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<?php |
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namespace Padosoft\Io; |
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/** |
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* Helper Class FileHelper |
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* @package Padosoft\Io |
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*/ |
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class FileHelper |
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{ |
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/** |
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* Simple pathinfo wrapper. |
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* @param string $filePath |
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* @param int $fileInfOoptions |
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* @return string |
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* @see http://php.net/manual/en/function.pathinfo.php |
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*/ |
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public static function getPathinfoPart(string $filePath, int $fileInfOoptions) : string |
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{ |
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if ($filePath === null || $filePath == '' || is_dir($filePath) || DirHelper::endsWithSlash($filePath)) { |
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return ''; |
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} |
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$info = pathinfo($filePath, $fileInfOoptions); |
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if ($info == '.' && $fileInfOoptions == PATHINFO_DIRNAME) { |
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return ''; |
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} |
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return ($info !== null && $info != '') ? $info : ''; |
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} |
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/** |
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* Return the file name of file (without path and witout extension). |
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* Return empty string if $filePath is null, empty or is a directory. |
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* Ex.: /public/upload/pippo.txt return '/public/upload' |
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* @param string $filePath |
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* @return string |
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*/ |
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public static function getDirname(string $filePath) : string |
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{ |
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return self::getPathinfoPart($filePath, PATHINFO_DIRNAME); |
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} |
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/** |
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* Return the file name of file (without path and witout extension). |
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* Return empty string if $filePath is null, empty or is a directory. |
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* Ex.: /public/upload/pippo.txt return 'pippo.txt' |
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* @param string $filePath |
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* @return string |
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*/ |
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public static function getFilename(string $filePath) : string |
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{ |
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return self::getPathinfoPart($filePath, PATHINFO_BASENAME); |
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} |
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/** |
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* Return the file name of file (without path and witout extension). |
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* Return empty string if $filePath is null, empty or is a directory. |
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* Ex.: /public/upload/pippo.txt return 'pippo' |
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* @param string $filePath |
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* @return string |
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*/ |
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public static function getFilenameWithoutExtension(string $filePath) : string |
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{ |
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return self::getPathinfoPart($filePath, PATHINFO_FILENAME); |
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} |
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/** |
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* Return the file name of file (without path and witout extension). |
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* Return empty string if $filePath is null, empty or is a directory. |
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* Ex.: /public/upload/pippo.txt return '.txt' |
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* @param string $filePath |
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* @return string |
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*/ |
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public static function getFilenameExtension(string $filePath) : string |
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{ |
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return self::getPathinfoPart($filePath, PATHINFO_EXTENSION); |
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} |
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/** |
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* unlink file if exists. |
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* Return false if exists and unlink fails or if filePath is a dir. |
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* @param string $filePath |
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* @return bool |
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*/ |
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public static function unlinkSafe(string $filePath) : bool |
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{ |
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if (!FileHelper::fileExistsSafe($filePath)) { |
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return false; |
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} |
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if (DirHelper::isDirSafe($filePath)) { |
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return false; |
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} |
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return unlink($filePath); |
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} |
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/** |
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* Check if passed file exists or not. |
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* If dir passed return false. |
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* @param string $filePath |
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* @return bool |
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*/ |
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public static function fileExistsSafe(string $filePath) : bool |
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{ |
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if ($filePath === null || $filePath == '') { |
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return false; |
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} |
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if (DirHelper::isDirSafe($filePath)) { |
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return false; |
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} |
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return file_exists($filePath); |
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} |
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/** |
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* Find files matching a pattern (recursive with matched files in subdirs). |
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* Returns an array containing the matched files (full path and not directories), |
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* an empty array if no file matched or on error. |
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* @param string $fileNamePattern if is null it set to base_path()/* if exists otherwise __DIR__/* . It support glob() string pattern. |
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* @param int $flags glob() Valid flags |
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* @return array of files (full path) |
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*/ |
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public static function findFiles(string $fileNamePattern, int $flags = 0) |
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{ |
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$fallback = []; |
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if (($fileNamePattern === null || $fileNamePattern == '') && function_exists('base_path')) { |
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$fileNamePattern = DirHelper::addFinalSlash(base_path()) . '*'; |
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} elseif ($fileNamePattern === null || $fileNamePattern == '') { |
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$fileNamePattern = __DIR__ . '/*'; |
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} |
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if (DirHelper::endsWithSlash($fileNamePattern)) { |
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$fileNamePattern .= '*'; |
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} |
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$files = glob($fileNamePattern, $flags); |
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//remove array of empty string |
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$files = array_filter($files, function ($k) { |
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return ($k !== null && $k != ''); |
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}); |
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if (empty($files)) { |
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return $fallback; |
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} |
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foreach (glob(dirname($fileNamePattern) . '/*', GLOB_ONLYDIR | GLOB_NOSORT) as $dir) { |
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if (empty($dir)) { |
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continue; |
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} |
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$files = array_merge($files, self::findFiles($dir . '/' . basename($fileNamePattern), $flags)); |
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$files = array_filter($files, function ($k) { |
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return ($k !== null && $k != ''); |
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}); |
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} |
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$files = array_filter($files, function ($k) { |
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return (!is_dir($k)); |
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}); |
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return $files === false ? $fallback : $files; |
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} |
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/** |
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* Equals to file_put_contents but safe, i.e. |
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* accept empty string and return false without raise an error, |
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* accept a directory and return false without raise an error, |
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* and if $forceCreateDirIfNotExists is set to true and path doesn't exists, file_put_contents fails |
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* so, this class, try to create the complete path before save file. |
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* @param string $filename file name including folder. |
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* example :: /path/to/file/filename.ext or filename.ext |
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* @param string $data The data to write. |
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* @param bool $forceCreateDirIfNotExists if true and path not exists, try to create it. |
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* @param string $modeMask The mask applied to dir if need to create some dir. |
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* @param int $flags same flags used for file_put_contents. |
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* @see more info: http://php.net/manual/en/function.file-put-contents.php |
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* @return bool TRUE file created succesfully, return FALSE if failed to create file. |
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*/ |
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public static function filePutContentsSafe( |
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string $filename, |
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string $data, |
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bool $forceCreateDirIfNotExists = true, |
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string $modeMask = '0755', |
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int $flags = 0 |
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) : bool |
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{ |
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if ($filename === null || $filename == '') { |
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return false; |
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} |
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//check if a directory passed ($filename ends with slash) |
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if (DirHelper::endsWithSlash($filename)) { |
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return false; |
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} |
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$dirName = dirname($filename); |
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if (!$forceCreateDirIfNotExists && !DirHelper::isDirSafe($dirName)) { |
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return false; |
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} |
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if (!DirHelper::checkDirExistOrCreate(DirHelper::addFinalSlash($dirName), $modeMask)) { |
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return false; |
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} |
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return file_put_contents($filename, $data, $flags); |
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} |
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} |
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