51 lines
1.3 KiB
PHP
51 lines
1.3 KiB
PHP
<?php
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namespace App\Alias;
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use PDO;
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use PDOException;
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class Connection
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{
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public function __construct(
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protected string $host,
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protected string $database,
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protected string $username,
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protected string $password,
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protected ?int $port = null,
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protected int $retries = 5
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) {}
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protected PDO $connection;
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public function connect(): PDO
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{
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if (!isset($this->connection)) {
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$r = 0;
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$exception = null;
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while ($r < $this->retries) {
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try {
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$dsn = $this->getDsn();
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$this->connection = new PDO($dsn, $this->username, $this->password);
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return $this->connection;
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} catch (PDOException $e) {
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if ($exception !== null) {
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$e = new PDOException($e->getMessage(), $e->getCode(), $exception);
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}
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$exception = $e;
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usleep(500);
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}
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$r ++;
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}
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throw $exception;
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}
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return $this->connection;
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}
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protected function getDsn(): string
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{
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$dsn = "mysql:host={$this->host};dbname={$this->database}";
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if (isset($this->port)) {
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$dsn .= ";port={$this->port}";
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}
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return $dsn;
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}
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}
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