/home/kueuepay/www/vendor/vlucas/phpdotenv/src/Repository/Adapter/ReplacingWriter.php
<?php

declare(strict_types=1);

namespace Dotenv\Repository\Adapter;

final class ReplacingWriter implements WriterInterface
{
    /**
     * The inner writer to use.
     *
     * @var \Dotenv\Repository\Adapter\WriterInterface
     */
    private $writer;

    /**
     * The inner reader to use.
     *
     * @var \Dotenv\Repository\Adapter\ReaderInterface
     */
    private $reader;

    /**
     * The record of seen variables.
     *
     * @var array<string,string>
     */
    private $seen;

    /**
     * Create a new replacement writer instance.
     *
     * @param \Dotenv\Repository\Adapter\WriterInterface $writer
     * @param \Dotenv\Repository\Adapter\ReaderInterface $reader
     *
     * @return void
     */
    public function __construct(WriterInterface $writer, ReaderInterface $reader)
    {
        $this->writer = $writer;
        $this->reader = $reader;
        $this->seen = [];
    }

    /**
     * Write to an environment variable, if possible.
     *
     * @param non-empty-string $name
     * @param string           $value
     *
     * @return bool
     */
    public function write(string $name, string $value)
    {
        if ($this->exists($name)) {
            return $this->writer->write($name, $value);
        }

        // succeed if nothing to do
        return true;
    }

    /**
     * Delete an environment variable, if possible.
     *
     * @param non-empty-string $name
     *
     * @return bool
     */
    public function delete(string $name)
    {
        if ($this->exists($name)) {
            return $this->writer->delete($name);
        }

        // succeed if nothing to do
        return true;
    }

    /**
     * Does the given environment variable exist.
     *
     * Returns true if it currently exists, or existed at any point in the past
     * that we are aware of.
     *
     * @param non-empty-string $name
     *
     * @return bool
     */
    private function exists(string $name)
    {
        if (isset($this->seen[$name])) {
            return true;
        }

        if ($this->reader->read($name)->isDefined()) {
            $this->seen[$name] = '';

            return true;
        }

        return false;
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.