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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Holds the PhpMyAdmin\FileListing class * * @package PhpMyAdmin */ declare(strict_types=1); namespace PhpMyAdmin; /** * Functions for listing directories * * @package PhpMyAdmin */ class FileListing { /** * Returns array of filtered file names * * @param string $dir directory to list * @param string $expression regular expression to match files * * @return array|bool sorted file list on success, false on failure */ public function getDirContent(string $dir, string $expression = '') { if (! @file_exists($dir) || ! ($handle = @opendir($dir))) { return false; } $result = []; if (substr($dir, -1) != '/') { $dir .= '/'; } while ($file = @readdir($handle)) { if (@is_file($dir . $file) && ! @is_link($dir . $file) && ($expression == '' || preg_match($expression, $file)) ) { $result[] = $file; } } closedir($handle); asort($result); return $result; } /** * Returns options of filtered file names * * @param string $dir directory to list * @param string $extensions regular expression to match files * @param string $active currently active choice * * @return string|false Html <option> field, false if not files in dir */ public function getFileSelectOptions( string $dir, string $extensions = '', string $active = '' ) { $list = $this->getDirContent($dir, $extensions); if ($list === false) { return false; } $result = ''; foreach ($list as $val) { $result .= '<option value="' . htmlspecialchars($val) . '"'; if ($val == $active) { $result .= ' selected="selected"'; } $result .= '>' . htmlspecialchars($val) . '</option>' . "\n"; } return $result; } /** * Get currently supported decompressions. * * @return string separated list of extensions usable in getDirContent */ public function supportedDecompressions(): string { global $cfg; $compressions = ''; if ($cfg['GZipDump'] && function_exists('gzopen')) { $compressions = 'gz'; } if ($cfg['BZipDump'] && function_exists('bzopen')) { if (! empty($compressions)) { $compressions .= '|'; } $compressions .= 'bz2'; } if ($cfg['ZipDump'] && function_exists('gzinflate')) { if (! empty($compressions)) { $compressions .= '|'; } $compressions .= 'zip'; } return $compressions; } }