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File Content: Connector.php

<?php

namespace Illuminate\Database\Connectors;

use Doctrine\DBAL\Driver\PDOConnection;
use Exception;
use Illuminate\Database\DetectsLostConnections;
use PDO;
use Throwable;

class Connector
{
    use DetectsLostConnections;

/**
     * The default PDO connection options.
     *
     * @var array
     */
    protected $options = [
        PDO::ATTR_CASE => PDO::CASE_NATURAL,
        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
        PDO::ATTR_STRINGIFY_FETCHES => false,
        PDO::ATTR_EMULATE_PREPARES => false,
    ];

/**
     * Create a new PDO connection.
     *
     * @param  string  $dsn
     * @param  array  $config
     * @param  array  $options
     * @return \PDO
     *
     * @throws \Exception
     */
    public function createConnection($dsn, array $config, array $options)
    {
        [$username, $password] = [
            $config['username'] ?? null, $config['password'] ?? null,
        ];

try {
            return $this->createPdoConnection(
                $dsn, $username, $password, $options
            );
        } catch (Exception $e) {
            return $this->tryAgainIfCausedByLostConnection(
                $e, $dsn, $username, $password, $options
            );
        }
    }

/**
     * Create a new PDO connection instance.
     *
     * @param  string  $dsn
     * @param  string  $username
     * @param  string  $password
     * @param  array  $options
     * @return \PDO
     */
    protected function createPdoConnection($dsn, $username, $password, $options)
    {
        if (class_exists(PDOConnection::class) && ! $this->isPersistentConnection($options)) {
            return new PDOConnection($dsn, $username, $password, $options);
        }

return new PDO($dsn, $username, $password, $options);
    }

/**
     * Determine if the connection is persistent.
     *
     * @param  array  $options
     * @return bool
     */
    protected function isPersistentConnection($options)
    {
        return isset($options[PDO::ATTR_PERSISTENT]) &&
               $options[PDO::ATTR_PERSISTENT];
    }

/**
     * Handle an exception that occurred during connect execution.
     *
     * @param  \Throwable  $e
     * @param  string  $dsn
     * @param  string  $username
     * @param  string  $password
     * @param  array  $options
     * @return \PDO
     *
     * @throws \Exception
     */
    protected function tryAgainIfCausedByLostConnection(Throwable $e, $dsn, $username, $password, $options)
    {
        if ($this->causedByLostConnection($e)) {
            return $this->createPdoConnection($dsn, $username, $password, $options);
        }

throw $e;
    }

/**
     * Get the PDO options based on the configuration.
     *
     * @param  array  $config
     * @return array
     */
    public function getOptions(array $config)
    {
        $options = $config['options'] ?? [];

return array_diff_key($this->options, $options) + $options;
    }

/**
     * Get the default PDO connection options.
     *
     * @return array
     */
    public function getDefaultOptions()
    {
        return $this->options;
    }

/**
     * Set the default PDO connection options.
     *
     * @param  array  $options
     * @return void
     */
    public function setDefaultOptions(array $options)
    {
        $this->options = $options;
    }
}

Name	Size	Permission
ConnectionFactory.php	8082 bytes	0775
Connector.php	3429 bytes	0775
ConnectorInterface.php	240 bytes	0775
MySqlConnector.php	6029 bytes	0775
PostgresConnector.php	6114 bytes	0775
SQLiteConnector.php	1329 bytes	0775
SqlServerConnector.php	5801 bytes	0775

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