Run database tasks and tests to see if Drupal can run on the database.

File

includes/install.inc, line 397

Class

DatabaseTasks

Database installer structure.

Code

public function runTasks() {
 // We need to establish a connection before we can run tests.
 if ($this->connect ()) {
 foreach ($this->tasks  as $task) {
 if (!isset($task['function'])) {
 $task['function'] = 'runTestQuery';
 }
 if (method_exists ($this, $task['function'])) {
 // Returning false is fatal. No other tasks can run.
 if (FALSE === call_user_func_array (array(
 $this,
 $task['function'],
 ), $task['arguments'])) {
 break;
 }
 }
 else {
 throw new DatabaseTaskException (st ("Failed to run all tasks against the database server. The task %task wasn't found.", array(
 '%task' => $task['function'],
 )));
 }
 }
 }
 // Check for failed results and compile message
 $message = '';
 foreach ($this->results  as $result => $success) {
 if (!$success) {
 $message .= '<p class="error">' . $result . '</p>';
 }
 }
 if (!empty($message)) {
 $message = 'Resolve all issues below to continue the installation. For help configuring your database server, see the <a href="http://drupal.org/getting-started/install">installation handbook</a>, or contact your hosting provider.' . $message;
 throw new DatabaseTaskException ($message);
 }
}

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