C:/xampp/htdocs/moodle/lib/minify/lib/Solar/Dir.php

Go to the documentation of this file.

<?php
class Solar_Dir {
    
    protected static $_tmp;
    
    public static function exists($dir)
    {
        // no file requested?
        $dir = trim($dir);
        if (! $dir) {
            return false;
        }
        
        // using an absolute path for the file?
        // dual check for Unix '/' and Windows '\',
        // or Windows drive letter and a ':'.
        $abs = ($dir[0] == '/' || $dir[0] == '\\' || $dir[1] == ':');
        if ($abs && is_dir($dir)) {
            return $dir;
        }
        
        // using a relative path on the file
        $path = explode(PATH_SEPARATOR, ini_get('include_path'));
        foreach ($path as $base) {
            // strip Unix '/' and Windows '\'
            $target = rtrim($base, '\\/') . DIRECTORY_SEPARATOR . $dir;
            if (is_dir($target)) {
                return $target;
            }
        }
        
        // never found it
        return false;
    }
    
    public static function fix($dir)
    {
        $dir = str_replace('/', DIRECTORY_SEPARATOR, $dir);
        return rtrim($dir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
    }
    
    public static function name($file, $up = 0)
    {
        $dir = dirname($file);
        while ($up --) {
            $dir = dirname($dir);
        }
        return $dir;
    }
    
    public static function tmp($sub = '')
    {
        // find the tmp dir if needed
        if (! Solar_Dir::$_tmp) {
            
            // use the system if we can
            if (function_exists('sys_get_temp_dir')) {
                $tmp = sys_get_temp_dir();
            } else {
                $tmp = Solar_Dir::_tmp();
            }
            
            // remove trailing separator and save
            Solar_Dir::$_tmp = rtrim($tmp, DIRECTORY_SEPARATOR);
        }
        
        // do we have a subdirectory request?
        $sub = trim($sub);
        if ($sub) {
            // remove leading and trailing separators, and force exactly
            // one trailing separator
            $sub = trim($sub, DIRECTORY_SEPARATOR)
                 . DIRECTORY_SEPARATOR;
        }
        
        return Solar_Dir::$_tmp . DIRECTORY_SEPARATOR . $sub;
    }
    
    protected static function _tmp()
    {
        // non-Windows system?
        if (strtolower(substr(PHP_OS, 0, 3)) != 'win') {
            $tmp = empty($_ENV['TMPDIR']) ? getenv('TMPDIR') : $_ENV['TMPDIR'];
            if ($tmp) {
                return $tmp;
            } else {
                return '/tmp';
            }
        }
        
        // Windows 'TEMP'
        $tmp = empty($_ENV['TEMP']) ? getenv('TEMP') : $_ENV['TEMP'];
        if ($tmp) {
            return $tmp;
        }
    
        // Windows 'TMP'
        $tmp = empty($_ENV['TMP']) ? getenv('TMP') : $_ENV['TMP'];
        if ($tmp) {
            return $tmp;
        }
    
        // Windows 'windir'
        $tmp = empty($_ENV['windir']) ? getenv('windir') : $_ENV['windir'];
        if ($tmp) {
            return $tmp;
        }
    
        // final fallback for Windows
        return getenv('SystemRoot') . '\\temp';
    }
}