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Edit File: StreamTrait.php

<?php

declare(strict_types=1);

namespace Nyholm\Psr7;

use Psr\Http\Message\StreamInterface;
use Symfony\Component\Debug\ErrorHandler as SymfonyLegacyErrorHandler;
use Symfony\Component\ErrorHandler\ErrorHandler as SymfonyErrorHandler;

if (\PHP_VERSION_ID >= 70400 || (new \ReflectionMethod(StreamInterface::class, '__toString'))->hasReturnType()) {
    /**
     * @internal
     */
    trait StreamTrait
    {
        public function __toString(): string
        {
            if ($this->isSeekable()) {
                $this->seek(0);
            }

return $this->getContents();
        }
    }
} else {
    /**
     * @internal
     */
    trait StreamTrait
    {
        /**
         * @return string
         */
        public function __toString()
        {
            try {
                if ($this->isSeekable()) {
                    $this->seek(0);
                }

return $this->getContents();
            } catch (\Throwable $e) {
                if (\is_array($errorHandler = \set_error_handler('var_dump'))) {
                    $errorHandler = $errorHandler[0] ?? null;
                }
                \restore_error_handler();

if ($e instanceof \Error || $errorHandler instanceof SymfonyErrorHandler || $errorHandler instanceof SymfonyLegacyErrorHandler) {
                    return \trigger_error((string) $e, \E_USER_ERROR);
                }

return '';
            }
        }
    }
}

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