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<?php
class System {
public static function quantDec($num, $word) {
$col = intval($num);
$rest = substr($col, -1);
if ($col > 10 && $col < 20) {
$res = trim($word[2]);
} elseif ($rest > 1 && $rest < 5) {
$res = trim($word[1]);
} elseif ($rest == 1) {
$res = trim($word[0]);
} else {
$res = trim($word[2]);
}
return $num . ' ' . $res;
}
public static function time($var) {
$date = date('d.m.Y', $var);
$time = date('H:i', $var);
$hour = date('H', $var);
$minut = date('i', $var);
if ($date == date('d.m.Y'))
{
if ($time == date('H:i'))
{
$full_time = 'Только что';
}
elseif ($hour == date('H'))
{
$full_time = self::quantDec(date('i') - $minut, ['минуту', 'минуты', 'минут']) . ' назад';
}
else
{
$full_time = date('Сегодня в H:i', $var);
}
}
elseif ($date == date('d.m.Y', time() - 3600 * 24))
{
$full_time = date('Вчера в H:i', $var);
}
elseif ($date == date('d.m.Y', time() - 3600 * 24 * 2))
{
$full_time = date('Позавчера в H:i', $var);
}
elseif ($date == date('d.m.Y', time() + 3600 * 24))
{
$full_time = date('Завтра в H:i', $var);
}
elseif ($date == date('d.m.Y', time() + 3600 * 24 * 2))
{
$full_time = date('Послезавтра в H:i', $var);
}
else
{
$full_time = date('d.m.Y в H:i', $var);
}
return $full_time;
}
public function createZip($files = array(),$destination = '',$overwrite = false) {
//if the zip file already exists and overwrite is false, return false
if(file_exists($destination) && !$overwrite) { return false; }
//vars
$valid_files = array();
//if files were passed in...
if(is_array($files)) {
//cycle through each file
foreach($files as $file) {
//make sure the file exists
if(file_exists($file)) {
$valid_files[] = $file;
}
}
}
//if we have good files...
if(count($valid_files)) {
//create the archive
$zip = new ZipArchive();
if($zip->open($destination,$overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) !== true) {
return false;
}
//add the files
foreach($valid_files as $file) {
$zip->addFile($file,$file);
}
//debug
//echo 'The zip archive contains ',$zip->numFiles,' files with a status of ',$zip->status;
//close the zip -- done!
$zip->close();
//check to make sure the file exists
return file_exists($destination);
}
else
{
return false;
}
}
public function protect(string $str)
{
if(!empty(trim($str)))
{
return htmlspecialchars(trim($str));
}
else return false;
}
public function isAjax()
{
return (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && !empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest' ? true : false);
}
}
?>