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<?php |
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/** |
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* This file is part of the Phalcon Framework. |
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* |
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* (c) Phalcon Team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE.txt |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Phalcon\Http\Message\Stream; |
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use Phalcon\Http\Message\Stream; |
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use RuntimeException; |
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use function stream_get_contents; |
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/** |
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* Describes a data stream from "php://input" |
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* |
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* Typically, an instance will wrap a PHP stream; this interface provides |
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* a wrapper around the most common operations, including serialization of |
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* the entire stream to a string. |
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* |
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* @property string $data |
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* @property bool $eof |
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*/ |
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class Input extends Stream |
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{ |
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/** |
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* @var string |
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*/ |
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private $data = ""; |
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/** |
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* @var bool |
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*/ |
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private $eof = false; |
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/** |
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* Input constructor. |
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*/ |
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public function __construct() |
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{ |
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parent::__construct("php://input", "rb"); |
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} |
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/** |
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* Reads all data from the stream into a string, from the beginning to end. |
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* |
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* This method MUST attempt to seek to the beginning of the stream before |
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* reading data and read the stream until the end is reached. |
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* |
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* Warning: This could attempt to load a large amount of data into memory. |
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* |
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* This method MUST NOT raise an exception in order to conform with PHP's |
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* string casting operations. |
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* |
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* @see http://php.net/manual/en/language.oop5.magic.php#object.tostring |
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*/ |
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public function __toString(): string |
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{ |
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if ($this->eof) { |
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return $this->data; |
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} |
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$this->getContents(); |
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return $this->data; |
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} |
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/** |
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* Returns the remaining contents in a string |
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* |
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* @param int $length |
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* |
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* @return string |
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* @throws RuntimeException if unable to read. |
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* @throws RuntimeException if error occurs while reading. |
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* |
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*/ |
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public function getContents(int $length = -1): string |
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{ |
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if ($this->eof) { |
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return $this->data; |
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} |
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$data = stream_get_contents($this->handle, $length); |
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$this->data = $data; |
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if (-1 === $length || $this->eof()) { |
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$this->eof = true; |
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} |
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return $this->data; |
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} |
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/** |
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* Returns whether or not the stream is writeable. |
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*/ |
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1 |
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public function isWritable(): bool |
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{ |
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return false; |
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} |
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/** |
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* Read data from the stream. |
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* |
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* @param int $length |
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* |
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* @return string |
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*/ |
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public function read($length): string |
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{ |
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$data = parent::read($length); |
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if (true !== $this->eof) { |
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$this->data = $data; |
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} |
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if ($this->eof()) { |
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$this->eof = true; |
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} |
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return $data; |
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} |
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} |
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niden /
cardoe
