FastImageSize::getImage() - Code Metrics - Inspection of "Use cURL when `allow_url_fopen = Off`" - marc1706/fast-image-size - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#20)

unknown

created 2016-09-10 08:42 UTC

FastImageSize::getImage() C

↳ Parent: FastImageSize

Complexity

Conditions	7
Paths	16

Size

Total Lines	33
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	21
CRAP Score	7

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
c	2
b	0
f	0
dl	0
loc	33
ccs	21
cts	21
cp	1
rs	6.7272
cc	7
eloc	16
nc	16
nop	4
crap	7

<?php

/**
 * fast-image-size base class
 * @package fast-image-size
 * @copyright (c) Marc Alexander <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace FastImageSize;

class FastImageSize
{
	/** @var array Size info that is returned */
	protected $size = array();

	/** @var string Data retrieved from remote */
	protected $data = '';

	/** @var array List of supported image types and associated image types */
	protected $supportedTypes = array(
		'png'	=> array('png'),
		'gif'	=> array('gif'),
		'jpeg'	=> array(
				'jpeg',
				'jpg',
				'jpe',
				'jif',
				'jfif',
				'jfi',
			),
		'jp2'	=> array(
				'jp2',
				'j2k',
				'jpf',
				'jpg2',
				'jpx',
				'jpm',
			),
		'psd'	=> array(
				'psd',
				'photoshop',
			),
		'bmp'	=> array('bmp'),
		'tif'	=> array(
				'tif',
				'tiff',
			),
		'wbmp'	=> array(
				'wbm',
				'wbmp',
				'vnd.wap.wbmp',
			),
		'iff'	=> array(
				'iff',
				'x-iff',
		),
		'ico'	=> array(
				'ico',
				'vnd.microsoft.icon',
				'x-icon',
				'icon',
		),
	);

	/** @var array Class map that links image extensions/mime types to class */
	protected $classMap;

	/** @var array An array containing the classes of supported image types */
	protected $type;

	/**
	 * Constructor for fastImageSize class
	 */
	public function __construct()
	{
		foreach ($this->supportedTypes as $imageType => $extension)
		{
			$className = '\FastImageSize\Type\Type' . ucfirst(strtolower($imageType));
			$this->type[$imageType] = new $className($this);

			// Create class map
			foreach ($extension as $ext)
			{
				/** @var Type\TypeInterface */
				$this->classMap[$ext] = $this->type[$imageType];
			}
		}
	}

	/**
	 * Get image dimensions of supplied image
	 *
	 * @param string $file Path to image that should be checked
	 * @param string $type Mimetype of image
	 * @return array|bool Array with image dimensions if successful, false if not
	 */
	public function getImageSize($file, $type = '')
	{
		// Reset values
		$this->resetValues();

		// Treat image type as unknown if extension or mime type is unknown
		if (!preg_match('/\.([a-z0-9]+)$/i', $file, $match) && empty($type))
		{
			$this->getImagesizeUnknownType($file);
		}
		else
		{
			$extension = (isset($match[1])) ? $match[1] : preg_replace('/.+\/([a-z0-9-.]+)$/i', '$1', $type);

			$this->getImageSizeByExtension($file, $extension);
		}

		return sizeof($this->size) > 1 ? $this->size : false;
	}

	/**
	 * Get dimensions of image if type is unknown
	 *
	 * @param string $filename Path to file
	 */
	protected function getImagesizeUnknownType($filename)
	{
		// Grab the maximum amount of bytes we might need
		$data = $this->getImage($filename, 0, Type\TypeJpeg::JPEG_MAX_HEADER_SIZE, false);

		if ($data !== false)
		{
			foreach ($this->type as $imageType)
			{
				$imageType->getSize($filename);

				if (sizeof($this->size) > 1)
				{
					break;
				}
			}
		}
	}

	/**
	 * Get image size by file extension
	 *
	 * @param string $file Path to image that should be checked
	 * @param string $extension Extension/type of image
	 */
	protected function getImageSizeByExtension($file, $extension)
	{
		if (isset($this->classMap[$extension]))
		{
			$this->classMap[$extension]->getSize($file);
		}
	}

	/**
	 * Reset values to default
	 */
	protected function resetValues()
	{
		$this->size = array();
		$this->data = '';
	}

	/**
	 * Set mime type based on supplied image
	 *
	 * @param int $type Type of image
	 */
	public function setImageType($type)
	{
		$this->size['type'] = $type;
	}

	/**
	 * Set size info
	 *
	 * @param array $size Array containing size info for image
	 */
	public function setSize($size)
	{
		$this->size = $size;
	}

	/**
	 * Get image from specified path/source
	 *
	 * @param string $filename Path to image
	 * @param int $offset Offset at which reading of the image should start
	 * @param int $length Maximum length that should be read
	 * @param bool $forceLength True if the length needs to be the specified
	 *			length, false if not. Default: true
	 *
	 * @return false|string Image data or false if result was empty
	 */
	public function getImage($filename, $offset, $length, $forceLength = true)
	{
		if (empty($this->data))
		{
			$this->data = @file_get_contents($filename, null, null, $offset, $length);

			if ($this->data === false) {

				$headers = array(
			    	'Range: bytes=0-' . ($length - 1)
			    );

			    $curl = curl_init($filename);
			    curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
			    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
			    $this->data = curl_exec($curl);
			    curl_close($curl);
			    
			    if (isset($offset)) {
					$this->data = substr($this->data, $offset);
				}
			}
		}

		// Force length to expected one. Return false if data length
		// is smaller than expected length
		if ($forceLength === true)
		{
			return (strlen($this->data) < $length) ? false : substr($this->data, $offset, $length) ;
		}

		return empty($this->data) ? false : $this->data;
	}

	/**
	 * Get return data
	 *
	 * @return array|bool Size array if dimensions could be found, false if not
	 */
	protected function getReturnData()
	{
		return sizeof($this->size) > 1 ? $this->size : false;
	}
}


1		<?php
2
3		/**
4		* fast-image-size base class
5		* @package fast-image-size
6		* @copyright (c) Marc Alexander <[email protected]>
7		*
8		* For the full copyright and license information, please view the LICENSE
9		* file that was distributed with this source code.
10		*/
11
12		namespace FastImageSize;
13
14		class FastImageSize
15		{
16		/** @var array Size info that is returned */
17		protected $size = array();
18
19		/** @var string Data retrieved from remote */
20		protected $data = '';
21
22		/** @var array List of supported image types and associated image types */
23		protected $supportedTypes = array(
24		'png' => array('png'),
25		'gif' => array('gif'),
26		'jpeg' => array(
27		'jpeg',
28		'jpg',
29		'jpe',
30		'jif',
31		'jfif',
32		'jfi',
33		),
34		'jp2' => array(
35		'jp2',
36		'j2k',
37		'jpf',
38		'jpg2',
39		'jpx',
40		'jpm',
41		),
42		'psd' => array(
43		'psd',
44		'photoshop',
45		),
46		'bmp' => array('bmp'),
47		'tif' => array(
48		'tif',
49		'tiff',
50		),
51		'wbmp' => array(
52		'wbm',
53		'wbmp',
54		'vnd.wap.wbmp',
55		),
56		'iff' => array(
57		'iff',
58		'x-iff',
59		),
60		'ico' => array(
61		'ico',
62		'vnd.microsoft.icon',
63		'x-icon',
64		'icon',
65		),
66		);
67
68		/** @var array Class map that links image extensions/mime types to class */
69		protected $classMap;
70
71		/** @var array An array containing the classes of supported image types */
72		protected $type;
73
74		/**
75		* Constructor for fastImageSize class
76		*/
77	57	public function __construct()
78		{
79	57	foreach ($this->supportedTypes as $imageType => $extension)
80		{
81	57	$className = '\FastImageSize\Type\Type' . ucfirst(strtolower($imageType));
82	57	$this->type[$imageType] = new $className($this);
83
84		// Create class map
85	57	foreach ($extension as $ext)
86		{
87		/** @var Type\TypeInterface */
88	57	$this->classMap[$ext] = $this->type[$imageType];
89	57	}
90	57	}
91	57	}
92
93		/**
94		* Get image dimensions of supplied image
95		*
96		* @param string $file Path to image that should be checked
97		* @param string $type Mimetype of image
98		* @return array\|bool Array with image dimensions if successful, false if not
99		*/
100	57	public function getImageSize($file, $type = '')
101		{
102		// Reset values
103	57	$this->resetValues();
104
105		// Treat image type as unknown if extension or mime type is unknown
106	57	if (!preg_match('/\.([a-z0-9]+)$/i', $file, $match) && empty($type))
107	57	{
108	15	$this->getImagesizeUnknownType($file);
109	15	}
110		else
111		{
112	42	$extension = (isset($match[1])) ? $match[1] : preg_replace('/.+\/([a-z0-9-.]+)$/i', '$1', $type);
113
114	42	$this->getImageSizeByExtension($file, $extension);
115		}
116
117	57	return sizeof($this->size) > 1 ? $this->size : false;
118		}
119
120		/**
121		* Get dimensions of image if type is unknown
122		*
123		* @param string $filename Path to file
124		*/
125	15	protected function getImagesizeUnknownType($filename)
126		{
127		// Grab the maximum amount of bytes we might need
128	15	$data = $this->getImage($filename, 0, Type\TypeJpeg::JPEG_MAX_HEADER_SIZE, false);
129
130	15	if ($data !== false)
131	15	{
132	14	foreach ($this->type as $imageType)
133		{
134	14	$imageType->getSize($filename);
135
136	14	if (sizeof($this->size) > 1)
137	14	{
138	14	break;
139		}
140	14	}
141	14	}
142	15	}
143
144		/**
145		* Get image size by file extension
146		*
147		* @param string $file Path to image that should be checked
148		* @param string $extension Extension/type of image
149		*/
150	42	protected function getImageSizeByExtension($file, $extension)
151		{
152	42	if (isset($this->classMap[$extension]))
153	42	{
154	41	$this->classMap[$extension]->getSize($file);
155	41	}
156	42	}
157
158		/**
159		* Reset values to default
160		*/
161	57	protected function resetValues()
162		{
163	57	$this->size = array();
164	57	$this->data = '';
165	57	}
166
167		/**
168		* Set mime type based on supplied image
169		*
170		* @param int $type Type of image
171		*/
172	33	public function setImageType($type)
173		{
174	33	$this->size['type'] = $type;
175	33	}
176
177		/**
178		* Set size info
179		*
180		* @param array $size Array containing size info for image
181		*/
182	39	public function setSize($size)
183		{
184	39	$this->size = $size;
185	39	}
186
187		/**
188		* Get image from specified path/source
189		*
190		* @param string $filename Path to image
191		* @param int $offset Offset at which reading of the image should start
192		* @param int $length Maximum length that should be read
193		* @param bool $forceLength True if the length needs to be the specified
194		* length, false if not. Default: true
195		*
196		* @return false\|string Image data or false if result was empty
197		*/
198	56	public function getImage($filename, $offset, $length, $forceLength = true)
199		{
200	56	if (empty($this->data))
201	56	{
202	56	$this->data = @file_get_contents($filename, null, null, $offset, $length);
203
204	56	if ($this->data === false) {
205
206		$headers = array(
207	5	'Range: bytes=0-' . ($length - 1)
208	5	);
209
210	5	$curl = curl_init($filename);
211	5	curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
212	5	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
213	5	$this->data = curl_exec($curl);
214	5	curl_close($curl);
215
216	5	if (isset($offset)) {
217	5	$this->data = substr($this->data, $offset);
218	5	}
219	5	}
220	56	}
221
222		// Force length to expected one. Return false if data length
223		// is smaller than expected length
224	56	if ($forceLength === true)
225	56	{
226	40	return (strlen($this->data) < $length) ? false : substr($this->data, $offset, $length) ;
227		}
228
229	30	return empty($this->data) ? false : $this->data;
230		}
231
232		/**
233		* Get return data
234		*
235		* @return array\|bool Size array if dimensions could be found, false if not
236		*/
237		protected function getReturnData()
238		{
239		return sizeof($this->size) > 1 ? $this->size : false;
240		}
241		}
242

marc1706 / fast-image-size

Pull Request — master (#20)

FastImageSize::getImage() C

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