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@@ -0,0 +1,45 @@

+<?php

+

+namespace Psr\Http\Message;

+

+interface StreamFactoryInterface

+{

+    /**

+     * Create a new stream from a string.

+     *

+     * The stream SHOULD be created with a temporary resource.

+     *

+     * @param string $content String content with which to populate the stream.

+     *

+     * @return StreamInterface

+     */

+    public function createStream(string $content = ''): StreamInterface;

+

+    /**

+     * Create a stream from an existing file.

+     *

+     * The file MUST be opened using the given mode, which may be any mode

+     * supported by the `fopen` function.

+     *

+     * The `$filename` MAY be any string supported by `fopen()`.

+     *

+     * @param string $filename Filename or stream URI to use as basis of stream.

+     * @param string $mode Mode with which to open the underlying filename/stream.

+     *

+     * @return StreamInterface

+     * @throws \RuntimeException If the file cannot be opened.

+     * @throws \InvalidArgumentException If the mode is invalid.

+     */

+    public function createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface;

+

+    /**

+     * Create a new stream from an existing resource.

+     *

+     * The stream MUST be readable and may be writable.

+     *

+     * @param resource $resource PHP resource to use as basis of stream.

+     *

+     * @return StreamInterface

+     */

+    public function createStreamFromResource($resource): StreamInterface;

+}