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<?php |
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namespace voku\db; |
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use voku\cache\Cache; |
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use voku\helper\UTF8; |
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/** |
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* DB: this handles DB queries via MySQLi |
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* |
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* @package voku\db |
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*/ |
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class DB |
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{ |
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/** |
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* @var int |
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*/ |
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public $query_count = 0; |
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/** |
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* @var bool |
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*/ |
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protected $exit_on_error = true; |
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/** |
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* @var bool |
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*/ |
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protected $echo_on_error = true; |
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/** |
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* @var string |
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*/ |
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protected $css_mysql_box_border = '3px solid red'; |
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/** |
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* @var string |
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*/ |
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protected $css_mysql_box_bg = '#FFCCCC'; |
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/** |
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* @var \mysqli |
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*/ |
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protected $link = false; |
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/** |
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* @var bool |
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*/ |
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protected $connected = false; |
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/** |
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* @var array |
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*/ |
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protected $mysqlDefaultTimeFunctions; |
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/** |
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* @var string |
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*/ |
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private $logger_class_name; |
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/** |
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* @var string |
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* |
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* 'TRACE', 'DEBUG', 'INFO', 'WARN', 'ERROR', 'FATAL' |
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*/ |
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private $logger_level; |
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/** |
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* @var string |
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*/ |
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private $hostname = ''; |
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/** |
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* @var string |
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*/ |
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private $username = ''; |
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/** |
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* @var string |
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*/ |
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private $password = ''; |
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/** |
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* @var string |
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*/ |
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private $database = ''; |
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/** |
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* @var int |
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*/ |
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private $port = 3306; |
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/** |
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* @var string |
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*/ |
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private $charset = 'utf8'; |
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/** |
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* @var string |
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*/ |
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private $socket = ''; |
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/** |
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* @var array |
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*/ |
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private $_errors = array(); |
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/** |
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* @var bool |
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*/ |
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private $session_to_db = false; |
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/** |
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* @var bool |
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*/ |
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private $_in_transaction = false; |
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/** |
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* __construct() |
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* |
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* @param string $hostname |
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* @param string $username |
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* @param string $password |
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* @param string $database |
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* @param int $port |
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* @param string $charset |
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* @param boolean|string $exit_on_error use a empty string "" or false to disable it |
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* @param boolean|string $echo_on_error use a empty string "" or false to disable it |
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* @param string $logger_class_name |
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* @param string $logger_level 'TRACE', 'DEBUG', 'INFO', 'WARN', 'ERROR', 'FATAL' |
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* @param boolean|string $session_to_db use a empty string "" or false to disable it |
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*/ |
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protected function __construct($hostname, $username, $password, $database, $port, $charset, $exit_on_error, $echo_on_error, $logger_class_name, $logger_level, $session_to_db) |
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{ |
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$this->connected = false; |
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$this->_loadConfig( |
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$hostname, |
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$username, |
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$password, |
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$database, |
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$port, |
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$charset, |
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$exit_on_error, |
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$echo_on_error, |
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$logger_class_name, |
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$logger_level, |
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$session_to_db |
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); |
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$this->connect(); |
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$this->mysqlDefaultTimeFunctions = array( |
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// Returns the current date |
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'CURDATE()', |
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// CURRENT_DATE | Synonyms for CURDATE() |
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'CURRENT_DATE()', |
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// CURRENT_TIME | Synonyms for CURTIME() |
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'CURRENT_TIME()', |
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// CURRENT_TIMESTAMP | Synonyms for NOW() |
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'CURRENT_TIMESTAMP()', |
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// Returns the current time |
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'CURTIME()', |
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// Synonym for NOW() |
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'LOCALTIME()', |
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// Synonym for NOW() |
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'LOCALTIMESTAMP()', |
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// Returns the current date and time |
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'NOW()', |
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// Returns the time at which the function executes |
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'SYSDATE()', |
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// Returns a UNIX timestamp |
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'UNIX_TIMESTAMP()', |
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// Returns the current UTC date |
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'UTC_DATE()', |
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// Returns the current UTC time |
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'UTC_TIME()', |
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// Returns the current UTC date and time |
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'UTC_TIMESTAMP()', |
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); |
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} |
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/** |
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* load the config |
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* |
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* @param string $hostname |
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* @param string $username |
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* @param string $password |
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* @param string $database |
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* @param int $port |
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* @param string $charset |
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* @param boolean|string $exit_on_error use a empty string "" or false to disable it |
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* @param boolean|string $echo_on_error use a empty string "" or false to disable it |
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* @param string $logger_class_name |
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* @param string $logger_level |
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* @param boolean|string $session_to_db use a empty string "" or false to disable it |
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* |
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* @return bool |
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*/ |
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private function _loadConfig($hostname, $username, $password, $database, $port, $charset, $exit_on_error, $echo_on_error, $logger_class_name, $logger_level, $session_to_db) |
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{ |
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$this->hostname = (string)$hostname; |
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$this->username = (string)$username; |
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$this->password = (string)$password; |
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$this->database = (string)$database; |
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if ($charset) { |
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$this->charset = (string)$charset; |
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} |
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if ($port) { |
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$this->port = (int)$port; |
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} else { |
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/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
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$this->port = @ini_get('mysqli.default_port'); |
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} |
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10 |
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if (!$this->socket) { |
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/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
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$this->socket = @ini_get('mysqli.default_socket'); |
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} |
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if ($exit_on_error === true || $exit_on_error === false) { |
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$this->exit_on_error = (boolean)$exit_on_error; |
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} |
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if ($echo_on_error === true || $echo_on_error === false) { |
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$this->echo_on_error = (boolean)$echo_on_error; |
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} |
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$this->logger_class_name = (string)$logger_class_name; |
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$this->logger_level = (string)$logger_level; |
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$this->session_to_db = (boolean)$session_to_db; |
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return $this->showConfigError(); |
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} |
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/** |
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* show config error and throw a exception |
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*/ |
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10 |
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public function showConfigError() |
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{ |
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if ( |
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10 |
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!$this->hostname |
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10 |
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|| |
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!$this->username |
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9 |
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|| |
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!$this->database |
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) { |
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3 |
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if (!$this->hostname) { |
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throw new \Exception('no-sql-hostname'); |
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} |
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2 |
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if (!$this->username) { |
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1 |
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throw new \Exception('no-sql-username'); |
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} |
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1 |
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if (!$this->database) { |
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1 |
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throw new \Exception('no-sql-database'); |
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} |
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} |
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return true; |
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} |
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269
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/** |
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270
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* connect |
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271
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* |
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* @return boolean |
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273
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*/ |
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8 |
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public function connect() |
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{ |
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8 |
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if ($this->isReady()) { |
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1 |
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return true; |
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} |
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279
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280
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8 |
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mysqli_report(MYSQLI_REPORT_STRICT); |
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try { |
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282
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/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
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8 |
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$this->link = @mysqli_connect( |
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8 |
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$this->hostname, |
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285
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8 |
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$this->username, |
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8 |
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$this->password, |
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287
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8 |
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$this->database, |
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8 |
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$this->port, |
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8 |
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$this->socket |
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290
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8 |
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); |
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291
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8 |
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} catch (\Exception $e) { |
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292
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3 |
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$this->_displayError('Error connecting to mysql server: ' . $e->getMessage(), true); |
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293
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} |
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294
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5 |
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mysqli_report(MYSQLI_REPORT_OFF); |
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295
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296
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5 |
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if (!$this->link) { |
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297
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$this->_displayError('Error connecting to mysql server: ' . mysqli_connect_error(), true); |
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298
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} else { |
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299
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5 |
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$this->set_charset($this->charset); |
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300
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5 |
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$this->connected = true; |
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301
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} |
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302
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303
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5 |
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return $this->isReady(); |
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304
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} |
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305
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306
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/** |
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307
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* check if db-connection is ready |
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308
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* |
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309
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* @return boolean |
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310
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*/ |
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311
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29 |
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public function isReady() |
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312
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{ |
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313
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29 |
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return $this->connected ? true : false; |
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314
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} |
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315
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316
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/** |
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317
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* _displayError |
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318
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* |
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319
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* @param string $e |
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320
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* @param null|boolean $force_exception_after_error |
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321
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* |
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322
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* @throws \Exception |
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323
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*/ |
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324
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18 |
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private function _displayError($e, $force_exception_after_error = null) |
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325
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{ |
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326
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18 |
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$fileInfo = $this->getFileAndLineFromSql(); |
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327
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328
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18 |
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$this->logger( |
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329
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array( |
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330
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18 |
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'error', |
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331
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18 |
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'<strong>' . date( |
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332
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'd. m. Y G:i:s' |
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333
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18 |
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) . ' (' . $fileInfo['file'] . ' line: ' . $fileInfo['line'] . ') (sql-error):</strong> ' . $e . '<br>', |
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334
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) |
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335
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18 |
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); |
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336
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337
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18 |
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$this->_errors[] = $e; |
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338
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339
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18 |
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if ($this->checkForDev() === true) { |
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340
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341
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18 |
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if ($this->echo_on_error) { |
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342
|
4 |
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$box_border = $this->css_mysql_box_border; |
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343
|
4 |
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$box_bg = $this->css_mysql_box_bg; |
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344
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|
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345
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echo ' |
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346
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4 |
|
<div class="OBJ-mysql-box" style="border:' . $box_border . '; background:' . $box_bg . '; padding:10px; margin:10px;"> |
|
347
|
|
|
<b style="font-size:14px;">MYSQL Error:</b> |
|
348
|
|
|
<code style="display:block;"> |
|
349
|
4 |
|
file / line: ' . $fileInfo['file'] . ' / ' . $fileInfo['line'] . ' |
|
350
|
4 |
|
' . $e . ' |
|
351
|
|
|
</code> |
|
352
|
|
|
</div> |
|
353
|
4 |
|
'; |
|
354
|
4 |
|
} |
|
355
|
|
|
|
|
356
|
18 |
|
if ($force_exception_after_error === true) { |
|
357
|
4 |
|
throw new \Exception($e); |
|
358
|
14 |
|
} elseif ($force_exception_after_error === false) { |
|
359
|
|
|
// nothing |
|
360
|
14 |
|
} elseif ($force_exception_after_error === null) { |
|
361
|
|
|
// default |
|
362
|
11 |
|
if ($this->exit_on_error === true) { |
|
363
|
2 |
|
throw new \Exception($e); |
|
364
|
|
|
} |
|
365
|
9 |
|
} |
|
366
|
12 |
|
} |
|
367
|
12 |
|
} |
|
368
|
|
|
|
|
369
|
|
|
/** |
|
370
|
|
|
* try to get the file & line from the current sql-query |
|
371
|
|
|
* |
|
372
|
|
|
* @return array will return array['file'] and array['line'] |
|
373
|
|
|
*/ |
|
374
|
19 |
|
private function getFileAndLineFromSql() |
|
375
|
|
|
{ |
|
376
|
|
|
// init |
|
377
|
19 |
|
$return = array(); |
|
378
|
19 |
|
$file = ''; |
|
379
|
19 |
|
$line = ''; |
|
380
|
|
|
|
|
381
|
19 |
|
$referrer = debug_backtrace(); |
|
382
|
|
|
|
|
383
|
19 |
|
foreach ($referrer as $key => $ref) { |
|
384
|
|
|
|
|
385
|
|
View Code Duplication |
if ( |
|
386
|
19 |
|
$ref['function'] == 'query' |
|
387
|
19 |
|
|| |
|
388
|
19 |
|
$ref['function'] == 'qry' |
|
389
|
19 |
|
) { |
|
390
|
11 |
|
$file = $referrer[$key]['file']; |
|
391
|
11 |
|
$line = $referrer[$key]['line']; |
|
392
|
11 |
|
} |
|
393
|
|
|
|
|
394
|
19 |
View Code Duplication |
if ($ref['function'] == '_logQuery') { |
|
395
|
1 |
|
$file = $referrer[$key + 1]['file']; |
|
396
|
1 |
|
$line = $referrer[$key + 1]['line']; |
|
397
|
1 |
|
} |
|
398
|
|
|
|
|
399
|
19 |
View Code Duplication |
if ($ref['function'] == 'execSQL') { |
|
400
|
1 |
|
$file = $referrer[$key]['file']; |
|
401
|
1 |
|
$line = $referrer[$key]['line']; |
|
402
|
|
|
|
|
403
|
1 |
|
break; |
|
404
|
|
|
} |
|
405
|
19 |
|
} |
|
406
|
|
|
|
|
407
|
19 |
|
$return['file'] = $file; |
|
408
|
19 |
|
$return['line'] = $line; |
|
409
|
|
|
|
|
410
|
19 |
|
return $return; |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
/** |
|
414
|
|
|
* wrapper for a "Logger"-Class |
|
415
|
|
|
* |
|
416
|
|
|
* @param string[] $log [method, text, type] e.g.: array('error', 'this is a error', 'sql') |
|
417
|
|
|
*/ |
|
418
|
20 |
|
private function logger($log) |
|
419
|
|
|
{ |
|
420
|
20 |
|
$logMethod = ''; |
|
421
|
20 |
|
$logText = ''; |
|
422
|
20 |
|
$logType = ''; |
|
423
|
20 |
|
$logClass = $this->logger_class_name; |
|
424
|
|
|
|
|
425
|
20 |
|
if (isset($log[0])) { |
|
426
|
20 |
|
$logMethod = $log[0]; |
|
427
|
20 |
|
} |
|
428
|
20 |
|
if (isset($log[1])) { |
|
429
|
20 |
|
$logText = $log[1]; |
|
430
|
20 |
|
} |
|
431
|
20 |
|
if (isset($log[2])) { |
|
432
|
1 |
|
$logType = $log[2]; |
|
433
|
1 |
|
} |
|
434
|
|
|
|
|
435
|
|
|
if ( |
|
436
|
|
|
$logClass |
|
437
|
20 |
|
&& |
|
438
|
|
|
class_exists($logClass) |
|
439
|
20 |
|
&& |
|
440
|
|
|
method_exists($logClass, $logMethod) |
|
441
|
20 |
|
) { |
|
442
|
|
|
$logClass::$logMethod($logText, $logType); |
|
443
|
|
|
} |
|
444
|
20 |
|
} |
|
445
|
|
|
|
|
446
|
|
|
/** |
|
447
|
|
|
* check for developer |
|
448
|
|
|
* |
|
449
|
|
|
* @return bool |
|
450
|
|
|
*/ |
|
451
|
18 |
|
private function checkForDev() |
|
452
|
|
|
{ |
|
453
|
18 |
|
$return = false; |
|
454
|
|
|
|
|
455
|
18 |
|
if (function_exists('checkForDev')) { |
|
456
|
|
|
$return = checkForDev(); |
|
457
|
|
|
} else { |
|
458
|
|
|
|
|
459
|
|
|
// for testing with dev-address |
|
460
|
18 |
|
$noDev = isset($_GET['noDev']) ? (int)$_GET['noDev'] : 0; |
|
461
|
18 |
|
$remoteAddr = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : false; |
|
462
|
|
|
|
|
463
|
|
|
if ( |
|
464
|
|
|
$noDev != 1 |
|
465
|
18 |
|
&& |
|
466
|
|
|
( |
|
467
|
|
|
$remoteAddr == '127.0.0.1' |
|
468
|
18 |
|
|| |
|
469
|
|
|
$remoteAddr == '::1' |
|
470
|
18 |
|
|| |
|
471
|
18 |
|
PHP_SAPI == 'cli' |
|
472
|
18 |
|
) |
|
473
|
18 |
|
) { |
|
474
|
18 |
|
$return = true; |
|
475
|
18 |
|
} |
|
476
|
|
|
} |
|
477
|
|
|
|
|
478
|
18 |
|
return $return; |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
/** |
|
482
|
|
|
* execute a sql-query and |
|
483
|
|
|
* return the result-array for select-statements |
|
484
|
|
|
* |
|
485
|
|
|
* ----------------------- |
|
486
|
|
|
* |
|
487
|
|
|
* e.g.: |
|
488
|
|
|
* $retcode = DB::qry("UPDATE user_extension |
|
489
|
|
|
* SET |
|
490
|
|
|
* user_name='?' |
|
491
|
|
|
* WHERE user_uid_fk='?' |
|
492
|
|
|
* ", |
|
493
|
|
|
* $userName, |
|
494
|
|
|
* (int)$uid |
|
495
|
|
|
* ); |
|
496
|
|
|
* |
|
497
|
|
|
* ----------------------- |
|
498
|
|
|
* |
|
499
|
|
|
* @param $query |
|
500
|
|
|
* |
|
501
|
|
|
* @return array|bool|int|\voku\db\Result |
|
502
|
|
|
* @deprecated |
|
503
|
|
|
* @throws \Exception |
|
504
|
|
|
*/ |
|
505
|
|
|
public static function qry($query) |
|
506
|
|
|
{ |
|
507
|
|
|
$db = self::getInstance(); |
|
508
|
|
|
|
|
509
|
|
|
$args = func_get_args(); |
|
510
|
|
|
$query = array_shift($args); |
|
511
|
|
|
$query = str_replace('?', '%s', $query); |
|
512
|
|
|
$args = array_map( |
|
513
|
|
|
array( |
|
514
|
|
|
$db, |
|
515
|
|
|
'escape', |
|
516
|
|
|
), |
|
517
|
|
|
$args |
|
518
|
|
|
); |
|
519
|
|
|
array_unshift($args, $query); |
|
520
|
|
|
$query = call_user_func_array('sprintf', $args); |
|
521
|
|
|
$result = $db->query($query); |
|
522
|
|
|
|
|
523
|
|
|
if ($result instanceof Result) { |
|
524
|
|
|
$return = $result->fetchAllArray(); |
|
525
|
|
|
} else { |
|
526
|
|
|
$return = $result; |
|
527
|
|
|
} |
|
528
|
|
|
|
|
529
|
|
|
if ($return || is_array($return)) { |
|
530
|
|
|
return $return; |
|
531
|
|
|
} else { |
|
532
|
|
|
return false; |
|
533
|
|
|
} |
|
534
|
|
|
} |
|
535
|
|
|
|
|
536
|
|
|
/** |
|
537
|
|
|
* getInstance() |
|
538
|
|
|
* |
|
539
|
|
|
* @param string $hostname |
|
540
|
|
|
* @param string $username |
|
541
|
|
|
* @param string $password |
|
542
|
|
|
* @param string $database |
|
543
|
|
|
* @param string $port default is '3306' |
|
544
|
|
|
* @param string $charset default is 'utf8', but if you need 4-byte chars, then your tables need |
|
545
|
|
|
* the 'utf8mb4'-charset |
|
546
|
|
|
* @param bool|string $exit_on_error use a empty string "" or false to disable it |
|
547
|
|
|
* @param bool|string $echo_on_error use a empty string "" or false to disable it |
|
548
|
|
|
* @param string $logger_class_name |
|
549
|
|
|
* @param string $logger_level |
|
550
|
|
|
* @param bool|string $session_to_db use a empty string "" or false to disable it |
|
551
|
|
|
* |
|
552
|
|
|
* @return \voku\db\DB |
|
553
|
|
|
*/ |
|
554
|
39 |
|
public static function getInstance($hostname = '', $username = '', $password = '', $database = '', $port = '', $charset = '', $exit_on_error = '', $echo_on_error = '', $logger_class_name = '', $logger_level = '', $session_to_db = '') |
|
555
|
|
|
{ |
|
556
|
|
|
/** |
|
557
|
|
|
* @var $instance DB[] |
|
558
|
|
|
*/ |
|
559
|
39 |
|
static $instance = array(); |
|
560
|
|
|
|
|
561
|
|
|
/** |
|
562
|
|
|
* @var $firstInstance DB |
|
563
|
|
|
*/ |
|
564
|
39 |
|
static $firstInstance = null; |
|
565
|
|
|
|
|
566
|
|
|
if ( |
|
567
|
39 |
|
$hostname . $username . $password . $database . $port . $charset == '' |
|
568
|
39 |
|
&& |
|
569
|
7 |
|
null !== $firstInstance |
|
570
|
39 |
|
) { |
|
571
|
7 |
|
return $firstInstance; |
|
572
|
|
|
} |
|
573
|
|
|
|
|
574
|
39 |
|
$connection = md5( |
|
575
|
39 |
|
$hostname . $username . $password . $database . $port . $charset . (int)$exit_on_error . (int)$echo_on_error . $logger_class_name . $logger_level . (int)$session_to_db |
|
576
|
39 |
|
); |
|
577
|
|
|
|
|
578
|
39 |
|
if (!isset($instance[$connection])) { |
|
579
|
10 |
|
$instance[$connection] = new self( |
|
580
|
10 |
|
$hostname, |
|
581
|
10 |
|
$username, |
|
582
|
10 |
|
$password, |
|
583
|
10 |
|
$database, |
|
584
|
10 |
|
$port, |
|
585
|
10 |
|
$charset, |
|
586
|
10 |
|
$exit_on_error, |
|
587
|
10 |
|
$echo_on_error, |
|
588
|
10 |
|
$logger_class_name, |
|
589
|
10 |
|
$logger_level, |
|
590
|
|
|
$session_to_db |
|
591
|
10 |
|
); |
|
592
|
|
|
|
|
593
|
4 |
|
if (null === $firstInstance) { |
|
594
|
1 |
|
$firstInstance = $instance[$connection]; |
|
595
|
1 |
|
} |
|
596
|
4 |
|
} |
|
597
|
|
|
|
|
598
|
39 |
|
return $instance[$connection]; |
|
599
|
|
|
} |
|
600
|
|
|
|
|
601
|
|
|
/** |
|
602
|
|
|
* run a sql-query |
|
603
|
|
|
* |
|
604
|
|
|
* @param string $sql sql-query string |
|
605
|
|
|
* |
|
606
|
|
|
* @param array|boolean $params a "array" of sql-query-parameters |
|
607
|
|
|
* "false" if you don't need any parameter |
|
608
|
|
|
* |
|
609
|
|
|
* @return bool|int|Result "Result" by "<b>SELECT</b>"-queries<br /> |
|
610
|
|
|
* "int" (insert_id) by "<b>INSERT / REPLACE</b>"-queries<br /> |
|
611
|
|
|
* "int" (affected_rows) by "<b>UPDATE / DELETE</b>"-queries<br /> |
|
612
|
|
|
* "true" by e.g. "DROP"-queries<br /> |
|
613
|
|
|
* "false" on error |
|
614
|
|
|
* |
|
615
|
|
|
* @throws \Exception |
|
616
|
|
|
*/ |
|
617
|
22 |
|
public function query($sql = '', $params = false) |
|
618
|
|
|
{ |
|
619
|
22 |
|
if (!$this->isReady()) { |
|
620
|
|
|
return false; |
|
621
|
|
|
} |
|
622
|
|
|
|
|
623
|
22 |
|
if (!$sql || $sql === '') { |
|
624
|
4 |
|
$this->_displayError('Can\'t execute an empty Query', false); |
|
625
|
|
|
|
|
626
|
4 |
|
return false; |
|
627
|
|
|
} |
|
628
|
|
|
|
|
629
|
|
|
if ( |
|
630
|
|
|
$params !== false |
|
631
|
20 |
|
&& |
|
632
|
1 |
|
is_array($params) |
|
633
|
20 |
|
&& |
|
634
|
1 |
|
count($params) > 0 |
|
635
|
20 |
|
) { |
|
636
|
1 |
|
$sql = $this->_parseQueryParams($sql, $params); |
|
637
|
1 |
|
} |
|
638
|
|
|
|
|
639
|
20 |
|
$query_start_time = microtime(true); |
|
640
|
20 |
|
$result = mysqli_query($this->link, $sql); |
|
641
|
20 |
|
$query_duration = microtime(true) - $query_start_time; |
|
642
|
20 |
|
$this->query_count++; |
|
643
|
|
|
|
|
644
|
20 |
|
$resultCount = 0; |
|
645
|
20 |
|
if ($result instanceof \mysqli_result) { |
|
646
|
17 |
|
$resultCount = (int)$result->num_rows; |
|
647
|
17 |
|
} |
|
648
|
20 |
|
$this->_logQuery($sql, $query_duration, $resultCount); |
|
649
|
|
|
|
|
650
|
|
|
if ( |
|
651
|
|
|
$result !== null |
|
652
|
20 |
|
&& |
|
653
|
|
|
$result instanceof \mysqli_result |
|
654
|
20 |
|
) { |
|
655
|
|
|
|
|
656
|
|
|
// return query result object |
|
657
|
17 |
|
return new Result($sql, $result); |
|
658
|
|
|
|
|
659
|
|
|
} else { |
|
660
|
|
|
// is the query successful |
|
661
|
17 |
|
if ($result === true) { |
|
662
|
|
|
|
|
663
|
15 |
|
if (preg_match('/^\s*"?(INSERT|UPDATE|DELETE|REPLACE)\s+/i', $sql)) { |
|
664
|
|
|
|
|
665
|
|
|
// it is an "INSERT" || "REPLACE" |
|
666
|
15 |
|
if ($this->insert_id() > 0) { |
|
667
|
14 |
|
return (int)$this->insert_id(); |
|
668
|
|
|
} |
|
669
|
|
|
|
|
670
|
|
|
// it is an "UPDATE" || "DELETE" |
|
671
|
6 |
|
if ($this->affected_rows() > 0) { |
|
672
|
6 |
|
return (int)$this->affected_rows(); |
|
673
|
|
|
} |
|
674
|
|
|
} |
|
675
|
|
|
|
|
676
|
|
|
return true; |
|
677
|
|
|
} else { |
|
678
|
8 |
|
$this->queryErrorHandling(mysqli_error($this->link), $sql, $params); |
|
679
|
|
|
} |
|
680
|
|
|
} |
|
681
|
|
|
|
|
682
|
8 |
|
return false; |
|
683
|
|
|
} |
|
684
|
|
|
|
|
685
|
|
|
/** |
|
686
|
|
|
* _parseQueryParams |
|
687
|
|
|
* |
|
688
|
|
|
* @param string $sql |
|
689
|
|
|
* @param array $params |
|
690
|
|
|
* |
|
691
|
|
|
* @return string |
|
692
|
|
|
*/ |
|
693
|
1 |
|
private function _parseQueryParams($sql, array $params) |
|
694
|
|
|
{ |
|
695
|
|
|
|
|
696
|
|
|
// is there anything to parse? |
|
697
|
1 |
|
if (strpos($sql, '?') === false) { |
|
698
|
|
|
return $sql; |
|
699
|
|
|
} |
|
700
|
|
|
|
|
701
|
1 |
|
if (count($params) > 0) { |
|
702
|
1 |
|
$parseKey = md5(uniqid(mt_rand(), true)); |
|
703
|
1 |
|
$sql = str_replace('?', $parseKey, $sql); |
|
704
|
|
|
|
|
705
|
1 |
|
$k = 0; |
|
706
|
1 |
|
while (strpos($sql, $parseKey) !== false) { |
|
707
|
1 |
|
$value = $this->secure($params[$k]); |
|
708
|
1 |
|
$sql = preg_replace("/$parseKey/", $value, $sql, 1); |
|
709
|
1 |
|
$k++; |
|
710
|
1 |
|
} |
|
711
|
1 |
|
} |
|
712
|
|
|
|
|
713
|
1 |
|
return $sql; |
|
714
|
|
|
} |
|
715
|
|
|
|
|
716
|
|
|
/** |
|
717
|
|
|
* secure |
|
718
|
|
|
* |
|
719
|
|
|
* @param mixed $var |
|
720
|
|
|
* |
|
721
|
|
|
* @return string | null |
|
722
|
|
|
*/ |
|
723
|
14 |
|
public function secure($var) |
|
724
|
|
|
{ |
|
725
|
14 |
|
if (is_string($var)) { |
|
726
|
|
|
|
|
727
|
14 |
|
if (!in_array($var, $this->mysqlDefaultTimeFunctions, true)) { |
|
728
|
14 |
|
$var = "'" . trim($this->escape(trim(trim($var), "'")), "'") . "'"; |
|
729
|
14 |
|
} |
|
730
|
|
|
|
|
731
|
14 |
|
} elseif (is_int($var) || is_bool($var)) { |
|
732
|
12 |
|
$var = (int)$var; |
|
733
|
12 |
View Code Duplication |
} elseif (is_float($var)) { |
|
734
|
1 |
|
$var = number_format((float)str_replace(',', '.', $var), 8, '.', ''); |
|
735
|
1 |
|
} elseif (is_array($var)) { |
|
736
|
1 |
|
$var = null; |
|
737
|
1 |
|
} elseif (($var instanceof \DateTime)) { |
|
738
|
|
|
try { |
|
739
|
1 |
|
$var = "'" . $this->escape($var->format('Y-m-d H:i:s'), false, false) . "'"; |
|
740
|
1 |
|
} catch (\Exception $e) { |
|
741
|
|
|
$var = null; |
|
742
|
|
|
} |
|
743
|
1 |
|
} else { |
|
744
|
|
|
$var = "'" . trim($this->escape(trim(trim($var), "'")), "'") . "'"; |
|
745
|
|
|
} |
|
746
|
|
|
|
|
747
|
14 |
|
return $var; |
|
748
|
|
|
} |
|
749
|
|
|
|
|
750
|
|
|
/** |
|
751
|
|
|
* escape |
|
752
|
|
|
* |
|
753
|
|
|
* @param array|float|int|string|boolean $var boolean: convert into "integer"<br /> |
|
754
|
|
|
* int: convert into "integer"<br /> |
|
755
|
|
|
* float: convert into "float" and replace "," with "."<br /> |
|
756
|
|
|
* array: run escape() for every key => value<br /> |
|
757
|
|
|
* string: run UTF8::cleanup() and mysqli_real_escape_string()<br /> |
|
758
|
|
|
* @param bool $stripe_non_utf8 |
|
759
|
|
|
* @param bool $html_entity_decode |
|
760
|
|
|
* @param bool $array_to_string |
|
761
|
|
|
* |
|
762
|
|
|
* @return array|bool|float|int|string |
|
763
|
|
|
*/ |
|
764
|
17 |
|
public function escape($var = '', $stripe_non_utf8 = true, $html_entity_decode = true, $array_to_string = false) |
|
765
|
|
|
{ |
|
766
|
|
|
|
|
767
|
17 |
|
if (is_int($var) || is_bool($var)) { |
|
768
|
|
|
|
|
769
|
|
|
// int |
|
770
|
|
|
|
|
771
|
3 |
|
return (int)$var; |
|
772
|
|
|
|
|
773
|
17 |
View Code Duplication |
} elseif (is_float($var)) { |
|
774
|
|
|
|
|
775
|
|
|
// float |
|
776
|
|
|
|
|
777
|
1 |
|
return number_format((float)str_replace(',', '.', $var), 8, '.', ''); |
|
778
|
|
|
|
|
779
|
17 |
|
} elseif (is_array($var)) { |
|
780
|
|
|
|
|
781
|
|
|
// array |
|
782
|
|
|
|
|
783
|
1 |
|
$varCleaned = array(); |
|
784
|
1 |
|
foreach ($var as $key => $value) { |
|
785
|
|
|
|
|
786
|
1 |
|
$key = (string)$this->escape($key, $stripe_non_utf8, $html_entity_decode); |
|
787
|
1 |
|
$value = (string)$this->escape($value, $stripe_non_utf8, $html_entity_decode); |
|
788
|
|
|
|
|
789
|
1 |
|
$varCleaned[$key] = $value; |
|
790
|
1 |
|
} |
|
791
|
|
|
|
|
792
|
1 |
|
if ($array_to_string === true) { |
|
793
|
1 |
|
$varCleaned = implode(',', $varCleaned); |
|
794
|
|
|
|
|
795
|
1 |
|
return $varCleaned; |
|
796
|
|
|
} else { |
|
797
|
1 |
|
return (array)$varCleaned; |
|
798
|
|
|
} |
|
799
|
|
|
} |
|
800
|
|
|
|
|
801
|
17 |
|
if (is_string($var)) { |
|
802
|
|
|
|
|
803
|
|
|
// string |
|
804
|
|
|
|
|
805
|
17 |
|
if ($stripe_non_utf8 === true) { |
|
806
|
17 |
|
$var = UTF8::cleanup($var); |
|
807
|
17 |
|
} |
|
808
|
|
|
|
|
809
|
17 |
|
if ($html_entity_decode === true) { |
|
810
|
|
|
// use no-html-entity for db |
|
811
|
17 |
|
$var = UTF8::html_entity_decode($var); |
|
812
|
17 |
|
} |
|
813
|
|
|
|
|
814
|
17 |
|
$var = get_magic_quotes_gpc() ? stripslashes($var) : $var; |
|
815
|
|
|
|
|
816
|
17 |
|
$var = mysqli_real_escape_string($this->getLink(), $var); |
|
817
|
|
|
|
|
818
|
17 |
|
return (string)$var; |
|
819
|
|
|
} else { |
|
820
|
|
|
return false; |
|
821
|
|
|
} |
|
822
|
|
|
} |
|
823
|
|
|
|
|
824
|
|
|
/** |
|
825
|
|
|
* getLink |
|
826
|
|
|
* |
|
827
|
|
|
* @return \mysqli |
|
828
|
|
|
*/ |
|
829
|
17 |
|
public function getLink() |
|
830
|
|
|
{ |
|
831
|
17 |
|
return $this->link; |
|
832
|
|
|
} |
|
833
|
|
|
|
|
834
|
|
|
/** |
|
835
|
|
|
* _logQuery |
|
836
|
|
|
* |
|
837
|
|
|
* @param String $sql sql-query |
|
838
|
|
|
* @param int $duration |
|
839
|
|
|
* @param int $results result counter |
|
840
|
|
|
* |
|
841
|
|
|
* @return bool |
|
842
|
|
|
*/ |
|
843
|
21 |
|
private function _logQuery($sql, $duration, $results) |
|
844
|
|
|
{ |
|
845
|
21 |
|
$logLevelUse = strtolower($this->logger_level); |
|
846
|
|
|
|
|
847
|
|
|
if ( |
|
848
|
|
|
$logLevelUse != 'trace' |
|
849
|
21 |
|
&& |
|
850
|
|
|
$logLevelUse != 'debug' |
|
851
|
21 |
|
) { |
|
852
|
20 |
|
return false; |
|
853
|
|
|
} |
|
854
|
|
|
|
|
855
|
1 |
|
$info = 'time => ' . round( |
|
856
|
1 |
|
$duration, |
|
857
|
|
|
5 |
|
858
|
1 |
|
) . ' - ' . 'results => ' . $results . ' - ' . 'SQL => ' . UTF8::htmlentities($sql); |
|
859
|
|
|
|
|
860
|
1 |
|
$fileInfo = $this->getFileAndLineFromSql(); |
|
861
|
1 |
|
$this->logger( |
|
862
|
|
|
array( |
|
863
|
1 |
|
'debug', |
|
864
|
1 |
|
'<strong>' . date( |
|
865
|
|
|
'd. m. Y G:i:s' |
|
866
|
1 |
|
) . ' (' . $fileInfo['file'] . ' line: ' . $fileInfo['line'] . '):</strong> ' . $info . '<br>', |
|
867
|
1 |
|
'sql', |
|
868
|
|
|
) |
|
869
|
1 |
|
); |
|
870
|
|
|
|
|
871
|
1 |
|
return true; |
|
872
|
|
|
} |
|
873
|
|
|
|
|
874
|
|
|
/** |
|
875
|
|
|
* insert_id |
|
876
|
|
|
* |
|
877
|
|
|
* @return int|string |
|
878
|
|
|
*/ |
|
879
|
15 |
|
public function insert_id() |
|
880
|
|
|
{ |
|
881
|
15 |
|
return mysqli_insert_id($this->link); |
|
882
|
|
|
} |
|
883
|
|
|
|
|
884
|
|
|
/** |
|
885
|
|
|
* affected_rows |
|
886
|
|
|
* |
|
887
|
|
|
* @return int |
|
888
|
|
|
*/ |
|
889
|
6 |
|
public function affected_rows() |
|
890
|
|
|
{ |
|
891
|
6 |
|
return mysqli_affected_rows($this->link); |
|
892
|
|
|
} |
|
893
|
|
|
|
|
894
|
|
|
/** |
|
895
|
|
|
* query error-handling |
|
896
|
|
|
* |
|
897
|
|
|
* @param string $errorMsg |
|
898
|
|
|
* @param string $sql |
|
899
|
|
|
* @param array|bool $sqlParams false if there wasn't any parameter |
|
900
|
|
|
* |
|
901
|
|
|
* @throws \Exception |
|
902
|
|
|
*/ |
|
903
|
9 |
|
protected function queryErrorHandling($errorMsg, $sql, $sqlParams = false) |
|
904
|
|
|
{ |
|
905
|
9 |
|
if ($errorMsg == 'DB server has gone away' || $errorMsg == 'MySQL server has gone away') { |
|
906
|
1 |
|
static $reconnectCounter; |
|
907
|
|
|
|
|
908
|
|
|
// exit if we have more then 3 "DB server has gone away"-errors |
|
909
|
1 |
|
if ($reconnectCounter > 3) { |
|
910
|
|
|
$this->mailToAdmin('SQL-Fatal-Error', $errorMsg . ":\n<br />" . $sql, 5); |
|
911
|
|
|
throw new \Exception($errorMsg); |
|
912
|
|
|
} else { |
|
913
|
1 |
|
$this->mailToAdmin('SQL-Error', $errorMsg . ":\n<br />" . $sql); |
|
914
|
|
|
|
|
915
|
|
|
// reconnect |
|
916
|
1 |
|
$reconnectCounter++; |
|
917
|
1 |
|
$this->reconnect(true); |
|
918
|
|
|
|
|
919
|
|
|
// re-run the current query |
|
920
|
1 |
|
$this->query($sql, $sqlParams); |
|
921
|
|
|
} |
|
922
|
1 |
|
} else { |
|
923
|
8 |
|
$this->mailToAdmin('SQL-Warning', $errorMsg . ":\n<br />" . $sql); |
|
924
|
|
|
|
|
925
|
|
|
// this query returned an error, we must display it (only for dev) !!! |
|
926
|
8 |
|
$this->_displayError($errorMsg . ' | ' . $sql); |
|
927
|
|
|
} |
|
928
|
9 |
|
} |
|
929
|
|
|
|
|
930
|
|
|
/** |
|
931
|
|
|
* send a error mail to the admin / dev |
|
932
|
|
|
* |
|
933
|
|
|
* @param string $subject |
|
934
|
|
|
* @param string $htmlBody |
|
935
|
|
|
* @param int $priority |
|
936
|
|
|
*/ |
|
937
|
9 |
|
private function mailToAdmin($subject, $htmlBody, $priority = 3) |
|
938
|
|
|
{ |
|
939
|
9 |
|
if (function_exists('mailToAdmin')) { |
|
940
|
|
|
mailToAdmin($subject, $htmlBody, $priority); |
|
941
|
|
|
} else { |
|
942
|
|
|
|
|
943
|
9 |
|
if ($priority == 3) { |
|
944
|
9 |
|
$this->logger( |
|
945
|
|
|
array( |
|
946
|
9 |
|
'debug', |
|
947
|
9 |
|
$subject . ' | ' . $htmlBody, |
|
948
|
|
|
) |
|
949
|
9 |
|
); |
|
950
|
9 |
|
} elseif ($priority > 3) { |
|
951
|
|
|
$this->logger( |
|
952
|
|
|
array( |
|
953
|
|
|
'error', |
|
954
|
|
|
$subject . ' | ' . $htmlBody, |
|
955
|
|
|
) |
|
956
|
|
|
); |
|
957
|
|
|
} elseif ($priority < 3) { |
|
958
|
|
|
$this->logger( |
|
959
|
|
|
array( |
|
960
|
|
|
'info', |
|
961
|
|
|
$subject . ' | ' . $htmlBody, |
|
962
|
|
|
) |
|
963
|
|
|
); |
|
964
|
|
|
} |
|
965
|
|
|
|
|
966
|
|
|
} |
|
967
|
9 |
|
} |
|
968
|
|
|
|
|
969
|
|
|
/** |
|
970
|
|
|
* reconnect |
|
971
|
|
|
* |
|
972
|
|
|
* @param bool $checkViaPing |
|
973
|
|
|
* |
|
974
|
|
|
* @return bool |
|
975
|
|
|
*/ |
|
976
|
2 |
|
public function reconnect($checkViaPing = false) |
|
977
|
|
|
{ |
|
978
|
2 |
|
$ping = false; |
|
979
|
|
|
|
|
980
|
2 |
|
if ($checkViaPing === true) { |
|
981
|
2 |
|
$ping = $this->ping(); |
|
982
|
2 |
|
} |
|
983
|
|
|
|
|
984
|
2 |
|
if ($ping !== true) { |
|
985
|
2 |
|
$this->connected = false; |
|
986
|
2 |
|
$this->connect(); |
|
987
|
2 |
|
} |
|
988
|
|
|
|
|
989
|
2 |
|
return $this->isReady(); |
|
990
|
|
|
} |
|
991
|
|
|
|
|
992
|
|
|
/** |
|
993
|
|
|
* ping |
|
994
|
|
|
* |
|
995
|
|
|
* @return boolean |
|
996
|
|
|
*/ |
|
997
|
3 |
|
public function ping() |
|
998
|
|
|
{ |
|
999
|
|
|
if ( |
|
1000
|
3 |
|
$this->link |
|
1001
|
3 |
|
&& |
|
1002
|
3 |
|
$this->link instanceof \mysqli |
|
1003
|
3 |
|
) { |
|
1004
|
|
|
/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
|
1005
|
3 |
|
return @mysqli_ping($this->link); |
|
1006
|
|
|
} else { |
|
1007
|
|
|
return false; |
|
1008
|
|
|
} |
|
1009
|
|
|
} |
|
1010
|
|
|
|
|
1011
|
|
|
/** |
|
1012
|
|
|
* can handel select/insert/update/delete queries |
|
1013
|
|
|
* |
|
1014
|
|
|
* @param string $query sql-query |
|
1015
|
|
|
* @param bool $useCache use cache? |
|
1016
|
|
|
* @param int $cacheTTL cache-ttl in seconds |
|
1017
|
|
|
* |
|
1018
|
|
|
* @return bool|int|array "array" by "<b>SELECT</b>"-queries<br /> |
|
1019
|
|
|
* "int" (insert_id) by "<b>INSERT</b>"-queries<br /> |
|
1020
|
|
|
* "int" (affected_rows) by "<b>UPDATE / DELETE</b>"-queries<br /> |
|
1021
|
|
|
* "true" by e.g. "DROP"-queries<br /> |
|
1022
|
|
|
* "false" on error |
|
1023
|
|
|
* |
|
1024
|
|
|
*/ |
|
1025
|
3 |
|
public static function execSQL($query, $useCache = false, $cacheTTL = 3600) |
|
1026
|
|
|
{ |
|
1027
|
3 |
|
$db = self::getInstance(); |
|
1028
|
|
|
|
|
1029
|
3 |
|
if ($useCache === true) { |
|
1030
|
1 |
|
$cache = new Cache(null, null, false, $useCache); |
|
1031
|
1 |
|
$cacheKey = 'sql-' . md5($query); |
|
1032
|
|
|
|
|
1033
|
|
|
if ( |
|
1034
|
1 |
|
$cache->getCacheIsReady() === true |
|
1035
|
1 |
|
&& |
|
1036
|
1 |
|
$cache->existsItem($cacheKey) |
|
1037
|
1 |
|
) { |
|
1038
|
1 |
|
return $cache->getItem($cacheKey); |
|
1039
|
|
|
} |
|
1040
|
|
|
|
|
1041
|
1 |
|
} else { |
|
1042
|
3 |
|
$cache = false; |
|
1043
|
|
|
} |
|
1044
|
|
|
|
|
1045
|
3 |
|
$result = $db->query($query); |
|
1046
|
|
|
|
|
1047
|
3 |
|
if ($result instanceof Result) { |
|
1048
|
|
|
|
|
1049
|
1 |
|
$return = $result->fetchAllArray(); |
|
1050
|
|
|
|
|
1051
|
|
|
if ( |
|
1052
|
1 |
|
isset($cacheKey) |
|
1053
|
1 |
|
&& |
|
1054
|
|
|
$useCache === true |
|
1055
|
1 |
|
&& |
|
1056
|
|
|
$cache instanceof Cache |
|
1057
|
1 |
|
&& |
|
1058
|
1 |
|
$cache->getCacheIsReady() === true |
|
1059
|
1 |
|
) { |
|
1060
|
1 |
|
$cache->setItem($cacheKey, $return, $cacheTTL); |
|
1061
|
1 |
|
} |
|
1062
|
|
|
|
|
1063
|
1 |
|
} else { |
|
1064
|
2 |
|
$return = $result; |
|
1065
|
|
|
} |
|
1066
|
|
|
|
|
1067
|
3 |
|
return $return; |
|
1068
|
|
|
} |
|
1069
|
|
|
|
|
1070
|
|
|
/** |
|
1071
|
|
|
* get charset |
|
1072
|
|
|
* |
|
1073
|
|
|
* @return string |
|
1074
|
|
|
*/ |
|
1075
|
1 |
|
public function get_charset() |
|
1076
|
|
|
{ |
|
1077
|
1 |
|
return $this->charset; |
|
1078
|
|
|
} |
|
1079
|
|
|
|
|
1080
|
|
|
/** |
|
1081
|
|
|
* set charset |
|
1082
|
|
|
* |
|
1083
|
|
|
* @param string $charset |
|
1084
|
|
|
* |
|
1085
|
|
|
* @return bool |
|
1086
|
|
|
*/ |
|
1087
|
6 |
|
public function set_charset($charset) |
|
1088
|
|
|
{ |
|
1089
|
6 |
|
$this->charset = (string)$charset; |
|
1090
|
|
|
|
|
1091
|
6 |
|
$return = mysqli_set_charset($this->link, $charset); |
|
1092
|
|
|
/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
|
1093
|
6 |
|
@mysqli_query($this->link, 'SET CHARACTER SET ' . $charset); |
|
1094
|
|
|
/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
|
1095
|
6 |
|
@mysqli_query($this->link, "SET NAMES '" . ($charset == 'utf8' ? 'utf8mb4' : $charset) . "'"); |
|
1096
|
|
|
|
|
1097
|
6 |
|
return $return; |
|
1098
|
|
|
} |
|
1099
|
|
|
|
|
1100
|
|
|
/** |
|
1101
|
|
|
* __wakeup |
|
1102
|
|
|
* |
|
1103
|
|
|
* @return void |
|
1104
|
|
|
*/ |
|
1105
|
1 |
|
public function __wakeup() |
|
1106
|
|
|
{ |
|
1107
|
1 |
|
$this->reconnect(); |
|
1108
|
1 |
|
} |
|
1109
|
|
|
|
|
1110
|
|
|
/** |
|
1111
|
|
|
* get the names of all tables |
|
1112
|
|
|
* |
|
1113
|
|
|
* @return array |
|
1114
|
|
|
*/ |
|
1115
|
1 |
|
public function getAllTables() |
|
1116
|
|
|
{ |
|
1117
|
1 |
|
$query = 'SHOW TABLES'; |
|
1118
|
1 |
|
$result = $this->query($query); |
|
1119
|
|
|
|
|
1120
|
1 |
|
return $result->fetchAllArray(); |
|
1121
|
|
|
} |
|
1122
|
|
|
|
|
1123
|
|
|
/** |
|
1124
|
|
|
* run a sql-multi-query |
|
1125
|
|
|
* |
|
1126
|
|
|
* @param string $sql |
|
1127
|
|
|
* |
|
1128
|
|
|
* @return bool|Result[] "Result"-Array by "<b>SELECT</b>"-queries<br /> |
|
1129
|
|
|
* "boolean" by only "<b>INSERT</b>"-queries<br /> |
|
1130
|
|
|
* "boolean" by only (affected_rows) by "<b>UPDATE / DELETE</b>"-queries<br /> |
|
1131
|
|
|
* "boolean" by only by e.g. "DROP"-queries<br /> |
|
1132
|
|
|
* |
|
1133
|
|
|
* @throws \Exception |
|
1134
|
|
|
*/ |
|
1135
|
1 |
|
public function multi_query($sql) |
|
1136
|
|
|
{ |
|
1137
|
1 |
|
if (!$this->isReady()) { |
|
1138
|
|
|
return false; |
|
1139
|
|
|
} |
|
1140
|
|
|
|
|
1141
|
1 |
|
if (!$sql || $sql === '') { |
|
1142
|
1 |
|
$this->_displayError('Can\'t execute an empty Query', false); |
|
1143
|
|
|
|
|
1144
|
1 |
|
return false; |
|
1145
|
|
|
} |
|
1146
|
|
|
|
|
1147
|
1 |
|
$query_start_time = microtime(true); |
|
1148
|
1 |
|
$resultTmp = mysqli_multi_query($this->link, $sql); |
|
1149
|
1 |
|
$query_duration = microtime(true) - $query_start_time; |
|
1150
|
|
|
|
|
1151
|
1 |
|
$this->_logQuery($sql, $query_duration, 0); |
|
1152
|
|
|
|
|
1153
|
1 |
|
$returnTheResult = false; |
|
1154
|
1 |
|
$result = array(); |
|
1155
|
1 |
|
if ($resultTmp) { |
|
1156
|
|
|
do { |
|
1157
|
1 |
|
$resultTmpInner = mysqli_store_result($this->link); |
|
1158
|
|
|
|
|
1159
|
|
|
if ( |
|
1160
|
1 |
|
null !== $resultTmpInner |
|
1161
|
1 |
|
&& |
|
1162
|
|
|
$resultTmpInner instanceof \mysqli_result |
|
1163
|
1 |
|
) { |
|
1164
|
1 |
|
$returnTheResult = true; |
|
1165
|
1 |
|
$result[] = new Result($sql, $resultTmpInner); |
|
1166
|
1 |
|
} else { |
|
1167
|
1 |
|
$errorMsg = mysqli_error($this->link); |
|
1168
|
|
|
|
|
1169
|
|
|
// is the query successful |
|
1170
|
1 |
|
if ($resultTmpInner === true || !$errorMsg) { |
|
1171
|
1 |
|
$result[] = true; |
|
1172
|
1 |
|
} else { |
|
1173
|
|
|
$result[] = false; |
|
1174
|
|
|
|
|
1175
|
|
|
$this->queryErrorHandling($errorMsg, $sql); |
|
1176
|
|
|
} |
|
1177
|
|
|
} |
|
1178
|
1 |
|
} while (mysqli_more_results($this->link) === true ? mysqli_next_result($this->link) : false); |
|
1179
|
|
|
|
|
1180
|
1 |
|
} else { |
|
1181
|
|
|
|
|
1182
|
|
|
$errorMsg = mysqli_error($this->link); |
|
1183
|
|
|
|
|
1184
|
|
|
if ($this->checkForDev() === true) { |
|
1185
|
|
|
echo "Info: maybe you have to increase your 'max_allowed_packet = 30M' in the config: 'my.conf' \n<br />"; |
|
1186
|
|
|
echo 'Error:' . $errorMsg; |
|
1187
|
|
|
} |
|
1188
|
|
|
|
|
1189
|
|
|
$this->mailToAdmin('SQL-Error in mysqli_multi_query', $errorMsg . ":\n<br />" . $sql); |
|
1190
|
|
|
} |
|
1191
|
|
|
|
|
1192
|
|
|
// return the result only if there was a "SELECT"-query |
|
1193
|
1 |
|
if ($returnTheResult === true) { |
|
1194
|
1 |
|
return $result; |
|
1195
|
|
|
} |
|
1196
|
|
|
|
|
1197
|
1 |
|
if (!in_array(false, $result, true)) { |
|
1198
|
1 |
|
return true; |
|
1199
|
|
|
} else { |
|
1200
|
|
|
return false; |
|
1201
|
|
|
} |
|
1202
|
|
|
} |
|
1203
|
|
|
|
|
1204
|
|
|
/** |
|
1205
|
|
|
* alias for "beginTransaction()" |
|
1206
|
|
|
*/ |
|
1207
|
1 |
|
public function startTransaction() |
|
1208
|
|
|
{ |
|
1209
|
1 |
|
$this->beginTransaction(); |
|
1210
|
1 |
|
} |
|
1211
|
|
|
|
|
1212
|
|
|
/** |
|
1213
|
|
|
* Begins a transaction, by turning off auto commit |
|
1214
|
|
|
* |
|
1215
|
|
|
* @return boolean this will return true or false indicating success of transaction |
|
1216
|
|
|
*/ |
|
1217
|
4 |
|
public function beginTransaction() |
|
1218
|
|
|
{ |
|
1219
|
4 |
|
$this->clearErrors(); |
|
1220
|
|
|
|
|
1221
|
4 |
|
if ($this->inTransaction() === true) { |
|
1222
|
1 |
|
$this->_displayError('Error mysql server already in transaction!', true); |
|
1223
|
|
|
|
|
1224
|
|
|
return false; |
|
1225
|
4 |
|
} elseif (mysqli_connect_errno()) { |
|
1226
|
|
|
$this->_displayError('Error connecting to mysql server: ' . mysqli_connect_error(), true); |
|
1227
|
|
|
|
|
1228
|
|
|
return false; |
|
1229
|
|
|
} else { |
|
1230
|
4 |
|
$this->_in_transaction = true; |
|
1231
|
4 |
|
mysqli_autocommit($this->link, false); |
|
1232
|
|
|
|
|
1233
|
4 |
|
return true; |
|
1234
|
|
|
|
|
1235
|
|
|
} |
|
1236
|
|
|
} |
|
1237
|
|
|
|
|
1238
|
|
|
/** |
|
1239
|
|
|
* clear errors |
|
1240
|
|
|
* |
|
1241
|
|
|
* @return bool |
|
1242
|
|
|
*/ |
|
1243
|
4 |
|
public function clearErrors() |
|
1244
|
|
|
{ |
|
1245
|
4 |
|
$this->_errors = array(); |
|
1246
|
|
|
|
|
1247
|
4 |
|
return true; |
|
1248
|
|
|
} |
|
1249
|
|
|
|
|
1250
|
|
|
/** |
|
1251
|
|
|
* Check if in transaction |
|
1252
|
|
|
* |
|
1253
|
|
|
* @return boolean |
|
1254
|
|
|
*/ |
|
1255
|
4 |
|
public function inTransaction() |
|
1256
|
|
|
{ |
|
1257
|
4 |
|
return $this->_in_transaction; |
|
1258
|
|
|
} |
|
1259
|
|
|
|
|
1260
|
|
|
/** |
|
1261
|
|
|
* Ends a transaction and commits if no errors, then ends autocommit |
|
1262
|
|
|
* |
|
1263
|
|
|
* @return boolean this will return true or false indicating success of transactions |
|
1264
|
|
|
*/ |
|
1265
|
2 |
|
public function endTransaction() |
|
1266
|
|
|
{ |
|
1267
|
|
|
|
|
1268
|
2 |
|
if (!$this->errors()) { |
|
1269
|
1 |
|
mysqli_commit($this->link); |
|
1270
|
1 |
|
$return = true; |
|
1271
|
1 |
|
} else { |
|
1272
|
1 |
|
$this->rollback(); |
|
1273
|
1 |
|
$return = false; |
|
1274
|
|
|
} |
|
1275
|
|
|
|
|
1276
|
2 |
|
mysqli_autocommit($this->link, true); |
|
1277
|
2 |
|
$this->_in_transaction = false; |
|
1278
|
|
|
|
|
1279
|
2 |
|
return $return; |
|
1280
|
|
|
} |
|
1281
|
|
|
|
|
1282
|
|
|
/** |
|
1283
|
|
|
* get all errors |
|
1284
|
|
|
* |
|
1285
|
|
|
* @return array false === on errors |
|
1286
|
|
|
*/ |
|
1287
|
2 |
|
public function errors() |
|
1288
|
|
|
{ |
|
1289
|
2 |
|
return count($this->_errors) > 0 ? $this->_errors : false; |
|
1290
|
|
|
} |
|
1291
|
|
|
|
|
1292
|
|
|
/** |
|
1293
|
|
|
* rollback in a transaction |
|
1294
|
|
|
*/ |
|
1295
|
2 |
|
public function rollback() |
|
1296
|
|
|
{ |
|
1297
|
|
|
// init |
|
1298
|
2 |
|
$return = false; |
|
1299
|
|
|
|
|
1300
|
2 |
|
if ($this->_in_transaction === true) { |
|
1301
|
2 |
|
$return = mysqli_rollback($this->link); |
|
1302
|
2 |
|
mysqli_autocommit($this->link, true); |
|
1303
|
2 |
|
$this->_in_transaction = false; |
|
1304
|
2 |
|
} |
|
1305
|
|
|
|
|
1306
|
2 |
|
return $return; |
|
1307
|
|
|
} |
|
1308
|
|
|
|
|
1309
|
|
|
/** |
|
1310
|
|
|
* insert |
|
1311
|
|
|
* |
|
1312
|
|
|
* @param string $table |
|
1313
|
|
|
* @param array $data |
|
1314
|
|
|
* |
|
1315
|
|
|
* @return false|int false on error |
|
1316
|
|
|
*/ |
|
1317
|
14 |
|
public function insert($table, $data = array()) |
|
1318
|
|
|
{ |
|
1319
|
14 |
|
$table = trim($table); |
|
1320
|
|
|
|
|
1321
|
14 |
|
if ($table === '') { |
|
1322
|
2 |
|
$this->_displayError('invalid-table-name'); |
|
1323
|
|
|
|
|
1324
|
1 |
|
return false; |
|
1325
|
|
|
} |
|
1326
|
|
|
|
|
1327
|
13 |
|
if (count($data) == 0) { |
|
1328
|
3 |
|
$this->_displayError('empty-data-for-INSERT'); |
|
1329
|
|
|
|
|
1330
|
2 |
|
return false; |
|
1331
|
|
|
} |
|
1332
|
|
|
|
|
1333
|
11 |
|
$SET = $this->_parseArrayPair($data); |
|
1334
|
|
|
|
|
1335
|
11 |
|
$sql = 'INSERT INTO ' . $this->quote_string($table) . " SET $SET;"; |
|
1336
|
|
|
|
|
1337
|
11 |
|
return $this->query($sql); |
|
1338
|
|
|
} |
|
1339
|
|
|
|
|
1340
|
|
|
/** |
|
1341
|
|
|
* Parses arrays with value pairs and generates SQL to use in queries |
|
1342
|
|
|
* |
|
1343
|
|
|
* @param array $arrayPair |
|
1344
|
|
|
* @param string $glue this is the separator |
|
1345
|
|
|
* |
|
1346
|
|
|
* @return string |
|
1347
|
|
|
*/ |
|
1348
|
12 |
|
private function _parseArrayPair($arrayPair, $glue = ',') |
|
1349
|
|
|
{ |
|
1350
|
|
|
// init |
|
1351
|
12 |
|
$sql = ''; |
|
1352
|
12 |
|
$pairs = array(); |
|
1353
|
|
|
|
|
1354
|
12 |
|
if (!empty($arrayPair)) { |
|
1355
|
|
|
|
|
1356
|
12 |
|
foreach ($arrayPair as $_key => $_value) { |
|
1357
|
12 |
|
$_connector = '='; |
|
1358
|
12 |
|
$_key_upper = strtoupper($_key); |
|
1359
|
|
|
|
|
1360
|
12 |
|
if (strpos($_key_upper, ' NOT') !== false) { |
|
1361
|
2 |
|
$_connector = 'NOT'; |
|
1362
|
2 |
|
} |
|
1363
|
|
|
|
|
1364
|
12 |
|
if (strpos($_key_upper, ' IS') !== false) { |
|
1365
|
1 |
|
$_connector = 'IS'; |
|
1366
|
1 |
|
} |
|
1367
|
|
|
|
|
1368
|
12 |
|
if (strpos($_key_upper, ' IS NOT') !== false) { |
|
1369
|
1 |
|
$_connector = 'IS NOT'; |
|
1370
|
1 |
|
} |
|
1371
|
|
|
|
|
1372
|
12 |
|
if (strpos($_key_upper, ' IN') !== false) { |
|
1373
|
1 |
|
$_connector = 'IN'; |
|
1374
|
1 |
|
} |
|
1375
|
|
|
|
|
1376
|
12 |
|
if (strpos($_key_upper, ' NOT IN') !== false) { |
|
1377
|
1 |
|
$_connector = 'NOT IN'; |
|
1378
|
1 |
|
} |
|
1379
|
|
|
|
|
1380
|
12 |
|
if (strpos($_key_upper, ' BETWEEN') !== false) { |
|
1381
|
1 |
|
$_connector = 'BETWEEN'; |
|
1382
|
1 |
|
} |
|
1383
|
|
|
|
|
1384
|
12 |
|
if (strpos($_key_upper, ' NOT BETWEEN') !== false) { |
|
1385
|
1 |
|
$_connector = 'NOT BETWEEN'; |
|
1386
|
1 |
|
} |
|
1387
|
|
|
|
|
1388
|
12 |
|
if (strpos($_key_upper, ' LIKE') !== false) { |
|
1389
|
2 |
|
$_connector = 'LIKE'; |
|
1390
|
2 |
|
} |
|
1391
|
|
|
|
|
1392
|
12 |
|
if (strpos($_key_upper, ' NOT LIKE') !== false) { |
|
1393
|
2 |
|
$_connector = 'NOT LIKE'; |
|
1394
|
2 |
|
} |
|
1395
|
|
|
|
|
1396
|
12 |
View Code Duplication |
if (strpos($_key_upper, ' >') !== false && strpos($_key_upper, ' =') === false) { |
|
1397
|
2 |
|
$_connector = '>'; |
|
1398
|
2 |
|
} |
|
1399
|
|
|
|
|
1400
|
12 |
View Code Duplication |
if (strpos($_key_upper, ' <') !== false && strpos($_key_upper, ' =') === false) { |
|
1401
|
1 |
|
$_connector = '<'; |
|
1402
|
1 |
|
} |
|
1403
|
|
|
|
|
1404
|
12 |
|
if (strpos($_key_upper, ' >=') !== false) { |
|
1405
|
2 |
|
$_connector = '>='; |
|
1406
|
2 |
|
} |
|
1407
|
|
|
|
|
1408
|
12 |
|
if (strpos($_key_upper, ' <=') !== false) { |
|
1409
|
1 |
|
$_connector = '<='; |
|
1410
|
1 |
|
} |
|
1411
|
|
|
|
|
1412
|
12 |
|
if (strpos($_key_upper, ' <>') !== false) { |
|
1413
|
1 |
|
$_connector = '<>'; |
|
1414
|
1 |
|
} |
|
1415
|
|
|
|
|
1416
|
|
|
if ( |
|
1417
|
12 |
|
is_array($_value) |
|
1418
|
12 |
|
&& |
|
1419
|
|
|
( |
|
1420
|
|
|
$_connector == 'NOT IN' |
|
1421
|
1 |
|
|| |
|
1422
|
|
|
$_connector == 'IN' |
|
1423
|
1 |
|
) |
|
1424
|
12 |
|
) { |
|
1425
|
1 |
|
foreach ($_value as $oldKey => $oldValue) { |
|
1426
|
|
|
/** @noinspection AlterInForeachInspection */ |
|
1427
|
1 |
|
$_value[$oldKey] = $this->secure($oldValue); |
|
1428
|
1 |
|
} |
|
1429
|
1 |
|
$_value = '(' . implode(',', $_value) . ')'; |
|
1430
|
1 |
|
} elseif ( |
|
1431
|
12 |
|
is_array($_value) |
|
1432
|
12 |
|
&& |
|
1433
|
|
|
( |
|
1434
|
|
|
$_connector == 'NOT BETWEEN' |
|
1435
|
1 |
|
|| |
|
1436
|
|
|
$_connector == 'BETWEEN' |
|
1437
|
|
|
) |
|
1438
|
12 |
|
) { |
|
1439
|
1 |
|
foreach ($_value as $oldKey => $oldValue) { |
|
1440
|
|
|
/** @noinspection AlterInForeachInspection */ |
|
1441
|
1 |
|
$_value[$oldKey] = $this->secure($oldValue); |
|
1442
|
1 |
|
} |
|
1443
|
1 |
|
$_value = '(' . implode(' AND ', $_value) . ')'; |
|
1444
|
1 |
|
} else { |
|
1445
|
12 |
|
$_value = $this->secure($_value); |
|
1446
|
|
|
} |
|
1447
|
|
|
|
|
1448
|
12 |
|
$quoteString = $this->quote_string(trim(str_ireplace($_connector, '', $_key))); |
|
1449
|
12 |
|
$pairs[] = ' ' . $quoteString . ' ' . $_connector . ' ' . $_value . " \n"; |
|
1450
|
12 |
|
} |
|
1451
|
|
|
|
|
1452
|
12 |
|
$sql = implode($glue, $pairs); |
|
1453
|
12 |
|
} |
|
1454
|
|
|
|
|
1455
|
12 |
|
return $sql; |
|
1456
|
|
|
} |
|
1457
|
|
|
|
|
1458
|
|
|
/** |
|
1459
|
|
|
* Quote && Escape e.g. a table name string |
|
1460
|
|
|
* |
|
1461
|
|
|
* @param string $str |
|
1462
|
|
|
* |
|
1463
|
|
|
* @return string |
|
1464
|
|
|
*/ |
|
1465
|
14 |
|
public function quote_string($str) |
|
1466
|
|
|
{ |
|
1467
|
14 |
|
return '`' . $this->escape($str, false, false) . '`'; |
|
1468
|
|
|
} |
|
1469
|
|
|
|
|
1470
|
|
|
/** |
|
1471
|
|
|
* get errors |
|
1472
|
|
|
* |
|
1473
|
|
|
* @return array |
|
1474
|
|
|
*/ |
|
1475
|
1 |
|
public function getErrors() |
|
1476
|
|
|
{ |
|
1477
|
1 |
|
return $this->_errors; |
|
1478
|
|
|
} |
|
1479
|
|
|
|
|
1480
|
|
|
/** |
|
1481
|
|
|
* replace |
|
1482
|
|
|
* |
|
1483
|
|
|
* @param string $table |
|
1484
|
|
|
* @param array $data |
|
1485
|
|
|
* |
|
1486
|
|
|
* @return false|int false on error |
|
1487
|
|
|
*/ |
|
1488
|
1 |
|
public function replace($table, $data = array()) |
|
1489
|
|
|
{ |
|
1490
|
|
|
|
|
1491
|
1 |
|
$table = trim($table); |
|
1492
|
|
|
|
|
1493
|
1 |
|
if ($table === '') { |
|
1494
|
1 |
|
$this->_displayError('invalid table name'); |
|
1495
|
|
|
|
|
1496
|
1 |
|
return false; |
|
1497
|
|
|
} |
|
1498
|
|
|
|
|
1499
|
1 |
|
if (count($data) == 0) { |
|
1500
|
1 |
|
$this->_displayError('empty data for REPLACE'); |
|
1501
|
|
|
|
|
1502
|
1 |
|
return false; |
|
1503
|
|
|
} |
|
1504
|
|
|
|
|
1505
|
|
|
// extracting column names |
|
1506
|
1 |
|
$columns = array_keys($data); |
|
1507
|
1 |
|
foreach ($columns as $k => $_key) { |
|
1508
|
|
|
/** @noinspection AlterInForeachInspection */ |
|
1509
|
1 |
|
$columns[$k] = $this->quote_string($_key); |
|
1510
|
1 |
|
} |
|
1511
|
|
|
|
|
1512
|
1 |
|
$columns = implode(',', $columns); |
|
1513
|
|
|
|
|
1514
|
|
|
// extracting values |
|
1515
|
1 |
|
foreach ($data as $k => $_value) { |
|
1516
|
|
|
/** @noinspection AlterInForeachInspection */ |
|
1517
|
1 |
|
$data[$k] = $this->secure($_value); |
|
1518
|
1 |
|
} |
|
1519
|
1 |
|
$values = implode(',', $data); |
|
1520
|
|
|
|
|
1521
|
1 |
|
$sql = 'REPLACE INTO ' . $this->quote_string($table) . " ($columns) VALUES ($values);"; |
|
1522
|
|
|
|
|
1523
|
1 |
|
return $this->query($sql); |
|
1524
|
|
|
} |
|
1525
|
|
|
|
|
1526
|
|
|
/** |
|
1527
|
|
|
* update |
|
1528
|
|
|
* |
|
1529
|
|
|
* @param string $table |
|
1530
|
|
|
* @param array $data |
|
1531
|
|
|
* @param array|string $where |
|
1532
|
|
|
* |
|
1533
|
|
|
* @return false|int false on error |
|
1534
|
|
|
*/ |
|
1535
|
5 |
|
public function update($table, $data = array(), $where = '1=1') |
|
1536
|
|
|
{ |
|
1537
|
5 |
|
$table = trim($table); |
|
1538
|
|
|
|
|
1539
|
5 |
|
if ($table === '') { |
|
1540
|
1 |
|
$this->_displayError('invalid table name'); |
|
1541
|
|
|
|
|
1542
|
1 |
|
return false; |
|
1543
|
|
|
} |
|
1544
|
|
|
|
|
1545
|
5 |
|
if (count($data) == 0) { |
|
1546
|
1 |
|
$this->_displayError('empty data for UPDATE'); |
|
1547
|
|
|
|
|
1548
|
1 |
|
return false; |
|
1549
|
|
|
} |
|
1550
|
|
|
|
|
1551
|
5 |
|
$SET = $this->_parseArrayPair($data); |
|
1552
|
|
|
|
|
1553
|
5 |
|
if (is_string($where)) { |
|
1554
|
1 |
|
$WHERE = $this->escape($where, false, false); |
|
1555
|
5 |
|
} elseif (is_array($where)) { |
|
1556
|
4 |
|
$WHERE = $this->_parseArrayPair($where, 'AND'); |
|
1557
|
4 |
|
} else { |
|
1558
|
1 |
|
$WHERE = ''; |
|
1559
|
|
|
} |
|
1560
|
|
|
|
|
1561
|
5 |
|
$sql = 'UPDATE ' . $this->quote_string($table) . " SET $SET WHERE ($WHERE);"; |
|
1562
|
|
|
|
|
1563
|
5 |
|
return $this->query($sql); |
|
1564
|
|
|
} |
|
1565
|
|
|
|
|
1566
|
|
|
/** |
|
1567
|
|
|
* delete |
|
1568
|
|
|
* |
|
1569
|
|
|
* @param string $table |
|
1570
|
|
|
* @param string|array $where |
|
1571
|
|
|
* |
|
1572
|
|
|
* @return false|int false on error |
|
1573
|
|
|
*/ |
|
1574
|
1 |
View Code Duplication |
public function delete($table, $where) |
|
1575
|
|
|
{ |
|
1576
|
|
|
|
|
1577
|
1 |
|
$table = trim($table); |
|
1578
|
|
|
|
|
1579
|
1 |
|
if ($table === '') { |
|
1580
|
1 |
|
$this->_displayError('invalid table name'); |
|
1581
|
|
|
|
|
1582
|
1 |
|
return false; |
|
1583
|
|
|
} |
|
1584
|
|
|
|
|
1585
|
1 |
|
if (is_string($where)) { |
|
1586
|
1 |
|
$WHERE = $this->escape($where, false, false); |
|
1587
|
1 |
|
} elseif (is_array($where)) { |
|
1588
|
1 |
|
$WHERE = $this->_parseArrayPair($where, 'AND'); |
|
1589
|
1 |
|
} else { |
|
1590
|
1 |
|
$WHERE = ''; |
|
1591
|
|
|
} |
|
1592
|
|
|
|
|
1593
|
1 |
|
$sql = 'DELETE FROM ' . $this->quote_string($table) . " WHERE ($WHERE);"; |
|
1594
|
|
|
|
|
1595
|
1 |
|
return $this->query($sql); |
|
1596
|
|
|
} |
|
1597
|
|
|
|
|
1598
|
|
|
/** |
|
1599
|
|
|
* select |
|
1600
|
|
|
* |
|
1601
|
|
|
* @param string $table |
|
1602
|
|
|
* @param string|array $where |
|
1603
|
|
|
* |
|
1604
|
|
|
* @return false|Result false on error |
|
1605
|
|
|
*/ |
|
1606
|
13 |
View Code Duplication |
public function select($table, $where = '1=1') |
|
1607
|
|
|
{ |
|
1608
|
|
|
|
|
1609
|
13 |
|
if ($table === '') { |
|
1610
|
1 |
|
$this->_displayError('invalid table name'); |
|
1611
|
|
|
|
|
1612
|
1 |
|
return false; |
|
1613
|
|
|
} |
|
1614
|
|
|
|
|
1615
|
13 |
|
if (is_string($where)) { |
|
1616
|
3 |
|
$WHERE = $this->escape($where, false, false); |
|
1617
|
13 |
|
} elseif (is_array($where)) { |
|
1618
|
11 |
|
$WHERE = $this->_parseArrayPair($where, 'AND'); |
|
1619
|
11 |
|
} else { |
|
1620
|
1 |
|
$WHERE = ''; |
|
1621
|
|
|
} |
|
1622
|
|
|
|
|
1623
|
13 |
|
$sql = 'SELECT * FROM ' . $this->quote_string($table) . " WHERE ($WHERE);"; |
|
1624
|
|
|
|
|
1625
|
13 |
|
return $this->query($sql); |
|
1626
|
|
|
} |
|
1627
|
|
|
|
|
1628
|
|
|
/** |
|
1629
|
|
|
* get the last error |
|
1630
|
|
|
* |
|
1631
|
|
|
* @return string false on error |
|
1632
|
|
|
*/ |
|
1633
|
1 |
|
public function lastError() |
|
1634
|
|
|
{ |
|
1635
|
1 |
|
return count($this->_errors) > 0 ? end($this->_errors) : false; |
|
1636
|
|
|
} |
|
1637
|
|
|
|
|
1638
|
|
|
/** |
|
1639
|
|
|
* __destruct |
|
1640
|
|
|
* |
|
1641
|
|
|
*/ |
|
1642
|
1 |
|
public function __destruct() |
|
1643
|
|
|
{ |
|
1644
|
|
|
// close the connection only if we don't save PHP-SESSION's in DB |
|
1645
|
1 |
|
if ($this->session_to_db === false) { |
|
1646
|
1 |
|
$this->close(); |
|
1647
|
1 |
|
} |
|
1648
|
1 |
|
} |
|
1649
|
|
|
|
|
1650
|
|
|
/** |
|
1651
|
|
|
* close |
|
1652
|
|
|
*/ |
|
1653
|
3 |
|
public function close() |
|
1654
|
|
|
{ |
|
1655
|
3 |
|
$this->connected = false; |
|
1656
|
|
|
|
|
1657
|
3 |
|
if ($this->link) { |
|
1658
|
3 |
|
mysqli_close($this->link); |
|
1659
|
3 |
|
} |
|
1660
|
3 |
|
} |
|
1661
|
|
|
|
|
1662
|
|
|
/** |
|
1663
|
|
|
* prevent the instance from being cloned |
|
1664
|
|
|
* |
|
1665
|
|
|
* @return void |
|
1666
|
|
|
*/ |
|
1667
|
|
|
private function __clone() |
|
1668
|
|
|
{ |
|
1669
|
|
|
} |
|
1670
|
|
|
|
|
1671
|
|
|
} |
|
1672
|
|
|
|
voku /
simple-mysqli
