function transitionNextStep()
{
if (installerStep() === STEP_PHP_REQUIREMENTS) {
if (phpRequirementsMet()) {
installerStepSet(nextStep(STEP_PHP_REQUIREMENTS));
}
} else {
if (installerStep() === STEP_DB_CONFIG) {
if (dbConfigValid()) {
installerStepSet(nextStep(STEP_DB_CONFIG));
}
} else {
if (installerStep() === STEP_DB_REQUIREMENTS) {
if (dbRequirementsMet()) {
installerStepSet(nextStep(STEP_DB_REQUIREMENTS));
}
} else {
if (installerStep() === STEP_CONFIG) {
if (configCheck()) {
installerStepSet(nextStep(STEP_CONFIG));
}
} else {
if (installerStep() === STEP_PERMISSION) {
if (permissionCheck()) {
if (!is_writable(dirname(INSTALL_LOCK_FILE))) {
userMessage('error', "Insufficient permission for lockfile " . INSTALL_LOCK_FILE);
} else {
installerStepSet(nextStep(STEP_PERMISSION));
}
}
} else {
if (installerStep() === STEP_WRITE) {
installerStepSet(nextStep(STEP_WRITE));
setLock();
}
}
}
}
}
}
}
/**
* execute()
*
* @return
*/
function execute()
{
global $smcFunc, $execute, $table_prefix;
checkSession();
if (empty($_POST['agree']) || empty($_POST['submit_ok'])) {
fatal_error('How did you get here?', false);
}
// how many actioins to do on each loop
$chunk = 5;
// Only do these steps if we have not already started our loop
if (!isset($_SESSION['db_cleaner'])) {
// init
$execute = array('tables' => array(), 'columns' => array(), 'indexes' => array(), 'settings' => array(), 'results' => array(), 'actions' => array());
// build our to do arrays based on what the user selected.
if (!empty($_POST['columns'])) {
foreach ($_POST['columns'] as $table_name => $table) {
if (!preg_match('~^[A-Za-z0-9_]+$~', $table_name)) {
continue;
}
foreach ($table as $column) {
if (preg_match('~^[A-Za-z0-9_]+$~', $column)) {
$execute['columns'][$table_name][] = $column;
}
}
}
}
if (!empty($_POST['indexes'])) {
foreach ($_POST['indexes'] as $table_name => $table) {
if (!preg_match('~^[A-Za-z0-9_]+$~', $table_name)) {
continue;
}
foreach ($table as $index) {
if (preg_match('~^[A-Za-z0-9_]+$~', $index)) {
$execute['indexes'][$table_name][] = $index;
}
}
}
}
if (!empty($_POST['tables'])) {
foreach ($_POST['tables'] as $table) {
if (preg_match('~^[A-Za-z0-9_]+$~', $table)) {
$execute['tables'][] = $table;
}
}
}
if (!empty($_POST['settings'])) {
foreach ($_POST['settings'] as $table) {
if (preg_match('~^[A-Za-z0-9_]+$~', $table)) {
$execute['settings'][] = $table;
}
}
}
// Step 1: build the remove data for extra index's
foreach ($execute['indexes'] as $table_name => $table) {
foreach ($table as $index) {
$execute['actions'][] = array('prefix' => $table_prefix, 'table' => $table_name, 'index' => $index);
}
}
// Step 2: build the remove data for extra columns
foreach ($execute['columns'] as $table_name => $table) {
foreach ($table as $column) {
$execute['actions'][] = array('prefix' => $table_prefix, 'table' => $table_name, 'column' => $column);
}
}
// Step 3: build the drop data for tables
foreach ($execute['tables'] as $table) {
$execute['actions'][] = array('prefix' => $table_prefix, 'table' => $table);
}
// Step 4: All those unused settings
$execute['actions'][] = array('prefix' => $table_prefix, 'settings' => $execute['settings']);
// save the data for future generations
$_SESSION['db_cleaner']['execute'] = $execute;
$_SESSION['db_cleaner']['work'] = count($execute['actions']);
$_SESSION['db_cleaner']['done'] = 0;
}
// load up where we are on this pass
$execute = $_SESSION['db_cleaner']['execute'];
$done = $_SESSION['db_cleaner']['done'];
$work = $_SESSION['db_cleaner']['work'];
// Do some database work, but not to much :)
$this_loop = 0;
$done = isset($_SESSION['db_cleaner']['done']) ? $_SESSION['db_cleaner']['done'] : 0;
for ($i = $done; $i < $work && $this_loop < $chunk; $i++, $this_loop++) {
// lazy and don't want to type the whole thing in :)
$todo = $execute['actions'][$i];
// remove index, then columns, then tables
if (isset($todo['index'])) {
$execute['results']['index'][$todo['table']][$todo['index']] = $smcFunc['db_remove_index']($todo['prefix'] . $todo['table'], $todo['index']);
}
if (isset($todo['column'])) {
$execute['results']['column'][$todo['table']][$todo['column']] = $smcFunc['db_remove_column']($todo['prefix'] . $todo['table'], $todo['column']);
}
if (isset($todo['table'])) {
$execute['results']['table'][$todo['table']] = $smcFunc['db_drop_table']($todo['prefix'] . $todo['table']);
}
if (isset($todo['settings']) && count($todo['settings']) != 0) {
global $modSettings;
// Settings, do these as a 'single' step, first remove them from memory
foreach ($todo['settings'] as $setting) {
if (isset($modSettings[$setting])) {
unset($modSettings[$setting]);
}
}
// And now from sight
$execute['results']['settings'] = $smcFunc['db_query']('', 'DELETE FROM ' . $todo['prefix'] . 'settings WHERE variable IN ({array_string:variables})', array('variables' => $todo['settings']));
// And let SMF know we have been mucking about
updateSettings(array('settings_updated' => time()));
}
}
// Are we done yet?? ... if not go round again
$_SESSION['db_cleaner']['execute'] = $execute;
if ($i < $work) {
nextStep('db_cleaner', $i);
} else {
unset($_SESSION['db_cleaner']);
}
}
<tr>
<td>install.sql</td>
<td>可讀</td>
<td>
<?php
check(is_writable('install.sql'));
?>
</td>
</tr>
<tr>
<td>/file</td>
<td>可寫</td>
<td>
<?php
check(is_writable(dirname(dirname(__FILE__)) . '/file'));
?>
</td>
</tr>
</table>
<p>
<?php
nextStep();
?>
<!--當然你可以用直接瀏覽 install-method.php 的方式來繞過檢測，但是到時無法正常運作是你家的事，我不負責-->
</p>
</div>
<p class="text-center text-info">Proudly Powered by <a href="http://ad.allenchou.cc/">Allen Disk</a></p>
</body>
</html>
