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<?php |
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/** |
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* @copyright 2017 Vladimir Jimenez |
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* @license https://github.com/allejo/stakx/blob/master/LICENSE.md MIT |
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*/ |
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namespace allejo\stakx\System; |
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use allejo\stakx\Exception\FileAccessDeniedException; |
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use Symfony\Component\Filesystem\Exception\FileNotFoundException; |
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use Symfony\Component\Filesystem\Exception\IOException; |
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use Symfony\Component\Finder\SplFileInfo; |
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/** |
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* Class Filesystem. |
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* |
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* This class extends Symfony's Filesystem to provide convenience functions |
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*/ |
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class Filesystem extends \Symfony\Component\Filesystem\Filesystem |
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{ |
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/** |
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* Build an absolute file or directory path separated by the OS specific directory separator. |
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* |
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* @param string ...$pathFragments |
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* |
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* @return string |
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*/ |
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public function absolutePath($pathFragments) |
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{ |
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if ($this->isAbsolutePath($pathFragments)) |
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{ |
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return $pathFragments; |
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} |
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$args = func_get_args(); |
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array_unshift($args, getcwd()); |
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return implode(DIRECTORY_SEPARATOR, $args); |
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} |
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/** |
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* Build a file or directory path separated by the OS specific directory separator. |
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* |
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* @param string ...$pathFragments |
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* |
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* @return string |
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*/ |
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public function appendPath($pathFragments) |
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{ |
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return implode(DIRECTORY_SEPARATOR, func_get_args()); |
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} |
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/** |
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* Copy a file or folder recursively. |
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* |
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* @param string $originFile The original filename |
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* @param string $targetFile The target filename |
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* @param bool $overwriteNewerFiles If true, target files newer than origin files are overwritten |
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* |
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* @throws FileNotFoundException When originFile doesn't exist |
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* @throws IOException When copy fails |
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*/ |
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public function copy($originFile, $targetFile, $overwriteNewerFiles = false) |
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{ |
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if ($this->isDir($originFile)) |
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{ |
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if (!$this->isDir($targetFile)) |
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{ |
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mkdir($targetFile, 0755, true); |
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} |
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$dir = dir($originFile); |
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while (false !== $entry = $dir->read()) |
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{ |
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// Skip pointers |
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if ($entry == '.' || $entry == '..') |
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{ |
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continue; |
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} |
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$this->copy("$originFile/$entry", "$targetFile/$entry", true); |
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} |
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$dir->close(); |
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} |
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else |
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{ |
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parent::copy($originFile, $targetFile, $overwriteNewerFiles); |
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} |
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} |
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/** |
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* Create an instance of Symfony's SplFileInfo with relative path information. |
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* |
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* @param string $filePath |
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* |
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* @return SplFileInfo |
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*/ |
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public function createSplFileInfo($filePath) |
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{ |
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return new SplFileInfo( |
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$this->absolutePath($filePath), |
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$this->getRelativePath($this->getFolderPath($filePath)), |
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$this->getRelativePath($filePath) |
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); |
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} |
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/** |
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* Strip the current working directory from an absolute path. |
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* |
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* @param string $path An absolute path |
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* |
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* @return string |
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*/ |
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public function getRelativePath($path) |
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{ |
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return str_replace(getcwd() . DIRECTORY_SEPARATOR, '', $path); |
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} |
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/** |
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* Get the name of a given file without the extension. |
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* |
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* @param string $filePath A file path |
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* |
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* @return string |
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*/ |
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public function getBaseName($filePath) |
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{ |
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return pathinfo($filePath, PATHINFO_FILENAME); |
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} |
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/** |
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* Get the name of a given file. |
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* |
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* @param string $filePath A file path |
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* |
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* @return string |
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*/ |
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public function getFileName($filePath) |
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{ |
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return pathinfo($filePath, PATHINFO_BASENAME); |
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} |
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/** |
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* Get the parent directory of a given file. |
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* |
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* @param string $filePath A file path |
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* |
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* @return string |
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*/ |
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public function getFolderPath($filePath) |
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{ |
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return pathinfo($filePath, PATHINFO_DIRNAME); |
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} |
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/** |
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* Get the extension of a given file. |
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* |
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* @param string $filename A file path |
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* |
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* @return string The extension of the file |
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*/ |
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public function getExtension($filename) |
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{ |
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return pathinfo($filename, PATHINFO_EXTENSION); |
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} |
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/** |
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* Check whether or not if a given path is a directory. |
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* |
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* @param string $folderPath |
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* |
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* @return bool |
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*/ |
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public function isDir($folderPath) |
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{ |
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return is_dir($folderPath); |
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} |
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/** |
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* Check whether a given file path is a symlink |
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* |
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* @param string $filePath |
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* |
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* @return bool |
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*/ |
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public function isSymlink($filePath) |
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{ |
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return is_link($filePath); |
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} |
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/** |
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* Only read a file's contents if it's within the current working directory |
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* |
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* @param string $filePath |
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* |
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* @return bool|string |
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*/ |
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public function safeReadFile($filePath) |
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{ |
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$absPath = realpath($this->absolutePath($filePath)); |
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if (!$this->exists($absPath)) |
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{ |
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throw new FileNotFoundException(sprintf( |
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"The '%s' file could not be found or is outside the website working directory", |
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$filePath |
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)); |
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} |
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if (strpos($absPath, getcwd()) !== 0) |
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{ |
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throw new FileAccessDeniedException(sprintf( |
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"The '%s' file is outside the website working directory", |
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$filePath |
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)); |
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} |
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return file_get_contents($absPath); |
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} |
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/** |
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* Get the full path to the file without the extension. |
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* |
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* @param string $filename A file path |
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* |
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* @return string |
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*/ |
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public function removeExtension($filename) |
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{ |
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return $this->appendPath( |
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$this->getFolderPath($filename), |
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$this->getBaseName($filename) |
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); |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.