<?php
 namespace TechOnline\Utils; class FileUtil { public static function mime($type) { static $mimeMap = [ 'png' => 'image/png', 'gif' => 'image/gif', 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', ]; $type = strtolower($type); return isset($mimeMap[$type]) ? $mimeMap[$type] : null; } public static function extension($pathname) { $ext = strtolower(pathinfo($pathname, PATHINFO_EXTENSION)); $i = strpos($ext, '?'); if (false !== $i) { return substr($ext, 0, $i); } return $ext; } public static function arrayToCSVString($list) { $lines = []; foreach ($list as $item) { $line = []; foreach ($item as $v) { $line[] = '"' . str_replace('"', '""', $v) . '",'; } $lines[] = join("", $line); } return chr(239) . chr(187) . chr(191) . join("\r\n", $lines); } public static function listAllFiles($dir, $filter = null, &$results = array(), $prefix = '') { $files = self::listFiles($dir, '*|.*'); foreach ($files as $file) { if (null !== $filter && !$filter($file)) { continue; } if ($file['isDir']) { self::listAllFiles($file['path'] . '/' . $file['filename'], $filter, $results, $prefix ? $prefix . DIRECTORY_SEPARATOR . $file['filename'] : $file['filename']); } $file['filename'] = $prefix ? $prefix . DIRECTORY_SEPARATOR . $file['filename'] : $file['filename']; $results[] = $file; } return $results; } public static function listFiles($filename, $pattern = '*') { if (strpos($pattern, '|') !== false) { $patterns = explode('|', $pattern); } else { $patterns [0] = $pattern; } $i = 0; $dir = array(); if (is_dir($filename)) { $filename = rtrim($filename, '/') . '/'; } foreach ($patterns as $pattern) { $list = glob($filename . $pattern); if ($list !== false) { foreach ($list as $file) { $f = basename($file); if ($f === '..' || $f === '.') { continue; } $dir [$i] ['filename'] = $f; $dir [$i] ['path'] = dirname($file); $dir [$i] ['pathname'] = realpath($file); $dir [$i] ['owner'] = fileowner($file); $dir [$i] ['perms'] = substr(base_convert(fileperms($file), 10, 8), -4); $dir [$i] ['atime'] = fileatime($file); $dir [$i] ['ctime'] = filectime($file); $dir [$i] ['mtime'] = filemtime($file); $dir [$i] ['size'] = filesize($file); $dir [$i] ['type'] = filetype($file); $dir [$i] ['ext'] = is_file($file) ? strtolower(substr(strrchr(basename($file), '.'), 1)) : ''; $dir [$i] ['isDir'] = is_dir($file); $dir [$i] ['isFile'] = is_file($file); $dir [$i] ['isLink'] = is_link($file); $dir [$i] ['isReadable'] = is_readable($file); $dir [$i] ['isWritable'] = is_writable($file); $i++; } } } $cmp_func = create_function('$a,$b', '
        if( ($a["isDir"] && $b["isDir"]) || (!$a["isDir"] && !$b["isDir"]) ){
            return  $a["filename"]>$b["filename"]?1:-1;
        }else{
            if($a["isDir"]){
                return -1;
            }else if($b["isDir"]){
                return 1;
            }
            if($a["filename"]  ==  $b["filename"])  return  0;
            return  $a["filename"]>$b["filename"]?-1:1;
        }
        '); usort($dir, $cmp_func); return $dir; } public static function name($pathname) { return strtolower(pathinfo($pathname, PATHINFO_BASENAME)); } public static function formatByte($bytes, $decimals = 2) { $size = sprintf("%u", $bytes); if ($size == 0) { return ("0 Bytes"); } $units = array(" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB"); return round($size / pow(1024, ($i = floor(log($size, 1024)))), $decimals) . $units[$i]; } public static function formattedSizeToBytes($size_str) { $size_str = strtolower($size_str); $unit = preg_replace('/[^a-z]/', '', $size_str); $value = floatval(preg_replace('/[^0-9.]/', '', $size_str)); $units = array('b' => 0, 'kb' => 1, 'mb' => 2, 'gb' => 3, 'tb' => 4, 'k' => 1, 'm' => 2, 'g' => 3, 't' => 4); $exponent = isset($units[$unit]) ? $units[$unit] : 0; return ($value * pow(1024, $exponent)); } public static function getAndEnsurePathnameFolder($pathname) { $base = dirname($pathname); if (!file_exists($base)) { @mkdir($base, 0755, true); } return trim($base, '/') . '/'; } public static function getPathnameFilename($pathname, $extension = true) { $pathInfo = pathinfo($pathname); return ($extension ? $pathInfo['basename'] : $pathInfo['filename']); } public static function ensureFilepathDir($pathname) { $dir = dirname($pathname); if (!file_exists($dir)) { @mkdir($dir, 0755, true); } } public static function number2dir($id, $depth = 3) { $width = $depth * 3; $idFormated = sprintf('%0' . $width . 'd', $id); $dirs = []; for ($i = 0; $i < $depth; $i++) { $dirs[] = substr($idFormated, $i * 3, 3); } return join('/', $dirs); } public static function copy($src, $dst, $replaceExt = null) { if (is_file($src)) { if (null !== $replaceExt && file_exists($dst)) { @rename($dst, $dst . $replaceExt); } if (!file_exists($dir = dirname($dst))) { @mkdir($dir, 0755, true); } copy($src, $dst); return; } $src = rtrim($src, '/') . '/'; $dst = rtrim($dst, '/') . '/'; $dir = opendir($src); @mkdir($dst, 0755, true); while (false !== ($file = readdir($dir))) { if (($file != '.') && ($file != '..')) { if (is_dir($src . $file)) { self::copy($src . $file . '/', $dst . $file . '/', $replaceExt); } else { if (null !== $replaceExt && file_exists($dst . $file)) { @rename($dst . $file, $dst . $file . $replaceExt); } copy($src . $file, $dst . $file); } } } closedir($dir); } public static function rm($dir, $removeSelf = true) { if (is_dir($dir)) { $dh = opendir($dir); while (($file = readdir($dh)) !== false) { if ($file != "." && $file != "..") { $fullPath = rtrim($dir, '/') . '/' . $file; if (is_dir($fullPath)) { self::rm($fullPath, true); } else { @unlink($fullPath); } } } closedir($dh); if ($removeSelf) { @rmdir($dir); } } else { @unlink($dir); } return true; } } 