Stream::isSeekable() - Code Metrics - Inspection of "Trying to get better scrutinizer score" - nozavroni/csvelte - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — releases/v0.2 ( 2d3c30...c1372d )

by Luke

created 2016-09-16 01:19 UTC

Stream::isSeekable() A

↳ Parent: Stream

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
cc	1
eloc	2
nc	1
nop	0
crap	1

<?php
/**
 * CSVelte: Slender, elegant CSV for PHP.
 *
 * Inspired by Python's CSV module and Frictionless Data and the W3C's CSV
 * standardization efforts, CSVelte was written in an effort to take all the
 * suck out of working with CSV.
 *
 * @version   v0.2
 * @copyright Copyright (c) 2016 Luke Visinoni <[email protected]>
 * @author    Luke Visinoni <[email protected]>
 * @license   https://github.com/deni-zen/csvelte/blob/master/LICENSE The MIT License (MIT)
 */
namespace CSVelte\IO;

use CSVelte\Traits\IsReadable;
use CSVelte\Traits\IsWritable;
use CSVelte\Traits\IsSeekable;

use CSVelte\Contract\Readable;
use CSVelte\Contract\Writable;
use CSVelte\Contract\Seekable;

use \InvalidArgumentException;
use CSVelte\Exception\NotYetImplementedException;
use CSVelte\Exception\EndOfFileException;
use CSVelte\Exception\IOException;

/**
 * CSVelte Stream.
 *
 * Represents a stream for input/output. Implements both readable and writable
 * interfaces so that it can be passed to either ``CSVelte\Reader`` or
 * ``CSVelte\Writer``.
 *
 * @package    CSVelte
 * @subpackage CSVelte\IO
 * @copyright  (c) 2016, Luke Visinoni <[email protected]>
 * @author     Luke Visinoni <[email protected]>
 * @since      v0.2
 */
class Stream implements Readable, Writable, Seekable
{
    use IsReadable, IsWritable, IsSeekable;
    /**
     * Hash of readable/writable stream open mode types.
     *
     * Mercilessly stolen from:
     * https://github.com/guzzle/streams/blob/master/src/Stream.php
     *
     * My kudos and sincere thanks go out to Michael Dowling and Graham Campbell
     * of the guzzle/streams PHP package. Thanks for the inspiration (in some cases)
     * and the not suing me for outright theft (in this case).
     *
     * @var array Hash of readable and writable stream types
     */
    protected static $readWriteHash = [
        'read' => [
            'r' => true, 'w+' => true, 'r+' => true, 'x+' => true, 'c+' => true,
            'rb' => true, 'w+b' => true, 'r+b' => true, 'x+b' => true,
            'c+b' => true, 'rt' => true, 'w+t' => true, 'r+t' => true,
            'x+t' => true, 'c+t' => true, 'a+' => true,
        ],
        'write' => [
            'w' => true, 'w+' => true, 'rw' => true, 'r+' => true, 'x+' => true,
            'c+' => true, 'wb' => true, 'w+b' => true, 'r+b' => true,
            'x+b' => true, 'c+b' => true, 'w+t' => true, 'r+t' => true,
            'x+t' => true, 'c+t' => true, 'a' => true, 'a+' => true,
        ],
    ];

    /**
     * @var resource An open stream resource
     */
    protected $stream;

    /**
     * Meta data about stream resource.
     * Just contains the return value of stream_get_meta_data.
     * @var array The return value of stream_get_meta_data
     */
    protected $meta;

    /**
     * Is stream seekable
     * @var boolean True if stream is seekable, false otherwise
     */
    protected $seekable;

    /**
     * Is stream readable
     * @var boolean True if stream is readable, false otherwise
     */
    protected $readable;

    /**
     * Is stream writable
     * @var boolean True if stream is writable, false otherwise
     */
    protected $writable;

    /**
     * Converts object/string to a usable stream
     *
     * Mercilessly stolen from:
     * https://github.com/guzzle/streams/blob/master/src/Stream.php
     *
     * My kudos and sincere thanks go out to Michael Dowling and Graham Campbell
     * of the guzzle/streams PHP package. Thanks for the inspiration (in some cases)
     * and the not suing me for outright theft (in this case).
     *
     * @param object|string The string/object to convert to a stream
     * @param array Options to pass to the newly created stream
     * @return \CSVelte\IO\Stream
     * @throws \InvalidArgumentException
     */
    public static function streamize($resource = '')
    {
        $type = gettype($resource);

        if ($type == 'string' && file_exists($resource)) {
            return new self($resource);
        }

        if ($type == 'string') {
            $stream = self::open('php://temp', 'r+');
            if ($resource !== '') {
                fwrite($stream, $resource);
                fseek($stream, 0);
            }
            return new self($stream);
        }

        if ($type == 'object' && method_exists($resource, '__toString')) {
            return self::streamize((string) $resource);
        }

        throw new InvalidArgumentException('Invalid resource type: ' . $type);
    }

    /**
     * Stream Object Constructor.
     *
     * Instantiates the stream object
     *
     * @param string|resource $stream Either a valid stream URI or an open
     *     stream resource (using fopen, fsockopen, et al.)
     * @param string file/stream open mode as passed to native php
     *     ``fopen`` function
     * @param array Stream context options array as passed to native php
     *     ``stream_context_create`` function
     * @see http://php.net/manual/en/function.fopen.php
     * @see http://php.net/manual/en/function.stream-context-create.php
     */
    public function __construct($stream, $mode = null, $context = null)
    {
        $this->setMetaData($this->stream = self::open($stream, $mode, $context));
    }

    /**
     * Stream Object Destructor.
     *
     * Closes stream connection.
     */
    public function __destruct()
    {
        $this->close();
    }

    /**
     * Open a new stream URI and return stream resource.
     *
     * Pass in either a valid stream URI or a stream resource and this will
     * return a stream resource object.
     *
     * @param string|resource $stream Either stream URI or resource object
     * @param string $mode File/stream open mode (as passed to native php
     *     ``fopen`` function)
     * @param array $context Stream context options array as passed to native
     *     php ``stream_context_create`` function
     * @return stream resource object
     * @throws CSVelte\Exception\IOException on invalid stream uri/resource
     * @throws \InvalidArgumentException if context param is not an array
     * @see http://php.net/manual/en/function.fopen.php
     * @see http://php.net/manual/en/function.stream-context-create.php
     */
    protected static function open($stream, $mode = null, $context = null)
    {
        if (is_null($mode)) $mode = 'r+b';
        if (is_string($uri = $stream)) {
            if (is_null($context)) {
                $stream = @fopen($uri, $mode);
            } else {
                if (!is_array($context)) {
                    throw new InvalidArgumentException("Invalid argument for context. Expected array, got: " . gettype($context));
                }
                $context = stream_context_create($context);
                $stream = @fopen($uri, $mode, false, $context);
            }
            if (false === $stream) {
                throw new IOException("Invalid stream URI: " . $uri, IOException::ERR_INVALID_STREAM_URI);
            }
        }
        if (!is_resource($stream) || get_resource_type($stream) != 'stream') {
            throw new IOException("Expected stream resource, got: " . gettype($stream), IOException::ERR_INVALID_STREAM_RESOURCE);
        }
        return $stream;
    }

    /**
     * Close stream resource.
     *
     * @return boolean True on success or false on failure
     */
    public function close()
    {
        if (is_resource($this->stream)) {
            return fclose($this->stream);
        }
        return false;
    }

    /**
     * Set stream meta data via stream resource.
     *
     * Pass in stream resource to set this object's stream metadata as returned
     * by the native php function ``stream_get_meta_data``
     *
     * @param resource $stream Stream resource object
     * @return $this
     * @see http://php.net/manual/en/function.stream-get-meta-data.php
     */
    protected function setMetaData($stream)
    {
        $this->meta = stream_get_meta_data($stream);
        $this->seekable = (bool) $this->meta['seekable'];
        $this->readable = isset(self::$readWriteHash['read'][$this->meta['mode']]);
        $this->writable = isset(self::$readWriteHash['write'][$this->meta['mode']]);
        return $this;
    }

    /**
     * Get stream metadata (all or certain value).
     *
     * Get either the entire stream metadata array or a single value from it by key.
     *
     * @param string $key If set, must be one of ``stream_get_meta_data`` array keys
     * @return string|array Either a single value or whole array returned by ``stream_get_meta_data``
     * @see http://php.net/manual/en/function.stream-get-meta-data.php
     */
    public function getMetaData($key = null)
    {
        if (is_null($key)) return $this->meta;
        return (array_key_exists($key, $this->meta)) ? $this->meta[$key] : null;
    }

    /**
     * Accessor for seekability.
     *
     * Returns true if possible to seek to a certain position within this stream
     *
     * @return boolean True if stream is seekable
     */
    public function isSeekable()
    {
        return $this->seekable;
    }

    /**
     * Accessor for readability.
     *
     * Returns true if possible to read from this stream
     *
     * @return boolean True if stream is readable
     */
    public function isReadable()
    {
        return $this->readable;
    }

    /**
     * Accessor for writability.
     *
     * Returns true if possible to write to this stream
     *
     * @return boolean True if stream is writable
     */
    public function isWritable()
    {
        return $this->writable;
    }

    /**
     * Accessor for internal stream resource.
     *
     * Returns the internal stream resource pointer
     *
     * @return resource The open stream resource pointer
     */
    public function getResource()
    {
        return $this->stream;
    }

    /**
     * Accessor for stream URI.
     *
     * Returns the stream URI
     *
     * @return string The URI for the stream
     */
    public function getUri()
    {
        return $this->getMetaData('uri');
    }

    /**
     * Accessor for stream name.
     *
     * Alias for ``getUri()``
     *
     * @return string The name for this stream
     */
    public function getName()
    {
        return $this->getUri();
    }

    /**
     * Read $length bytes from stream.
     *
     * Reads $length bytes (number of characters) from the stream
     *
     * @param int $length Number of bytes to read from stream
     * @return string|boolean The data read from stream or false if at end of
     *     file or some other problem.
     * @throws CSVelte\Exception\IOException
     */
    public function read($length)
    {
        $this->assertIsReadable();
        if ($this->eof()) return false;
        return fread($this->stream, $length);
    }

    /**
     * Read the entire contents of file/stream.
     *
     * Read and return the entire contents of the stream.
     *
     * @param void
     * @return string The entire file contents
     * @throws CSVelte\Exception\IOException
     */
    public function getContents()
    {
        $buffer = '';
        while ($chunk = $this->read(1024)) {
            $buffer .= $chunk;
        }
        return $buffer;
    }

    /**
     * Is file pointer at the end of the stream?
     *
     * Returns true if internal pointer has reached the end of the stream.
     *
     * @return boolean True if end of stream has been reached
     */
    public function eof()
    {
        return feof($this->stream);
    }

    /**
     * Rewind pointer to beginning of stream.
     *
     * Rewinds the stream, meaning it returns the pointer to the beginning of the
     * stream as if it had just been initialized.
     *
     * @return boolean True on success
     */
    public function rewind()
    {
        return rewind($this->stream);
    }

    /**
     * Write to stream
     *
     * Writes a string to the stream (if it is writable)
     *
     * @param string $str The data to be written to the stream
     * @return int The number of bytes written to the stream
     * @throws CSVelte\Exception\IOException
     */
    public function write($str)
    {
        $this->assertIsWritable();
        return fwrite($this->stream, $str);
    }

    /**
     * Seek to position.
     *
     * Seek to a specific position within the stream (if seekable).
     *
     * @param int $offset The position to seek to
     * @param int $whence One of three native php ``SEEK_`` constants
     * @return boolean True on success false on failure
     * @throws CSVelte\Exception\IOException
     * @see http://php.net/manual/en/function.seek.php
     */
    public function seek($offset, $whence = SEEK_SET)
    {
        $this->assertIsSeekable();
        return fseek($this->stream, $offset, $whence) === 0;
    }

}


1		<?php
2		/**
3		* CSVelte: Slender, elegant CSV for PHP.
4		*
5		* Inspired by Python's CSV module and Frictionless Data and the W3C's CSV
6		* standardization efforts, CSVelte was written in an effort to take all the
7		* suck out of working with CSV.
8		*
9		* @version v0.2
10		* @copyright Copyright (c) 2016 Luke Visinoni <[email protected]>
11		* @author Luke Visinoni <[email protected]>
12		* @license https://github.com/deni-zen/csvelte/blob/master/LICENSE The MIT License (MIT)
13		*/
14		namespace CSVelte\IO;
15
16		use CSVelte\Traits\IsReadable;
17		use CSVelte\Traits\IsWritable;
18		use CSVelte\Traits\IsSeekable;
19
20		use CSVelte\Contract\Readable;
21		use CSVelte\Contract\Writable;
22		use CSVelte\Contract\Seekable;
23
24		use \InvalidArgumentException;
25		use CSVelte\Exception\NotYetImplementedException;
26		use CSVelte\Exception\EndOfFileException;
27		use CSVelte\Exception\IOException;
28
29		/**
30		* CSVelte Stream.
31		*
32		* Represents a stream for input/output. Implements both readable and writable
33		* interfaces so that it can be passed to either ``CSVelte\Reader`` or
34		* ``CSVelte\Writer``.
35		*
36		* @package CSVelte
37		* @subpackage CSVelte\IO
38		* @copyright (c) 2016, Luke Visinoni <[email protected]>
39		* @author Luke Visinoni <[email protected]>
40		* @since v0.2
41		*/
42		class Stream implements Readable, Writable, Seekable
43		{
44		use IsReadable, IsWritable, IsSeekable;
45		/**
46		* Hash of readable/writable stream open mode types.
47		*
48		* Mercilessly stolen from:
49		* https://github.com/guzzle/streams/blob/master/src/Stream.php
50		*
51		* My kudos and sincere thanks go out to Michael Dowling and Graham Campbell
52		* of the guzzle/streams PHP package. Thanks for the inspiration (in some cases)
53		* and the not suing me for outright theft (in this case).
54		*
55		* @var array Hash of readable and writable stream types
56		*/
57		protected static $readWriteHash = [
58		'read' => [
59		'r' => true, 'w+' => true, 'r+' => true, 'x+' => true, 'c+' => true,
60		'rb' => true, 'w+b' => true, 'r+b' => true, 'x+b' => true,
61		'c+b' => true, 'rt' => true, 'w+t' => true, 'r+t' => true,
62		'x+t' => true, 'c+t' => true, 'a+' => true,
63		],
64		'write' => [
65		'w' => true, 'w+' => true, 'rw' => true, 'r+' => true, 'x+' => true,
66		'c+' => true, 'wb' => true, 'w+b' => true, 'r+b' => true,
67		'x+b' => true, 'c+b' => true, 'w+t' => true, 'r+t' => true,
68		'x+t' => true, 'c+t' => true, 'a' => true, 'a+' => true,
69		],
70		];
71
72		/**
73		* @var resource An open stream resource
74		*/
75		protected $stream;
76
77		/**
78		* Meta data about stream resource.
79		* Just contains the return value of stream_get_meta_data.
80		* @var array The return value of stream_get_meta_data
81		*/
82		protected $meta;
83
84		/**
85		* Is stream seekable
86		* @var boolean True if stream is seekable, false otherwise
87		*/
88		protected $seekable;
89
90		/**
91		* Is stream readable
92		* @var boolean True if stream is readable, false otherwise
93		*/
94		protected $readable;
95
96		/**
97		* Is stream writable
98		* @var boolean True if stream is writable, false otherwise
99		*/
100		protected $writable;
101
102		/**
103		* Converts object/string to a usable stream
104		*
105		* Mercilessly stolen from:
106		* https://github.com/guzzle/streams/blob/master/src/Stream.php
107		*
108		* My kudos and sincere thanks go out to Michael Dowling and Graham Campbell
109		* of the guzzle/streams PHP package. Thanks for the inspiration (in some cases)
110		* and the not suing me for outright theft (in this case).
111		*
112		* @param object\|string The string/object to convert to a stream
113		* @param array Options to pass to the newly created stream
114		* @return \CSVelte\IO\Stream
115		* @throws \InvalidArgumentException
116		*/
117	16	public static function streamize($resource = '')
118		{
119	16	$type = gettype($resource);
120
121	16	if ($type == 'string' && file_exists($resource)) {
122	2	return new self($resource);
123		}
124
125	15	if ($type == 'string') {
126	15	$stream = self::open('php://temp', 'r+');
127	15	if ($resource !== '') {
128	13	fwrite($stream, $resource);
129	13	fseek($stream, 0);
130	13	}
131	15	return new self($stream);
132		}
133
134	1	if ($type == 'object' && method_exists($resource, '__toString')) {
135	1	return self::streamize((string) $resource);
136		}
137
138		throw new InvalidArgumentException('Invalid resource type: ' . $type);
139		}
140
141		/**
142		* Stream Object Constructor.
143		*
144		* Instantiates the stream object
145		*
146		* @param string\|resource $stream Either a valid stream URI or an open
147		* stream resource (using fopen, fsockopen, et al.)
148		* @param string file/stream open mode as passed to native php
149		* ``fopen`` function
150		* @param array Stream context options array as passed to native php
151		* ``stream_context_create`` function
152		* @see http://php.net/manual/en/function.fopen.php
153		* @see http://php.net/manual/en/function.stream-context-create.php
154		*/
155	50	public function __construct($stream, $mode = null, $context = null)
156		{
157	50	$this->setMetaData($this->stream = self::open($stream, $mode, $context));
158	46	}
159
160		/**
161		* Stream Object Destructor.
162		*
163		* Closes stream connection.
164		*/
165	45	public function __destruct()
166		{
167	45	$this->close();
168	45	}
169
170		/**
171		* Open a new stream URI and return stream resource.
172		*
173		* Pass in either a valid stream URI or a stream resource and this will
174		* return a stream resource object.
175		*
176		* @param string\|resource $stream Either stream URI or resource object
177		* @param string $mode File/stream open mode (as passed to native php
178		* ``fopen`` function)
179		* @param array $context Stream context options array as passed to native
180		* php ``stream_context_create`` function
181		* @return stream resource object
182		* @throws CSVelte\Exception\IOException on invalid stream uri/resource
183		* @throws \InvalidArgumentException if context param is not an array
184		* @see http://php.net/manual/en/function.fopen.php
185		* @see http://php.net/manual/en/function.stream-context-create.php
186		*/
187	48	protected static function open($stream, $mode = null, $context = null)
188		{
189	48	if (is_null($mode)) $mode = 'r+b';
190	48	if (is_string($uri = $stream)) {
191	44	if (is_null($context)) {
192	42	$stream = @fopen($uri, $mode);
193	42	} else {
194	2	if (!is_array($context)) {
195	1	throw new InvalidArgumentException("Invalid argument for context. Expected array, got: " . gettype($context));
196		}
197	1	$context = stream_context_create($context);
198	1	$stream = @fopen($uri, $mode, false, $context);
199		}
200	43	if (false === $stream) {
201	1	throw new IOException("Invalid stream URI: " . $uri, IOException::ERR_INVALID_STREAM_URI);
202		}
203	42	}
204	46	if (!is_resource($stream) \|\| get_resource_type($stream) != 'stream') {
205	1	throw new IOException("Expected stream resource, got: " . gettype($stream), IOException::ERR_INVALID_STREAM_RESOURCE);
206		}
207	45	return $stream;
208		}
209
210		/**
211		* Close stream resource.
212		*
213		* @return boolean True on success or false on failure
214		*/
215	45	public function close()
216		{
217	45	if (is_resource($this->stream)) {
218	45	return fclose($this->stream);
219		}
220	2	return false;
221		}
222
223		/**
224		* Set stream meta data via stream resource.
225		*
226		* Pass in stream resource to set this object's stream metadata as returned
227		* by the native php function ``stream_get_meta_data``
228		*
229		* @param resource $stream Stream resource object
230		* @return $this
231		* @see http://php.net/manual/en/function.stream-get-meta-data.php
232		*/
233	45	protected function setMetaData($stream)
234		{
235	45	$this->meta = stream_get_meta_data($stream);
236	45	$this->seekable = (bool) $this->meta['seekable'];
237	45	$this->readable = isset(self::$readWriteHash['read'][$this->meta['mode']]);
238	45	$this->writable = isset(self::$readWriteHash['write'][$this->meta['mode']]);
239	45	return $this;
240		}
241
242		/**
243		* Get stream metadata (all or certain value).
244		*
245		* Get either the entire stream metadata array or a single value from it by key.
246		*
247		* @param string $key If set, must be one of ``stream_get_meta_data`` array keys
248		* @return string\|array Either a single value or whole array returned by ``stream_get_meta_data``
249		* @see http://php.net/manual/en/function.stream-get-meta-data.php
250		*/
251	9	public function getMetaData($key = null)
252		{
253	9	if (is_null($key)) return $this->meta;
254	8	return (array_key_exists($key, $this->meta)) ? $this->meta[$key] : null;
255		}
256
257		/**
258		* Accessor for seekability.
259		*
260		* Returns true if possible to seek to a certain position within this stream
261		*
262		* @return boolean True if stream is seekable
263		*/
264	2	public function isSeekable()
265		{
266	2	return $this->seekable;
267		}
268
269		/**
270		* Accessor for readability.
271		*
272		* Returns true if possible to read from this stream
273		*
274		* @return boolean True if stream is readable
275		*/
276	31	public function isReadable()
277		{
278	31	return $this->readable;
279		}
280
281		/**
282		* Accessor for writability.
283		*
284		* Returns true if possible to write to this stream
285		*
286		* @return boolean True if stream is writable
287		*/
288	16	public function isWritable()
289		{
290	16	return $this->writable;
291		}
292
293		/**
294		* Accessor for internal stream resource.
295		*
296		* Returns the internal stream resource pointer
297		*
298		* @return resource The open stream resource pointer
299		*/
300	3	public function getResource()
301		{
302	3	return $this->stream;
303		}
304
305		/**
306		* Accessor for stream URI.
307		*
308		* Returns the stream URI
309		*
310		* @return string The URI for the stream
311		*/
312	8	public function getUri()
313		{
314	8	return $this->getMetaData('uri');
315		}
316
317		/**
318		* Accessor for stream name.
319		*
320		* Alias for ``getUri()``
321		*
322		* @return string The name for this stream
323		*/
324	7	public function getName()
325		{
326	7	return $this->getUri();
327		}
328
329		/**
330		* Read $length bytes from stream.
331		*
332		* Reads $length bytes (number of characters) from the stream
333		*
334		* @param int $length Number of bytes to read from stream
335		* @return string\|boolean The data read from stream or false if at end of
336		* file or some other problem.
337		* @throws CSVelte\Exception\IOException
338		*/
339	30	public function read($length)
340		{
341	30	$this->assertIsReadable();
342	29	if ($this->eof()) return false;
343	29	return fread($this->stream, $length);
344		}
345
346		/**
347		* Read the entire contents of file/stream.
348		*
349		* Read and return the entire contents of the stream.
350		*
351		* @param void
352		* @return string The entire file contents
353		* @throws CSVelte\Exception\IOException
354		*/
355	1	public function getContents()
356		{
357	1	$buffer = '';
358	1	while ($chunk = $this->read(1024)) {
359	1	$buffer .= $chunk;
360	1	}
361	1	return $buffer;
362		}
363
364		/**
365		* Is file pointer at the end of the stream?
366		*
367		* Returns true if internal pointer has reached the end of the stream.
368		*
369		* @return boolean True if end of stream has been reached
370		*/
371	29	public function eof()
372		{
373	29	return feof($this->stream);
374		}
375
376		/**
377		* Rewind pointer to beginning of stream.
378		*
379		* Rewinds the stream, meaning it returns the pointer to the beginning of the
380		* stream as if it had just been initialized.
381		*
382		* @return boolean True on success
383		*/
384	19	public function rewind()
385		{
386	19	return rewind($this->stream);
387		}
388
389		/**
390		* Write to stream
391		*
392		* Writes a string to the stream (if it is writable)
393		*
394		* @param string $str The data to be written to the stream
395		* @return int The number of bytes written to the stream
396		* @throws CSVelte\Exception\IOException
397		*/
398	16	public function write($str)
399		{
400	16	$this->assertIsWritable();
401	15	return fwrite($this->stream, $str);
402		}
403
404		/**
405		* Seek to position.
406		*
407		* Seek to a specific position within the stream (if seekable).
408		*
409		* @param int $offset The position to seek to
410		* @param int $whence One of three native php ``SEEK_`` constants
411		* @return boolean True on success false on failure
412		* @throws CSVelte\Exception\IOException
413		* @see http://php.net/manual/en/function.seek.php
414		*/
415	2	public function seek($offset, $whence = SEEK_SET)
416		{
417	2	$this->assertIsSeekable();
418	2	return fseek($this->stream, $offset, $whence) === 0;
419		}
420
421		}
422

nozavroni / csvelte

Push — releases/v0.2 ( 2d3c30...c1372d )

Stream::isSeekable() A

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