Файловый менеджер

Файловый менеджер - Редактировать - /home/pimjdymy/public_html/safrandsi/vendor/spomky-labs/cbor-php/src/StringStream.php

Назад
<?php declare(strict_types=1); namespace CBOR; use InvalidArgumentException; use RuntimeException; use function strlen; final class StringStream implements Stream { /** * @var resource */ private $resource; public function __construct(string $data) { $resource = fopen('php://memory', 'rb+'); if ($resource === false) { throw new RuntimeException('Unable to open the memory'); } $result = fwrite($resource, $data); if ($result === false) { throw new RuntimeException('Unable to write the memory'); } $result = rewind($resource); if ($result === false) { throw new RuntimeException('Unable to rewind the memory'); } $this->resource = $resource; } public static function create(string $data): self { return new self($data); } public function read(int $length): string { if ($length === 0) { return ''; } $alreadyRead = 0; $data = ''; while ($alreadyRead < $length) { $left = $length - $alreadyRead; $sizeToRead = $left < 1024 && $left > 0 ? $left : 1024; $newData = fread($this->resource, $sizeToRead); $alreadyRead += $sizeToRead; if ($newData === false) { throw new RuntimeException('Unable to read the memory'); } if (strlen($newData) < $sizeToRead) { throw new InvalidArgumentException(sprintf( 'Out of range. Expected: %d, read: %d.', $length, strlen($data) )); } $data .= $newData; } if (strlen($data) !== $length) { throw new InvalidArgumentException(sprintf( 'Out of range. Expected: %d, read: %d.', $length, strlen($data) )); } return $data; } }

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