OptimizedImage::src() - Code Metrics - Inspection of "Refactor to helpers\UrlHelper" - nystudio107/craft-imageoptimize - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — develop ( a40575...26f189 )

by Andrew

created 2018-03-18 22:13 UTC

OptimizedImage::src() A

↳ Parent: OptimizedImage

Complexity

Conditions	2
Paths	2

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	6
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	4
nc	2
nop	1

<?php
/**
 * Image Optimize plugin for Craft CMS 3.x
 *
 * Automatically optimize images after they've been transformed
 *
 * @link      https://nystudio107.com
 * @copyright Copyright (c) 2017 nystudio107
 */

namespace nystudio107\imageoptimize\models;

use nystudio107\imageoptimize\ImageOptimize;
use nystudio107\imageoptimize\helpers\UrlHelper;

use craft\helpers\Template;
use craft\base\Model;
use craft\validators\ArrayValidator;

/**
 * @author    nystudio107
 * @package   ImageOptimize
 * @since     1.2.0
 */
class OptimizedImage extends Model
{
    // Public Properties
    // =========================================================================

    /**
     * @var array
     */
    public $optimizedImageUrls = [];

    /**
     * @var array
     */
    public $optimizedWebPImageUrls = [];

    /**
     * @var array
     */
    public $variantSourceWidths = [];

    /**
     * @var array
     */
    public $focalPoint;

    /**
     * @var int
     */
    public $originalImageWidth;

    /**
     * @var int
     */
    public $originalImageHeight;

    /**
     * @var string
     */
    public $placeholder = '';

    /**
     * @var
     */
    public $placeholderSvg = '';

    /**
     * @var array
     */
    public $colorPalette = [];

    /**
     * @var int
     */
    public $placeholderWidth;

    /**
     * @var int
     */
    public $placeholderHeight;

    // Public Methods
    // =========================================================================

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            ['optimizedImageUrls', ArrayValidator::class],
            ['optimizedWebPImageUrls', ArrayValidator::class],
            ['variantSourceWidths', ArrayValidator::class],
            ['focalPoint', 'safe'],
            ['originalImageWidth', 'integer'],
            ['originalImageHeight', 'integer'],
            ['placeholder', 'string'],
            ['placeholderSvg', 'string'],
            ['colorPalette', ArrayValidator::class],
            ['placeholderWidth', 'integer'],
            ['placeholderHeight', 'integer'],
        ];
    }

    /**
     * Return the first image variant URL or the specific one passed in via
     * $width
     *
     * @param int $width
     *
     * @return \Twig_Markup|null
     */
    public function src(int $width = 0): string
    {
        if (empty($width)) {
            return Template::raw(reset($this->optimizedImageUrls));
        } else {
            return Template::raw($this->optimizedImageUrls[$width] ?? '');
        }
    }

    /**
     * Return a string of image URLs and their sizes
     *
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcset(bool $dpr = false): string
    {
        return Template::raw($this->getSrcsetFromArray($this->optimizedImageUrls, $dpr));
    }

    /**
     * Return a string of image URLs and their sizes that match $width
     *
     * @param int  $width
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcsetWidth(int $width, bool $dpr = false): string
    {
        $subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'width');

        return Template::raw($this->getSrcsetFromArray($subset, $dpr));
    }

    /**
     * Return a string of image URLs and their sizes that are at least $width
     * or larger
     *
     * @param int  $width
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcsetMinWidth(int $width, bool $dpr = false): string
    {
        $subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'minwidth');

        return Template::raw($this->getSrcsetFromArray($subset, $dpr));
    }

    /**
     * Return a string of image URLs and their sizes that are $width or smaller
     *
     * @param int  $width
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcsetMaxWidth(int $width, bool $dpr = false): string
    {
        $subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'maxwidth');

        return Template::raw($this->getSrcsetFromArray($subset, $dpr));
    }

    /**
     * Return the first webp image variant URL or the specific one passed in
     * via $width
     *
     * @param int $width
     *
     * @return \Twig_Markup|null
     */
    public function srcWebp(int $width = 0): string
    {
        if (empty($width)) {
            return Template::raw(reset($this->optimizedWebPImageUrls));
        } else {
            return Template::raw($this->optimizedWebPImageUrls[$width] ?? '');
        }
    }

    /**
     * Return a string of webp image URLs and their sizes
     *
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcsetWebp(bool $dpr = false): string
    {
        return Template::raw($this->getSrcsetFromArray($this->optimizedWebPImageUrls, $dpr));
    }

    /**
     * Return a string of webp image URLs and their sizes that match $width
     *
     * @param int  $width
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcsetWidthWebp(int $width, bool $dpr = false): string
    {
        $subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'width');

        return Template::raw($this->getSrcsetFromArray($subset, $dpr));
    }

    /**
     * Return a string of webp image URLs and their sizes that are at least
     * $width or larger
     *
     * @param int  $width
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcsetMinWidthWebp(int $width, bool $dpr = false): string
    {
        $subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'minwidth');

        return Template::raw($this->getSrcsetFromArray($subset, $dpr));
    }

    /**
     * Return a string of webp image URLs and their sizes that are $width or
     * smaller
     *
     * @param int  $width
     * @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
     *                  srcsets
     *
     * @return \Twig_Markup|null
     */
    public function srcsetMaxWidthWebp(int $width, bool $dpr = false): string
    {
        $subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'maxwidth');

        return Template::raw($this->getSrcsetFromArray($subset, $dpr));
    }

    /**
     * Work around issues with `<img srcset>` returning sizes larger than are
     * available as per:
     * https://medium.com/@MRWwebDesign/responsive-images-the-sizes-attribute-and-unexpected-image-sizes-882a2eadb6db
     *
     * @return int
     */
    public function maxSrcsetWidth(): int
    {
        $result = 0;
        if (!empty($this->optimizedImageUrls)) {
            $tempArray = $this->optimizedImageUrls;
            ksort($tempArray, SORT_NUMERIC);

            $keys = array_keys($tempArray);
            $result = end($keys);
        }

        return $result;
    }

    /**
     * Return a base64-encoded placeholder image
     *
     * @return \Twig_Markup|null
     */
    public function placeholderImage()
    {
        $header = 'data:image/jpeg;base64,';
        if (!empty($this->placeholder)) {
            $content = $this->placeholder;
        } else {
            // At least return something
            return $this->defaultPlaceholderImage();
        }

        return Template::raw($header.rawurlencode($content));
    }

    /**
     * @return string
     */
    public function placeholderImageSize()
    {
        $placeholder = $this->placeholderImage();
        $contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0;

        return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
    }

    /**
     * Return an SVG box as a placeholder image
     *
     * @param string|null $color
     *
     * @return \Twig_Markup|null
     */
    public function placeholderBox($color = null)
    {
        $width = $this->placeholderWidth ?? 1;
        $height = $this->placeholderHeight ?? 1;
        $color = $color ?? $this->colorPalette[0] ?? '#CCC';

        return Template::raw(ImageOptimize::$plugin->placeholder->generatePlaceholderBox($width, $height, $color));
    }

    /**
     * @return string
     */
    public function placeholderBoxSize()
    {
        $placeholder = $this->placeholderBox();
        $contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0;

        return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
    }

    /**
     * Return a silhouette of the image as an SVG placeholder
     *
     * @return \Twig_Markup|null
     */
    public function placeholderSilhouette()
    {
        $header = 'data:image/svg+xml,';
        if (!empty($this->placeholderSvg)) {
            $content = $this->placeholderSvg;
        } else {
            // At least return something
            return $this->defaultPlaceholderImage();
        }

        return Template::raw($header.$content);
    }

    /**
     * @return string
     */
    public function placeholderSilhouetteSize()
    {
        $placeholder = $this->placeholderSilhouette();
        $contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0;

        return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
    }

    /**
     *  Get the file size of any remote resource (using curl),
     *  either in bytes or - default - as human-readable formatted string.
     *
     * @author  Stephan Schmitz <[email protected]>
     * @license MIT <http://eyecatchup.mit-license.org/>
     * @url     <https://gist.github.com/eyecatchup/f26300ffd7e50a92bc4d>
     *
     * @param   string  $url        Takes the remote object's URL.
     * @param   boolean $formatSize Whether to return size in bytes or
     *                              formatted.
     * @param   boolean $useHead    Whether to use HEAD requests. If false,
     *                              uses GET.
     *
     * @return  int|mixed|string    Returns human-readable formatted size
     *                              or size in bytes (default: formatted).
     */
    public function getRemoteFileSize($url, $formatSize = true, $useHead = true)
    {
        // Get an absolute URL with protocol that curl will be happy with
        $url = UrlHelper::absoluteUrlWithProtocol($url);
        $ch = curl_init($url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => 1,
            CURLOPT_FOLLOWLOCATION => 1,
            CURLOPT_SSL_VERIFYPEER => 0,
        ]);
        if ($useHead) {
            curl_setopt($ch, CURLOPT_NOBODY, 1);
        }
        curl_exec($ch);
        // content-length of download (in bytes), read from Content-Length: field
        $contentLength = curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
        curl_close($ch);
        // cannot retrieve file size, return "-1"
        if (!$contentLength) {
            return -1;
        }
        // return size in bytes
        if (!$formatSize) {
            return $contentLength;
        }

        return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
    }

    // Protected Methods
    // =========================================================================

    protected function getSrcsetSubsetArray(array $set, int $width, string $comparison): array
    {
        $subset = [];
        $index = 0;
        if (empty($this->variantSourceWidths)) {
            return $subset;
        }
        foreach ($this->variantSourceWidths as $variantSourceWidth) {
            $match = false;
            switch ($comparison) {
                case 'width':
                    if ($variantSourceWidth == $width) {
                        $match = true;
                    }
                    break;

                case 'minwidth':
                    if ($variantSourceWidth >= $width) {
                        $match = true;
                    }
                    break;

                case 'maxwidth':
                    if ($variantSourceWidth <= $width) {
                        $match = true;
                    }
                    break;
            }
            if ($match) {
                $subset += array_slice($set, $index, 1, true);
            }
            $index++;
        }

        return $subset;
    }

    /**
     * @param array $array
     * @param bool  $dpr
     *
     * @return string
     */
    protected function getSrcsetFromArray(array $array, bool $dpr = false): string
    {
        $srcset = '';
        foreach ($array as $key => $value) {
            if ($dpr) {
                $descriptor = '1x';
                if (!empty($array[intval($key) / 2])) {
                    $descriptor = '2x';
                }
                if (!empty($array[intval($key) / 3])) {
                    $descriptor = '3x';
                }
            } else {
                $descriptor = $key.'w';
            }
            $srcset .= $value.' '.$descriptor.', ';
        }
        $srcset = rtrim($srcset, ', ');

        return $srcset;
    }

    /**
     * Return a default placeholder image
     *
     * @return \Twig_Markup
     */
    protected function defaultPlaceholderImage(): \Twig_Markup
    {
        $width = 1;
        $height = 1;
        $color = '#CCC';

        return Template::raw(ImageOptimize::$plugin->placeholder->generatePlaceholderBox($width, $height, $color));
    }
}


1			<?php
2			/**
3			* Image Optimize plugin for Craft CMS 3.x
4			*
5			* Automatically optimize images after they've been transformed
6			*
7			* @link https://nystudio107.com
8			* @copyright Copyright (c) 2017 nystudio107
9			*/
10
11			namespace nystudio107\imageoptimize\models;
12
13			use nystudio107\imageoptimize\ImageOptimize;
14			use nystudio107\imageoptimize\helpers\UrlHelper;
15
16			use craft\helpers\Template;
17			use craft\base\Model;
18			use craft\validators\ArrayValidator;
19
20			/**
21			* @author nystudio107
22			* @package ImageOptimize
23			* @since 1.2.0
24			*/
25			class OptimizedImage extends Model
26			{
27			// Public Properties
28			// =========================================================================
29
30			/**
31			* @var array
32			*/
33			public $optimizedImageUrls = [];
34
35			/**
36			* @var array
37			*/
38			public $optimizedWebPImageUrls = [];
39
40			/**
41			* @var array
42			*/
43			public $variantSourceWidths = [];
44
45			/**
46			* @var array
47			*/
48			public $focalPoint;
49
50			/**
51			* @var int
52			*/
53			public $originalImageWidth;
54
55			/**
56			* @var int
57			*/
58			public $originalImageHeight;
59
60			/**
61			* @var string
62			*/
63			public $placeholder = '';
64
65			/**
66			* @var
67			*/
68			public $placeholderSvg = '';
69
70			/**
71			* @var array
72			*/
73			public $colorPalette = [];
74
75			/**
76			* @var int
77			*/
78			public $placeholderWidth;
79
80			/**
81			* @var int
82			*/
83			public $placeholderHeight;
84
85			// Public Methods
86			// =========================================================================
87
88			/**
89			* @inheritdoc
90			*/
91			public function rules()
92			{
93			return [
94			['optimizedImageUrls', ArrayValidator::class],
95			['optimizedWebPImageUrls', ArrayValidator::class],
96			['variantSourceWidths', ArrayValidator::class],
97			['focalPoint', 'safe'],
98			['originalImageWidth', 'integer'],
99			['originalImageHeight', 'integer'],
100			['placeholder', 'string'],
101			['placeholderSvg', 'string'],
102			['colorPalette', ArrayValidator::class],
103			['placeholderWidth', 'integer'],
104			['placeholderHeight', 'integer'],
105			];
106			}
107
108			/**
109			* Return the first image variant URL or the specific one passed in via
110			* $width
111			*
112			* @param int $width
113			*
114			* @return \Twig_Markup\|null
115			*/
116			public function src(int $width = 0): string
117			{
118			if (empty($width)) {
119			return Template::raw(reset($this->optimizedImageUrls));
120			} else {
121			return Template::raw($this->optimizedImageUrls[$width] ?? '');
122			}
123			}
124
125			/**
126			* Return a string of image URLs and their sizes
127			*
128			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
129			* srcsets
130			*
131			* @return \Twig_Markup\|null
132			*/
133			public function srcset(bool $dpr = false): string
134			{
135			return Template::raw($this->getSrcsetFromArray($this->optimizedImageUrls, $dpr));
136			}
137
138			/**
139			* Return a string of image URLs and their sizes that match $width
140			*
141			* @param int $width
142			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
143			* srcsets
144			*
145			* @return \Twig_Markup\|null
146			*/
147			public function srcsetWidth(int $width, bool $dpr = false): string
148			{
149			$subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'width');
150
151			return Template::raw($this->getSrcsetFromArray($subset, $dpr));
152			}
153
154			/**
155			* Return a string of image URLs and their sizes that are at least $width
156			* or larger
157			*
158			* @param int $width
159			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
160			* srcsets
161			*
162			* @return \Twig_Markup\|null
163			*/
164			public function srcsetMinWidth(int $width, bool $dpr = false): string
165			{
166			$subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'minwidth');
167
168			return Template::raw($this->getSrcsetFromArray($subset, $dpr));
169			}
170
171			/**
172			* Return a string of image URLs and their sizes that are $width or smaller
173			*
174			* @param int $width
175			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
176			* srcsets
177			*
178			* @return \Twig_Markup\|null
179			*/
180			public function srcsetMaxWidth(int $width, bool $dpr = false): string
181			{
182			$subset = $this->getSrcsetSubsetArray($this->optimizedImageUrls, $width, 'maxwidth');
183
184			return Template::raw($this->getSrcsetFromArray($subset, $dpr));
185			}
186
187			/**
188			* Return the first webp image variant URL or the specific one passed in
189			* via $width
190			*
191			* @param int $width
192			*
193			* @return \Twig_Markup\|null
194			*/
195			public function srcWebp(int $width = 0): string
196			{
197			if (empty($width)) {
198			return Template::raw(reset($this->optimizedWebPImageUrls));
199			} else {
200			return Template::raw($this->optimizedWebPImageUrls[$width] ?? '');
201			}
202			}
203
204			/**
205			* Return a string of webp image URLs and their sizes
206			*
207			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
208			* srcsets
209			*
210			* @return \Twig_Markup\|null
211			*/
212			public function srcsetWebp(bool $dpr = false): string
213			{
214			return Template::raw($this->getSrcsetFromArray($this->optimizedWebPImageUrls, $dpr));
215			}
216
217			/**
218			* Return a string of webp image URLs and their sizes that match $width
219			*
220			* @param int $width
221			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
222			* srcsets
223			*
224			* @return \Twig_Markup\|null
225			*/
226			public function srcsetWidthWebp(int $width, bool $dpr = false): string
227			{
228			$subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'width');
229
230			return Template::raw($this->getSrcsetFromArray($subset, $dpr));
231			}
232
233			/**
234			* Return a string of webp image URLs and their sizes that are at least
235			* $width or larger
236			*
237			* @param int $width
238			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
239			* srcsets
240			*
241			* @return \Twig_Markup\|null
242			*/
243			public function srcsetMinWidthWebp(int $width, bool $dpr = false): string
244			{
245			$subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'minwidth');
246
247			return Template::raw($this->getSrcsetFromArray($subset, $dpr));
248			}
249
250			/**
251			* Return a string of webp image URLs and their sizes that are $width or
252			* smaller
253			*
254			* @param int $width
255			* @param bool $dpr Whether to generate 1x, 2x srcsets vs the normal XXXw
256			* srcsets
257			*
258			* @return \Twig_Markup\|null
259			*/
260			public function srcsetMaxWidthWebp(int $width, bool $dpr = false): string
261			{
262			$subset = $this->getSrcsetSubsetArray($this->optimizedWebPImageUrls, $width, 'maxwidth');
263
264			return Template::raw($this->getSrcsetFromArray($subset, $dpr));
265			}
266
267			/**
268			* Work around issues with `<img srcset>` returning sizes larger than are
269			* available as per:
270			* https://medium.com/@MRWwebDesign/responsive-images-the-sizes-attribute-and-unexpected-image-sizes-882a2eadb6db
271			*
272			* @return int
273			*/
274			public function maxSrcsetWidth(): int
275			{
276			$result = 0;
277			if (!empty($this->optimizedImageUrls)) {
278			$tempArray = $this->optimizedImageUrls;
279			ksort($tempArray, SORT_NUMERIC);
280
281			$keys = array_keys($tempArray);
282			$result = end($keys);
283			}
284
285			return $result;
286			}
287
288			/**
289			* Return a base64-encoded placeholder image
290			*
291			* @return \Twig_Markup\|null
292			*/
293			public function placeholderImage()
294			{
295			$header = 'data:image/jpeg;base64,';
296			if (!empty($this->placeholder)) {
297			$content = $this->placeholder;
298			} else {
299			// At least return something
300			return $this->defaultPlaceholderImage();
301			}
302
303			return Template::raw($header.rawurlencode($content));
304			}
305
306			/**
307			* @return string
308			*/
309			public function placeholderImageSize()
310			{
311			$placeholder = $this->placeholderImage();
312			$contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0;
313
314			return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
315			}
316
317			/**
318			* Return an SVG box as a placeholder image
319			*
320			* @param string\|null $color
321			*
322			* @return \Twig_Markup\|null
323			*/
324			public function placeholderBox($color = null)
325			{
326			$width = $this->placeholderWidth ?? 1;
327			$height = $this->placeholderHeight ?? 1;
328			$color = $color ?? $this->colorPalette[0] ?? '#CCC';
329
330			return Template::raw(ImageOptimize::$plugin->placeholder->generatePlaceholderBox($width, $height, $color));
331			}
332
333			/**
334			* @return string
335			*/
336			public function placeholderBoxSize()
337			{
338			$placeholder = $this->placeholderBox();
339			$contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0;
340
341			return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
342			}
343
344			/**
345			* Return a silhouette of the image as an SVG placeholder
346			*
347			* @return \Twig_Markup\|null
348			*/
349			public function placeholderSilhouette()
350			{
351			$header = 'data:image/svg+xml,';
352			if (!empty($this->placeholderSvg)) {
353			$content = $this->placeholderSvg;
354			} else {
355			// At least return something
356			return $this->defaultPlaceholderImage();
357			}
358
359			return Template::raw($header.$content);
360			}
361
362			/**
363			* @return string
364			*/
365			public function placeholderSilhouetteSize()
366			{
367			$placeholder = $this->placeholderSilhouette();
368			$contentLength = !empty(strlen($placeholder)) ? strlen($placeholder) : 0;
369
370			return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
371			}
372
373			/**
374			* Get the file size of any remote resource (using curl),
375			* either in bytes or - default - as human-readable formatted string.
376			*
377			* @author Stephan Schmitz <[email protected]>
378			* @license MIT <http://eyecatchup.mit-license.org/>
379			* @url <https://gist.github.com/eyecatchup/f26300ffd7e50a92bc4d>
380			*
381			* @param string $url Takes the remote object's URL.
382			* @param boolean $formatSize Whether to return size in bytes or
383			* formatted.
384			* @param boolean $useHead Whether to use HEAD requests. If false,
385			* uses GET.
386			*
387			* @return int\|mixed\|string Returns human-readable formatted size
388			* or size in bytes (default: formatted).
389			*/
390			public function getRemoteFileSize($url, $formatSize = true, $useHead = true)
391			{
392			// Get an absolute URL with protocol that curl will be happy with
393			$url = UrlHelper::absoluteUrlWithProtocol($url);
394			$ch = curl_init($url);
395			curl_setopt_array($ch, [
396			CURLOPT_RETURNTRANSFER => 1,
397			CURLOPT_FOLLOWLOCATION => 1,
398			CURLOPT_SSL_VERIFYPEER => 0,
399			]);
400			if ($useHead) {
401			curl_setopt($ch, CURLOPT_NOBODY, 1);
402			}
403			curl_exec($ch);
404			// content-length of download (in bytes), read from Content-Length: field
405			$contentLength = curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
406			curl_close($ch);
407			// cannot retrieve file size, return "-1"
408			if (!$contentLength) {
409			return -1;
410			}
411			// return size in bytes
412			if (!$formatSize) {
413			return $contentLength;
414			}
415
416			return ImageOptimize::$plugin->optimize->humanFileSize($contentLength, 1);
417			}
418
419			// Protected Methods
420			// =========================================================================
421
422			protected function getSrcsetSubsetArray(array $set, int $width, string $comparison): array
423			{
424			$subset = [];
425			$index = 0;
426			if (empty($this->variantSourceWidths)) {
427			return $subset;
428			}
429			foreach ($this->variantSourceWidths as $variantSourceWidth) {
430			$match = false;
431			switch ($comparison) {
432			case 'width':
433			if ($variantSourceWidth == $width) {
434			$match = true;
435			}
436			break;
437
438			case 'minwidth':
439			if ($variantSourceWidth >= $width) {
440			$match = true;
441			}
442			break;
443
444			case 'maxwidth':
445			if ($variantSourceWidth <= $width) {
446			$match = true;
447			}
448			break;
449			}
450			if ($match) {
451			$subset += array_slice($set, $index, 1, true);
452			}
453			$index++;
454			}
455
456			return $subset;
457			}
458
459			/**
460			* @param array $array
461			* @param bool $dpr
462			*
463			* @return string
464			*/
465			protected function getSrcsetFromArray(array $array, bool $dpr = false): string
466			{
467			$srcset = '';
468			foreach ($array as $key => $value) {
469			if ($dpr) {
470			$descriptor = '1x';
471			if (!empty($array[intval($key) / 2])) {
472			$descriptor = '2x';
473			}
474			if (!empty($array[intval($key) / 3])) {
475			$descriptor = '3x';
476			}
477			} else {
478			$descriptor = $key.'w';
479			}
480			$srcset .= $value.' '.$descriptor.', ';
481			}
482			$srcset = rtrim($srcset, ', ');
483
484			return $srcset;
485			}
486
487			/**
488			* Return a default placeholder image
489			*
490			* @return \Twig_Markup
491			*/
492			protected function defaultPlaceholderImage(): \Twig_Markup
493			{
494			$width = 1;
495			$height = 1;
496			$color = '#CCC';
497
498			return Template::raw(ImageOptimize::$plugin->placeholder->generatePlaceholderBox($width, $height, $color));
499			}
500			}
501

nystudio107 / craft-imageoptimize

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OptimizedImage::src() A

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