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<?php |
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namespace Anax\Database; |
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/** |
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* Database wrapper, provides a database API on top of PHP PDO for |
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* enhancing the API and dealing with error reporting and tracking. |
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*/ |
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class DatabaseDebug extends Database |
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{ |
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/** |
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* @var integer $numQueries count all queries made |
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* @var array $queries save all queries for debugging |
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* @var array $params Save all parameters for debugging |
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*/ |
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private static $numQueries = 0; |
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private static $queries = []; |
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private static $params = []; |
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/** |
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* Connect to the database. |
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* |
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* @return self |
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*/ |
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public function connect() |
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{ |
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if ($this->options['verbose']) { |
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echo "<p>Connecting to dsn:<br><code>" . $this->options['dsn'] . "</code>"; |
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} |
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$this->loadHistory(); |
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return parent::connect(); |
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} |
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/** |
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* Load query-history from session if available. |
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* |
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* @return int number of database queries made. |
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*/ |
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public function loadHistory() |
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{ |
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$key = $this->options['session_key']; |
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if (isset($_SESSION['CDatabase'])) { |
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self::$numQueries = $_SESSION[$key]['numQueries']; |
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self::$queries = $_SESSION[$key]['queries']; |
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self::$params = $_SESSION[$key]['params']; |
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unset($_SESSION[$key]); |
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} |
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} |
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/** |
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* Save query-history in session, useful as a flashmemory when redirecting to another page. |
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* |
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* @param string $extra enables to save some extra debug information. |
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* |
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* @return void |
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*/ |
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public function saveHistory($extra = null) |
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{ |
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if (!is_null($extra)) { |
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self::$queries[] = $extra; |
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self::$params[] = null; |
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} |
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self::$queries[] = 'Saved query-history to session.'; |
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self::$params[] = null; |
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$key = $this->options['session_key']; |
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$_SESSION[$key]['numQueries'] = self::$numQueries; |
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$_SESSION[$key]['queries'] = self::$queries; |
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$_SESSION[$key]['params'] = self::$params; |
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} |
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/** |
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* Get how many queries have been processed. |
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* |
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* @return int number of database queries made. |
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*/ |
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public function getNumQueries() |
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{ |
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return self::$numQueries; |
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} |
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/** |
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* Get all the queries that have been processed. |
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* |
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* @return array with queries. |
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*/ |
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public function getQueries() |
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{ |
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return [self::$queries, self::$params]; |
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} |
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/** |
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* Get a HTML representation of all queries made, for debugging |
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* and analysing purpose. |
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* |
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* @return string with HTML. |
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*/ |
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public function dump() |
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{ |
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$html = '<p><i>You have made ' . self::$numQueries . ' database queries.</i></p><pre>'; |
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foreach (self::$queries as $key => $val) { |
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$params = empty(self::$params[$key]) |
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? null |
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: htmlentities(print_r(self::$params[$key], 1), null, 'UTF-8') . '<br/><br/>'; |
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$html .= htmlentities($val, null, 'UTF-8') . '<br/><br/>' . $params; |
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} |
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return $html . '</pre>'; |
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} |
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/** |
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* Execute a SQL-query and ignore the resultset. |
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* |
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* @param string $query the SQL statement |
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* @param array $params the params array |
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* |
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* @throws Exception when failing to prepare question. |
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* |
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* @return boolean returns TRUE on success or FALSE on failure. |
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*/ |
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public function execute($query, $params = []) |
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{ |
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self::$queries[] = $query; |
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self::$params[] = $params; |
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self::$numQueries++; |
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if ($this->options['verbose']) { |
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echo "<p>Num query = " |
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. self::$numQueries |
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. "</p><p>Query = </p><pre>" |
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. htmlentities($query) |
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. "</pre>" |
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. (empty($params) |
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? null |
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: "<p>Params:</p><pre>" . htmlentities(print_r($params, 1)) . "</pre>" |
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); |
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} |
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return parent::execute($query, $params); |
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} |
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} |
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canax /
database
Loading history...
This check looks for access to properties that are not accessible from the current context.
If you need to make a property accessible to another context you can either raise its visibility level or provide an accessible getter in the defining class.