FileUtils.php

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<?php
namespace Ubiquity\devtools\utils;
 
class FileUtils {
    public static function deleteAllFilesFromFolder($folder){
        $files = glob($folder.'/*');
        foreach($files as $file){
            if(is_file($file))
                unlink($file);
        }
    }
 
    public static function openFile($filename){
        if(file_exists($filename)){
            return file_get_contents($filename);
        }
        return false;
    }
 
    public static function writeFile($filename,$data){
        return file_put_contents($filename,$data);
    }
 
    public static function xcopy($source, $dest, $permissions = 0755){
        $path = pathinfo($dest);
        if (!file_exists($path['dirname'])) {
            mkdir($path['dirname'], 0777, true);
        } 
        if (is_link($source)) {
            return symlink(readlink($source), $dest);
        }
        if (is_file($source)) {
            return copy($source, $dest);
        }
        $dir = dir($source);
        while (false !== $entry = $dir->read()) {
            if ($entry == '.' || $entry == '..') {
                continue;
            }
            self::xcopy("$source/$entry", "$dest/$entry", $permissions);
        }
        $dir->close();
        return true;
    }
 
    public static function delTree($dir) {
        $files = array_diff(scandir($dir), array('.','..'));
        foreach ($files as $file) {
            (is_dir("$dir/$file")) ? self::delTree("$dir/$file") : unlink("$dir/$file");
        }
        return rmdir($dir);
    }
 
    public static function safeMkdir($dir){
        if(!is_dir($dir))
            return mkdir($dir,0777,true);
    }
 
    public static function cleanPathname($path){
        if($path!==null & $path!==""){
            if(DS==="/")
                $path=\str_replace("\\", DS, $path);
                else
                    $path=\str_replace("/", DS, $path);
                    $path=\str_replace(DS.DS, DS, $path);
                    if(!substr($path, -1)=== DS){
                        $path=$path.DS;
                    }
        }
        return \realpath($path);
    }
    
    public static function systemCommandExists($command) :bool {
        $windows = \strpos(PHP_OS, 'WIN') === 0;
        $test = $windows ? 'where' : 'command -v';
        $commands=explode("\n",\trim(\shell_exec("$test $command")));
        foreach ($commands as $cmd){
            if($cmd!=null && \file_exists($cmd)){
                return true;
            }
        }
        return false;
    }
}