3v4l.org

run code in 300+ PHP versions simultaneously
<?php use PDO; interface Connection { function prepare($statement); } class PDOConnection extends PDO implements Connection { public function __construct($dsn, $user = null, $password = null, array $options = null) { print("on PDOConnection::__construct: '$dsn'\n"); parent::__construct($dsn, $user, $password, $options); $this->setAttribute(PDO::ATTR_STATEMENT_CLASS, array('Doctrine\DBAL\Driver\PDOStatement', array())); $this->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } } new PDOConnection('sqlite::memory:');
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: The use statement with non-compound name 'PDO' has no effect in /in/iWODB on line 2 Fatal error: Declaration of PDO::prepare(string $query, array $options = []): PDOStatement|false must be compatible with Connection::prepare($statement) in /in/iWODB on line 0
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Warning: The use statement with non-compound name 'PDO' has no effect in /in/iWODB on line 2 Fatal error: Declaration of PDO::prepare(string $query, array $options = []) must be compatible with Connection::prepare($statement) in /in/iWODB on line 0
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: The use statement with non-compound name 'PDO' has no effect in /in/iWODB on line 2 on PDOConnection::__construct: 'sqlite::memory:' Warning: PDO::setAttribute(): SQLSTATE[HY000]: General error: PDO::ATTR_STATEMENT_CLASS requires format array(classname, array(ctor_args)); the classname must be a string specifying an existing class in /in/iWODB on line 15
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING, expecting T_CONSTANT_ENCAPSED_STRING or '(' in /in/iWODB on line 2
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting T_CONSTANT_ENCAPSED_STRING or '(' in /in/iWODB on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_CONSTANT_ENCAPSED_STRING' or `'('' in /in/iWODB on line 2
Process exited with code 255.

preferences:
245.11 ms | 401 KiB | 354 Q