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<?php |
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/** |
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* Aura SQL wrapper for YOURLS that creates the allmighty YDB object. |
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* |
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* A fine example of a "class that knows too much" (see https://en.wikipedia.org/wiki/God_object) |
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* |
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* Note to plugin authors: you most likely SHOULD NOT use directly methods and properties of this class. Use instead |
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* function wrappers (eg don't use $ydb->option, or $ydb->set_option(), use yourls_*_options() functions instead). |
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* |
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* @since 1.7.3 |
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*/ |
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namespace YOURLS\Database; |
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use YOURLS\Admin\Logger; |
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use Aura\Sql\ExtendedPdo; |
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use PDO; |
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class YDB extends ExtendedPdo { |
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/** |
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* Debug mode, default false |
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* @var bool |
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*/ |
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protected $debug = false; |
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/** |
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* Page context (ie "infos", "bookmark", "plugins"...) |
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* @var string |
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*/ |
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protected $context = ''; |
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/** |
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* Information related to a short URL keyword (eg timestamp, long URL, ...) |
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* |
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* @var array |
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* |
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*/ |
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protected $infos = array(); |
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/** |
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* Is YOURLS installed and ready to run? |
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* @var bool |
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*/ |
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protected $installed = false; |
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/** |
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* Options |
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* @var array |
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*/ |
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protected $option = array(); |
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/** |
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* Plugin admin pages informations |
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* @var array |
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*/ |
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protected $plugin_pages = array(); |
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/** |
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* Plugin informations |
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* @var array |
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*/ |
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protected $plugins = array(); |
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/** |
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* Class constructor |
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* |
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* Don't forget to end with a call to the parent constructor |
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* |
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* @since 1.7.3 |
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* @param string $dsn The data source name |
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* @param string $user The username |
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* @param string $pass The password |
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* @param array $options Driver-specific options |
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* @param array $attributes Attributes to set after a connection |
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*/ |
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public function __construct($dsn, $user, $pass, $options, $attributes) { |
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parent::__construct($dsn, $user, $pass, $options, $attributes); |
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$this->connect_to_DB(); |
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// Log query infos |
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$this->start_profiler(); |
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} |
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/** |
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* Initiate real connection to DB server |
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* |
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* This is to check that the server is running and/or the config is OK |
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* |
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* @since 1.7.3 |
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* @return void |
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*/ |
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public function connect_to_DB() { |
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try { |
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$this->connect(); |
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} catch ( \Exception $e ) { |
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// Use any /user/db_error.php file |
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if( file_exists( YOURLS_USERDIR . '/db_error.php' ) ) { |
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include_once( YOURLS_USERDIR . '/db_error.php' ); |
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die(); |
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} |
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$message = yourls__( 'Incorrect DB config, or could not connect to DB' ); |
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$message .= '<br/>' . get_class($e) .': ' . $e->getMessage(); |
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yourls_die( yourls__( $message ), yourls__( 'Fatal error' ), 503 ); |
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die(); |
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} |
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} |
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/** |
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* Start a Message Logger |
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* |
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* @since 1.7.3 |
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* @see \YOURLS\Admin\Logger |
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* @see \Aura\Sql\Profiler |
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* @return void |
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*/ |
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public function start_profiler() { |
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$this->profiler = new Logger($this); |
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} |
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/** |
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* @param string $context |
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*/ |
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public function set_html_context($context) { |
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$this->context = $context; |
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} |
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/** |
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* @return string |
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*/ |
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public function get_html_context() { |
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return $this->context; |
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} |
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// Options low level functions, see \YOURLS\Database\Options |
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/** |
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* @param string $name |
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* @param mixed $value |
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*/ |
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public function set_option($name, $value) { |
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$this->option[$name] = $value; |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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public function has_option($name) { |
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return array_key_exists($name, $this->option); |
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} |
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/** |
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* @param string $name |
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* @return string |
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*/ |
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public function get_option($name) { |
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return $this->option[$name]; |
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} |
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/** |
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* @param string $name |
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*/ |
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public function delete_option($name) { |
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unset($this->option[$name]); |
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} |
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// Infos (related to keyword) low level functions |
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/** |
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* @param string $keyword |
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* @param mixed $infos |
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*/ |
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public function set_infos($keyword, $infos) { |
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$this->infos[$keyword] = $infos; |
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} |
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/** |
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* @param string $keyword |
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* @return bool |
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*/ |
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public function has_infos($keyword) { |
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return array_key_exists($keyword, $this->infos); |
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} |
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/** |
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* @param string $keyword |
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* @return array |
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*/ |
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public function get_infos($keyword) { |
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return $this->infos[$keyword]; |
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} |
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/** |
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* @param string $keyword |
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*/ |
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public function delete_infos($keyword) { |
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unset($this->infos[$keyword]); |
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} |
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/** |
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* @todo: infos & options are working the same way here. Abstract this. |
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*/ |
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// Plugin low level functions, see functions-plugins.php |
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/** |
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* @return array |
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*/ |
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public function get_plugins() { |
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return $this->plugins; |
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} |
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/** |
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* @param array $plugins |
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*/ |
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public function set_plugins(array $plugins) { |
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$this->plugins = $plugins; |
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} |
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/** |
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* @param string $plugin plugin filename |
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*/ |
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public function add_plugin($plugin) { |
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$this->plugins[] = $plugin; |
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} |
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/** |
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* @param string $plugin plugin filename |
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*/ |
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public function remove_plugin($plugin) { |
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unset($this->plugins[$plugin]); |
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} |
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// Plugin Pages low level functions, see functions-plugins.php |
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/** |
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* @return array |
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*/ |
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public function get_plugin_pages() { |
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return $this->plugin_pages; |
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} |
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/** |
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* @param array $pages |
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*/ |
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public function set_plugin_pages(array $pages) { |
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$this->plugin_pages = $pages; |
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} |
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/** |
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* @param string $slug |
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* @param string $title |
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* @param callable $function |
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*/ |
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public function add_plugin_page($slug, $title, $function) { |
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$this->plugin_pages[$slug] = array( |
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'slug' => $slug, |
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'title' => $title, |
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'function' => $function, |
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); |
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} |
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/** |
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* @param string $slug |
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*/ |
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public function remove_plugin_page($slug) { |
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unset($this->plugin_pages[$slug]); |
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} |
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/** |
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* Return count of SQL queries performed |
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* |
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* @since 1.7.3 |
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* @return int |
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*/ |
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public function get_num_queries() { |
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return count( (array) $this->get_queries() ); |
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} |
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/** |
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* Return SQL queries performed |
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* |
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* Aura\Sql\Profiler logs every PDO command issued. But depending on PDO::ATTR_EMULATE_PREPARES, some are |
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* actually sent to the mysql server or not : |
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* - if PDO::ATTR_EMULATE_PREPARES is true, prepare() statements are not sent to the server and are performed |
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* internally, so they are removed from the logger |
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* - if PDO::ATTR_EMULATE_PREPARES is false, prepare() statements are actually performed by the mysql server, |
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* and count as an actual query |
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* |
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* Resulting array is something like: |
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* array ( |
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* 0 => array ( |
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* 'duration' => 1.0010569095611572265625, |
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* 'function' => 'connect', |
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* 'statement' => NULL, |
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* 'bind_values' => array (), |
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* 'trace' => ...back trace..., |
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* ), |
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* // key index might not be sequential if 'prepare' function are filtered out |
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* 2 => array ( |
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* 'duration' => 0.000999927520751953125, |
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* 'function' => 'perform', |
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* 'statement' => 'SELECT option_value FROM yourls_options WHERE option_name = :option_name LIMIT 1', |
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* 'bind_values' => array ( 'option_name' => 'test_option' ), |
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* 'trace' => ...back trace..., |
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* ), |
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* ); |
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* |
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* @since 1.7.3 |
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* @return array |
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*/ |
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public function get_queries() { |
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$queries = $this->getProfiler()->getProfiles(); |
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if ($this->getAttribute(PDO::ATTR_EMULATE_PREPARES)) { |
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// keep queries if $query['function'] != 'prepare' |
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$queries = array_filter($queries, function($query) {return $query['function'] !== 'prepare';}); |
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} |
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return $queries; |
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} |
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/** |
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* Set YOURLS installed state |
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* |
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* @since 1.7.3 |
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* @param bool $bool |
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* @return void |
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*/ |
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public function set_installed($bool) { |
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$this->installed = $bool; |
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} |
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/** |
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* Get YOURLS installed state |
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* |
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* @since 1.7.3 |
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* @return bool |
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*/ |
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public function is_installed() { |
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return $this->installed; |
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} |
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/** |
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* Return standardized DB version |
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* |
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* The regex removes everything that's not a number at the start of the string, or remove anything that's not a number and what |
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* follows after that. |
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* 'omgmysql-5.5-ubuntu-4.20' => '5.5' |
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* 'mysql5.5-ubuntu-4.20' => '5.5' |
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* '5.5-ubuntu-4.20' => '5.5' |
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* '5.5-beta2' => '5.5' |
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* '5.5' => '5.5' |
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* |
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* @since 1.7.3 |
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* @return string |
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*/ |
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public function mysql_version() { |
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$version = $this->pdo->getAttribute(PDO::ATTR_SERVER_VERSION); |
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return $version; |
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} |
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/** |
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* Deprecated properties since 1.7.3, unused in 3rd party plugins as far as I know |
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* |
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* $ydb->DB_driver |
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* $ydb->captured_errors |
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* $ydb->dbh |
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* $ydb->result |
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* $ydb->rows_affected |
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* $ydb->show_errors |
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*/ |
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/** |
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* Deprecated functions since 1.7.3 |
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*/ |
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// @codeCoverageIgnoreStart |
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public function escape($string) { |
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yourls_deprecated_function( '$ydb->'.__FUNCTION__, '1.7.3', 'PDO' ); |
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// This will escape using PDO->quote(), but then remove the enclosing quotes |
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return substr($this->quote($string), 1, -1); |
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} |
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public function get_col($query) { |
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|
|
yourls_deprecated_function( '$ydb->'.__FUNCTION__, '1.7.3', 'PDO' ); |
397
|
|
|
yourls_debug_log('LEGACY SQL: '.$query); |
398
|
|
|
return $this->fetchCol($query); |
399
|
|
|
} |
400
|
|
|
|
401
|
|
|
public function get_results($query) { |
402
|
|
|
yourls_deprecated_function( '$ydb->'.__FUNCTION__, '1.7.3', 'PDO' ); |
403
|
|
|
yourls_debug_log('LEGACY SQL: '.$query); |
404
|
|
|
$stm = parent::query($query); |
|
|
|
|
405
|
|
|
return($stm->fetchAll(PDO::FETCH_OBJ)); |
406
|
|
|
} |
407
|
|
|
|
408
|
|
|
public function get_row($query) { |
409
|
|
|
yourls_deprecated_function( '$ydb->'.__FUNCTION__, '1.7.3', 'PDO' ); |
410
|
|
|
yourls_debug_log('LEGACY SQL: '.$query); |
411
|
|
|
$row = $this->fetchObjects($query); |
412
|
|
|
return isset($row[0]) ? $row[0] : null; |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
public function get_var($query) { |
416
|
|
|
yourls_deprecated_function( '$ydb->'.__FUNCTION__, '1.7.3', 'PDO' ); |
417
|
|
|
yourls_debug_log('LEGACY SQL: '.$query); |
418
|
|
|
return $this->fetchValue($query); |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
public function query($query) { |
422
|
|
|
yourls_deprecated_function( '$ydb->'.__FUNCTION__, '1.7.3', 'PDO' ); |
423
|
|
|
yourls_debug_log('LEGACY SQL: '.$query); |
424
|
|
|
return $this->fetchAffected($query); |
|
|
|
|
425
|
|
|
} |
426
|
|
|
// @codeCoverageIgnoreEnd |
427
|
|
|
} |
428
|
|
|
|
This check looks for a call to a parent method whose name is different than the method from which it is called.
Consider the following code:
The
getFirstName()
method in theSon
calls the wrong method in the parent class.