_prefix'] = get_config_param('courseTablePrefix');
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$_configuration['main_database'] = get_config_param('mainDbName');
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$_configuration['db_prefix'] = get_config_param('dbNamePrefix');
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}
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$dbScormForm = preg_replace('/[^a-zA-Z0-9_\-]/', '', $dbScormForm);
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if (!empty($dbPrefixForm) && strpos($dbScormForm, $dbPrefixForm) !== 0) {
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$dbScormForm = $dbPrefixForm . $dbScormForm;
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}
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if (empty($dbScormForm) || $dbScormForm == 'mysql' || $dbScormForm == $dbPrefixForm) {
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$dbScormForm = $dbPrefixForm . 'scorm';
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}
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/* Normal upgrade procedure: start by updating main, statistic, user databases */
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// If this script has been included by index.php, not update_courses.php, so
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// that we want to change the main databases as well...
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$only_test = false;
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$log = 0;
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if (defined('SYSTEM_INSTALLATION')) {
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if ($singleDbForm) {
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$dbStatsForm = $dbNameForm;
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$dbScormForm = $dbNameForm;
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$dbUserForm = $dbNameForm;
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}
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/**
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* Update the databases "pre" migration
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*/
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include '../lang/english/create_course.inc.php';
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if ($languageForm != 'english') {
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//languageForm has been escaped in index.php
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include '../lang/' . $languageForm . '/create_course.inc.php';
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}
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// Get the main queries list (m_q_list)
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$m_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'main');
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if (count($m_q_list) > 0) {
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//now use the $m_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbNameForm) > 40) {
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error_log('Database name ' . $dbNameForm . ' is too long, skipping', 0);
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} elseif (!in_array($dbNameForm, $dblist)) {
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error_log('Database ' . $dbNameForm . ' was not found, skipping', 0);
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} else {
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Database::select_db($dbNameForm);
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foreach ($m_q_list as $query) {
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if ($only_test) {
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error_log("Database::query($dbNameForm,$query)", 0);
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} else {
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$res = Database::query($query);
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if ($log) {
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error_log("In $dbNameForm, executed: $query", 0);
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}
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}
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}
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}
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}
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// Get the stats queries list (s_q_list)
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$s_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'stats');
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if (count($s_q_list) > 0) {
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// Now use the $s_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbStatsForm) > 40) {
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error_log('Database name ' . $dbStatsForm . ' is too long, skipping', 0);
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} elseif (!in_array($dbStatsForm, $dblist)) {
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error_log('Database ' . $dbStatsForm . ' was not found, skipping', 0);
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} else {
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Database::select_db($dbStatsForm);
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foreach ($s_q_list as $query) {
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if ($only_test) {
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error_log("Database::query($dbStatsForm,$query)", 0);
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} else {
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$res = Database::query($query);
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if ($log) {
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error_log("In $dbStatsForm, executed: $query", 0);
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}
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}
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}
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}
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}
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// Get the user queries list (u_q_list)
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$u_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'user');
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if (count($u_q_list) > 0) {
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//now use the $u_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbUserForm) > 40) {
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error_log('Database name ' . $dbUserForm . ' is too long, skipping', 0);
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} elseif (!in_array($dbUserForm, $dblist)) {
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error_log('Database ' . $dbUserForm . ' was not found, skipping', 0);
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} else {
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Database::select_db($dbUserForm);
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foreach ($u_q_list as $query) {
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if ($only_test) {
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error_log("Database::query($dbUserForm,$query)", 0);
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error_log("In $dbUserForm, executed: $query", 0);
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} else {
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$res = Database::query($query);
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}
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}
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}
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}
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// The SCORM database doesn't need a change in the pre-migrate part - ignore
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}
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$prefix = '';
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if ($singleDbForm) {
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$prefix = $_configuration['table_prefix'];
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}
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// Get the courses databases queries list (c_q_list)
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$c_q_list = get_sql_file_contents('migrate-db-1.8.0-1.8.2-pre.sql', 'course');
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if (count($c_q_list) > 0) {
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// Get the courses list
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if (strlen($dbNameForm) > 40) {
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error_log('Database name ' . $dbNameForm . ' is too long, skipping', 0);
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} elseif (!in_array($dbNameForm, $dblist)) {
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error_log('Database ' . $dbNameForm . ' was not found, skipping', 0);
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} else {
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Database::select_db($dbNameForm);
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$res = Database::query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL");
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if ($res === false) {
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die('Error while querying the courses list in update_db-1.8.0-1.8.2.inc.php');
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}
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if (Database::num_rows($res) > 0) {
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$i = 0;
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$list = array();
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while ($row = Database::fetch_array($res)) {
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$list[] = $row;
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$i++;
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}
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foreach ($list as $row_course) {
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// Now use the $c_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (!$singleDbForm) { // otherwise just use the main one
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Database::select_db($row_course['db_name']);
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}
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Log::notice('Course ' . $row_course);
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foreach ($c_q_list as $query) {
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if ($singleDbForm) {
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$query = preg_replace('/^(UPDATE|ALTER TABLE|CREATE TABLE|DROP TABLE|INSERT INTO|DELETE FROM)\s+(\w*)(.*)$/', "$1 $prefix{$row_course['db_name']}_$2$3", $query);
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}
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if ($only_test) {
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error_log("Database::query(" . $row_course['db_name'] . ",$query)", 0);
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} else {
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$res = Database::query($query);
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if ($log) {
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error_log("In " . $row_course['db_name'] . ", executed: $query", 0);
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}
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}
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}
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}
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}
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}
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}
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} else {
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echo 'You are not allowed here !';
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}
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