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<?php class Database { protected static $instance; protected $pdo; protected function __construct() { $this->pdo = new PDO('sqlite::memory:'); } public static function instance() { if (null === self::$instance) { self::$instance = new self; } return self::$instance; } /** * @return PDOStatement|false */ public function run($sql, $args = []) { if (!$args) { return $this->query($sql); } if ($stmt = $this->prepare($sql)) { if ($stmt->execute($args)) { return $stmt; } } return false; } public function __call($method, $args) { if (is_callable([$this->pdo, $method])) { //php 5.6+ variadic optimization (aka splat operator) return $this->pdo->$method(...$args); //PHP <= 5.5 //return call_user_func_array(array($this->pdo, $method), $args); } throw new \BadMethodCallException(sprintf('Unknown method PDO::%s called!', $method)); } } //RunTime code $db = Database::instance(); var_dump($db->run('SELECT ?', ['foo', 'bar'])); //false
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 25 column index out of range in /in/OnDdn:31 Stack trace: #0 /in/OnDdn(31): PDOStatement->execute(Array) #1 /in/OnDdn(54): Database->run('SELECT ?', Array) #2 {main} thrown in /in/OnDdn on line 31
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(false)
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/OnDdn on line 43
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/OnDdn on line 43
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/OnDdn on line 25
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/OnDdn on line 25
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/OnDdn on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/OnDdn on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/OnDdn on line 5
Process exited with code 255.
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