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<?php |
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/** |
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* CSS.php |
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* @author Revin Roman |
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* @link https://rmrevin.com |
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*/ |
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namespace rmrevin\yii\minify\components; |
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use tubalmartin\CssMin\Minifier as CSSmin; |
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use yii\helpers\Html; |
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/** |
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* Class CSS |
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* @package rmrevin\yii\minify\components |
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*/ |
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class CSS extends MinifyComponent |
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{ |
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public function export() |
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{ |
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$cssFiles = $this->view->cssFiles; |
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$this->view->cssFiles = []; |
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$toMinify = []; |
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View Code Duplication |
if (!empty($cssFiles)) { |
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foreach ($cssFiles as $file => $html) { |
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if ($this->thisFileNeedMinify($file, $html)) { |
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if ($this->view->concatCss) { |
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$toMinify[$file] = $html; |
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} else { |
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$this->process([$file => $html]); |
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} |
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} else { |
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if (!empty($toMinify)) { |
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$this->process($toMinify); |
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$toMinify = []; |
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} |
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$this->view->cssFiles[$file] = $html; |
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} |
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} |
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} |
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if (!empty($toMinify)) { |
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$this->process($toMinify); |
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} |
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unset($toMinify); |
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} |
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/** |
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* @param array $files |
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*/ |
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protected function process(array $files) |
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{ |
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$resultFile = $this->view->minifyPath . DIRECTORY_SEPARATOR . $this->_getSummaryFilesHash($files) . '.css'; |
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if (!file_exists($resultFile)) { |
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$css = ''; |
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foreach ($files as $file => $html) { |
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$path = dirname($file); |
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$file = $this->getAbsoluteFilePath($file); |
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$content = ''; |
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if (!file_exists($file)) { |
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\Yii::warning(sprintf('Asset file not found `%s`', $file), __METHOD__); |
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} elseif (!is_readable($file)) { |
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\Yii::warning(sprintf('Asset file not readable `%s`', $file), __METHOD__); |
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} else { |
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$content = file_get_contents($file); |
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} |
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$result = []; |
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preg_match_all('|url\(([^)]+)\)|is', $content, $m); |
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if (!empty($m[0])) { |
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foreach ($m[0] as $k => $v) { |
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if (in_array(strpos($m[1][$k], 'data:'), [0, 1], true)) { |
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continue; |
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} |
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$url = str_replace(['\'', '"'], '', $m[1][$k]); |
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if ($this->isUrl($url)) { |
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$result[$m[1][$k]] = $url; |
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} else { |
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$result[$m[1][$k]] = $path . '/' . $url; |
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} |
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} |
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$content = strtr($content, $result); |
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} |
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$css .= $content; |
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} |
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$this->expandImports($css); |
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$this->removeCssComments($css); |
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if ($this->view->minifyCss) { |
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$css = (new CSSmin()) |
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->run($css, $this->view->cssLinebreakPos); |
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} |
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$charsets = false !== $this->view->forceCharset |
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? ('@charset "' . (string)$this->view->forceCharset . '";' . "\n") |
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: $this->collectCharsets($css); |
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$imports = $this->collectImports($css); |
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$fonts = $this->collectFonts($css); |
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file_put_contents($resultFile, $charsets . $imports . $fonts . $css); |
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if (false !== $this->view->fileMode) { |
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@chmod($resultFile, $this->view->fileMode); |
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} |
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} |
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$file = $this->prepareResultFile($resultFile); |
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$this->view->cssFiles[$file] = Html::cssFile($file); |
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} |
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/** |
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* @param string $code |
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*/ |
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protected function removeCssComments(&$code) |
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{ |
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if (true === $this->view->removeComments) { |
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$code = preg_replace('#/\*(?:[^*]*(?:\*(?!/))*)*\*/#', '', $code); |
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} |
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} |
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/** |
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* @param string $code |
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*/ |
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protected function expandImports(&$code) |
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{ |
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if (true === $this->view->expandImports) { |
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preg_match_all('|\@import\s([^;]+);|is', str_replace('&', '&', $code), $m); |
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if (!empty($m[0])) { |
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foreach ($m[0] as $k => $v) { |
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$import_url = $m[1][$k]; |
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if (!empty($import_url)) { |
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$import_content = $this->_getImportContent($import_url); |
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if (!empty($import_content)) { |
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$code = str_replace($m[0][$k], $import_content, $code); |
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} |
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} |
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} |
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} |
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} |
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} |
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/** |
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* @param string $code |
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* @return string |
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*/ |
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protected function collectCharsets(&$code) |
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{ |
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return $this->_collect($code, '|\@charset[^;]+|is', function ($string) { |
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return $string . ';'; |
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}); |
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} |
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/** |
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* @param string $code |
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* @return string |
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*/ |
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protected function collectImports(&$code) |
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{ |
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return $this->_collect($code, '|\@import[^;]+|is', function ($string) { |
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return $string . ';'; |
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}); |
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} |
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/** |
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* @param string $code |
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* @return string |
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*/ |
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protected function collectFonts(&$code) |
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{ |
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return $this->_collect($code, '|\@font-face\{[^}]+\}|is', function ($string) { |
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return $string; |
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}); |
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} |
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/** |
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* @param string $code |
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* @param string $pattern |
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* @param callable $handler |
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* @return string |
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*/ |
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protected function _collect(&$code, $pattern, $handler) |
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{ |
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$result = ''; |
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preg_match_all($pattern, $code, $m); |
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foreach ($m[0] as $string) { |
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$string = $handler($string); |
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$code = str_replace($string, '', $code); |
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$result .= $string . PHP_EOL; |
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} |
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return $result; |
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} |
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/** |
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* @param string $url |
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* @return null|string |
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*/ |
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protected function _getImportContent($url) |
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{ |
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$result = null; |
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if ('url(' === mb_substr($url, 0, 4)) { |
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$url = str_replace(['url(\'', 'url("', 'url(', '\')', '")', ')'], '', $url); |
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if (mb_substr($url, 0, 2) === '//') { |
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$url = preg_replace('|^//|', 'http://', $url, 1); |
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} |
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if (!empty($url)) { |
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if (!in_array(mb_substr($url, 0, 4), ['http', 'ftp:'], true)) { |
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$url = \Yii::getAlias($this->view->basePath . $url); |
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} |
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$context = [ |
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'ssl' => [ |
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'verify_peer' => false, |
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'verify_peer_name' => false, |
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], |
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]; |
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$result = file_get_contents($url, null, stream_context_create($context)); |
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} |
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} |
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return $result; |
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} |
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} |
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rmrevin /
yii2-minify-view
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.