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<?php |
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/** |
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* Working with files |
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* |
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* PHP Version 5 |
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* |
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* @category Core |
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* @package Files |
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* @author Hans-Joachim Piepereit <[email protected]> |
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* @copyright 2013 cSphere Team |
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* @license http://opensource.org/licenses/bsd-license Simplified BSD License |
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* @link http://www.csphere.eu |
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**/ |
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namespace csphere\core\files; |
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/** |
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* Working with files |
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* |
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* @category Core |
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* @package Files |
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* @author Hans-Joachim Piepereit <[email protected]> |
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* @copyright 2013 cSphere Team |
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* @license http://opensource.org/licenses/bsd-license Simplified BSD License |
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* @link http://www.csphere.eu |
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**/ |
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class File |
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{ |
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/** |
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* Content of a directory as an array |
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* |
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* @param string $path Target directory with full path |
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* @param boolean $desc Whether to list files in descending order |
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* @param array $remove List of files to remove |
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* |
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* @return array |
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**/ |
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public static function search($path, $desc = false, array $remove = []) |
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{ |
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// Directories should always end with a slash |
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$dir = rtrim($path, '\/') . '/'; |
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// If it is not a directory use an empty array |
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$scandir = is_dir($dir) ? scandir($dir) : []; |
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$scandir = array_flip($scandir); |
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// Remove given entries |
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unset($scandir['.'], $scandir['..'], $scandir['.DS_Store'], $scandir['.svn']); |
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foreach ($remove AS $name) { |
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unset($scandir[$name]); |
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} |
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// Reverse order if requested |
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if ($desc == true) { |
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krsort($scandir); |
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} |
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$scandir = array_keys($scandir); |
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return $scandir; |
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} |
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/** |
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* Size of a file as a readable string number from Byte to TiB |
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* |
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* @param int $size Size of file in Bytes |
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* @param int $float Digits after the dot in resulting float |
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* @param boolean $short Defaults to true which shortens high values |
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* |
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* @return string |
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**/ |
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public static function size($size, $float = 3, $short = true) |
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{ |
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// Appended to the reduced float to make it more readable |
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$size_names = ['Byte', 'KiB', 'MiB', 'GiB', 'TiB']; |
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$digits = 0; |
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// Determine the best size name |
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while ($size >= 1024 && $digits < 4) { |
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$size = $size / 1024; |
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$digits++; |
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} |
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// Size above 100 should not be a float |
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if (!empty($short) && $size > 100) { |
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$result = round($size); |
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} else { |
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$result = round($size, $float); |
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} |
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return $result . ' ' . $size_names[$digits]; |
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} |
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/** |
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* Mimetype of a file or buffer |
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* |
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* @param string $content File with path or string variable |
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* @param boolean $buffer Use string instead of a file |
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* |
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* @return string |
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**/ |
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public static function type($content, $buffer = false) |
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{ |
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return self::_info($content, $buffer, FILEINFO_MIME_TYPE); |
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} |
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/** |
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* Encoding of a file or buffer |
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* |
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* @param string $content File with path or string variable |
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* @param boolean $buffer Use string instead of a file |
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* |
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* @return string |
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**/ |
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public static function encoding($content, $buffer = false) |
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{ |
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return self::_info($content, $buffer, FILEINFO_MIME_ENCODING); |
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} |
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/** |
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* Mime info of a file or buffer |
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* |
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* @param string $content File with path or string variable |
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* @param boolean $buffer Use string instead of a file |
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* @param integer $option Fileinfo constant |
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* |
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* @return string |
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**/ |
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private static function _info($content, $buffer, $option) |
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{ |
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// Use fileinfo extension for this |
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$flp = finfo_open($option); |
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if ($buffer === false) { |
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$return = finfo_file($flp, $content); |
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} else { |
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$return = finfo_buffer($flp, $content); |
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} |
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finfo_close($flp); |
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return $return; |
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} |
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} |
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