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<?php |
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namespace luya\helpers; |
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use admin\ngrest\plugins\File; |
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use Exception; |
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/** |
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* Extending the Yii File Helper class. |
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* |
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* @author nadar |
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*/ |
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class FileHelper extends \yii\helpers\BaseFileHelper |
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{ |
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/** |
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* Generate a human readable size informations from provided Byte size |
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* |
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* @param integer $size The size to convert in Byte |
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* @return string The readable size definition |
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*/ |
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public static function humanReadableFilesize($size) |
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{ |
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$mod = 1024; |
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$units = explode(' ', 'B KB MB GB TB PB'); |
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for ($i = 0; $size > $mod; ++$i) { |
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$size /= $mod; |
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} |
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return round($size, 2).' '.$units[$i]; |
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} |
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/** |
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* Append a file extension to a path/file if there is no or an empty extension provided, this |
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* helper methods is used to make sure the right extension existing on files. |
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* |
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* @param string $file The file where extension should be append if not existing |
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* @param string $extension |
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* @return the ensured file/path with extension |
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*/ |
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public static function ensureExtension($file, $extension) |
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{ |
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$info = pathinfo($file); |
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if (!isset($info['extension']) || empty($info['extension'])) { |
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$file = rtrim($file, '.') . '.' . $extension; |
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} |
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return $file; |
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} |
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/** |
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* Get extension and name from a file for the provided source/path of the file. |
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* |
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* @param string $sourceFile The path of the file |
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* @return object With extension and name keys. |
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*/ |
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public static function getFileInfo($sourceFile) |
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{ |
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$path = pathinfo($sourceFile); |
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return (object) [ |
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'extension' => isset($path['extension']) ? (empty($path['extension']) ? false : $path['extension']) : false, |
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'name' => isset($path['filename']) ? $path['filename'] : false, |
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]; |
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} |
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/** |
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* Generate a md5 hash of a file. This is eqauls to `md5sum` command |
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* |
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* @param string $sourceFile The path to the file |
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* @return false|string Returns false or the md5 hash of this file |
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*/ |
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public static function getFileHash($sourceFile) |
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{ |
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return file_exists($sourceFile) ? hash_file('md5', $sourceFile) : false; |
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} |
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/** |
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* Basic helper method to write files with exception capture |
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* |
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* @param string $fileName The path to the file with file name |
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* @param string $content The content to store in this File |
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* @return boolean |
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*/ |
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public static function writeFile($fileName, $content) |
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{ |
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try { |
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return file_put_contents($fileName, $content); |
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} catch (Exception $error) { |
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return false; |
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} |
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} |
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} |
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luyadev /
luya
