function remains_parse_timestamp($t=0){
	$day=floor($t/86400);
	$hour=($t/3600)%24;
	$min=($t/60)%60;
	return array('day'=>$day,'hour'=>$hour,'min'=>$min);
}
function remains($t){
	$res='';
	if(time()<$t){
		$arr=remains_parse_timestamp($t-time());
		if($arr['day']>0){
			$res.=$arr['day'].' дн. ';
		}
		if($arr['hour']>0||$res!=''){
			$res.=$arr['hour'].' ч. ';
		}
		if($arr['min']>0||$res!=''){
			$res.=$arr['min'].' мин.';
		}
	}
	return $res;
}
echo remains(1504389720);

html_entity_decode($text,ENT_NOQUOTES,'UTF-8')

<meta name="description" content="<?=htmlspecialchars(html_entity_decode($description,ENT_NOQUOTES,'UTF-8'))?>"/>

function conv($l){
	return iconv("utf-8","windows-1251",$l);
}
$array=array('один','два','три');
$new_array=array_map("conv",$array);

$parts=array();
foreach($arr as $item){
	$parts[]=array(
		'name'=>$item['name'],
		'manufacturer'=>$item['maker'],
		'amount'=>$item['quantity'],
		'price'=>$item['price'],
		'term'=>$item['days'],
		'code'=>$item['orderreference'],
	);
}

if(isset($_GET['order'])){
	foreach($parts as $k=>$v){
		$t_price[$k]=$v['price'];
		$t_amount[$k]=$v['amount'];
		$t_term[$k]=$v['term'];
	}
	switch($_GET['order']){
		case 'price':
			array_multisort($t_price,SORT_ASC,$parts);
		break;
		case 'amount':
			array_multisort($t_amount,SORT_ASC,$parts);
		break;
		case 'term':
			array_multisort($t_term,SORT_ASC,$parts);
		break;
	}
}

if(isset($_GET['sort'])){
	foreach($parts as $k=>$v){
		$t_price[$k]=$v['price'];
		$t_amount[$k]=$v['amount'];
		$t_term[$k]=$v['term'];
	}
	$order=($_GET['order']=='desc')?SORT_DESC:SORT_ASC;
	switch($_GET['sort']){
		case 'price':
			array_multisort($t_price,$order,$parts);
		break;
		case 'amount':
			array_multisort($t_amount,$order,$parts);
		break;
		case 'term':
			array_multisort($t_term,$order,$parts);
		break;
	}
}

function clean_notes($text){
	$text=preg_replace("'<style[^>]*?>.*?</style>'si","",$text);
	$text=trim(strip_tags($text));
	if(strlen($text)>0){
		return '<p>'.$text.'</p>';
	}
	return '';
}

session_set_cookie_params(7200,"/",".site.ru",false,false);

$message.='<img src="https://'.$_SERVER['HTTP_HOST'].'/image.php?text='.urlencode('пример текста').'&image=picture_name"/>';

<?php
if($_GET['text']&&$_GET['image']){
	header("Content-type: image/jpeg");
	$bg=$_SERVER['DOCUMENT_ROOT']."/images/".$_GET['image'].".jpg";
	$font=$_SERVER['DOCUMENT_ROOT']."/fonts/font.ttf";
	$picture=imagecreatefromjpeg($bg);
	$center_w=imagesx($picture)/2;
	$center_h=imagesy($picture)/2;
	$color=imagecolorallocate($picture,255,255,255);
	$box=imagettfbbox(9,0,$font,$_GET['text']);
	$left=$center_w-round(($box[2]-$box[0])/2);
	$top=$center_h-round(($box[7]-$box[1])/2);
	imagettftext($picture,9,0,$left,$top,$color,$font,$_GET['text']);
	imagejpeg($picture,null,100);
	imagedestroy($picture);
}
?>