Артур

$_buf = array(
  "LINK.USLUGI" => "/page/uslugi",
  "LINK.CONTACT" => "/contact",
  "EMAIL" => "email@domain.zone",
  "TG.CANNEL" => "https://t.me/cannel",
  "TG.PERS" => "https://t.me/",
  "VK.PERS" => "https://vk.com/id",
  "VK.GROUP" => "https://vk.com/group"
);

$buffer = ob_get_contents();
foreach($_buf as $k => $v)
{
    $buffer = str_replace("{{ {$k} }}", $v, $buffer);
}

ob_end_clean();
echo $buffer;

<?php

function numberOfDecimals($value)
{
    if ((int)$value == $value)
    {
        return 0;
    }
    else if (! is_numeric($value))
    {
        // throw new Exception('numberOfDecimals: ' . $value . ' is not a number!');
        return false;
    }

    return strlen($value) - strrpos($value, '.') - 1;
}

function roulette($items)
{
	$sumOfPercents = 0;
	foreach($items as $itemsPercent)
	{
		$sumOfPercents += $itemsPercent;
	}

	$decimals = numberOfDecimals($sumOfPercents);
	$multiplier = 1;
	for ($i=0; $i < $decimals; $i++) 
	{ 
		$multiplier *= 10;
	}

    $sumOfPercents *= $multiplier;
	$rand = rand(1, $sumOfPercents);
	//echo "max percent = {$sumOfPercents}\n";
	//echo "rand = $rand\n";
	
	$rangeStart = 1;
	foreach($items as $itemKey => $itemsPercent)
	{
		$rangeFinish = $rangeStart + ($itemsPercent * $multiplier);
		//echo "$itemKey in [$rangeStart, $rangeFinish]\n";
		if($rand >= $rangeStart && $rand <= $rangeFinish)
		{
			return $itemKey;
		}

		$rangeStart = $rangeFinish + 1;
	}

}


$items = array('item-1' => 0.25, 'item-2' => 0.5, 'item-3' => 5, 'item-4' => 4.25333);
echo roulette($items);

<script>
    var error = document.querySelector('#result');
    if (error.querySelector('.success, .error') != null) {
    
    var type = error.querySelector('.success, .error').className;
    
    console.log(type);
    
    //$('#error').css("opacity","1").css("z-index","100000");
    
 swal({
 position: 'center',
 type: type, 
 title: '<?php if ($this->error) echo $this->error; ?>',
 showConfirmButton: false,
 timer: 2500
})
</script>

$de_donat = new \app\models\donat();
$dechart = $de_donat->getUserDonat($this->usid, 5, 5);
foreach($dechart as $v) {
    $data[] = $v->sum;
}
echo json_encode($data)."<br>";

var $data;
    $data = $('#mlog').serialize();

.removeClass("hidden_toast").addClass("visible_toast");

$('#Login').click(function(e) {
    e.preventDefault();
    $.ajax({
      url: "/ajax/manager.php?p=1",
      type: 'post',
      data: $('#mlog').serialize(),
      success: function(result) {
        $('#hum').html(result);
        $("#toast-container")
            .removeClass("hidden")
            .delay(3000)
            .fadeOut(500, function(){ // on complete
                $("#hum").html('');
            });
        }
    });
})

var tRish = "tits_rish_a1 tits_rish_a2 tits_rish_a3";
var tRishClasses = tRish.split(' ').map(e=>'.' + e).join(', '); // список классов .tits_rish_a1, .tits_rish...
var tClick = "#tits_click_a1, #tits_click_a2, #tits_click_a3";
$(function() {
	
	function onClick(e) {
		var n = (n = this.id.match(/b(\d+)/)) ? n[1] : null; // n == 1, 2 или 3
		if(!n) return;
		
		$(tClick).removeClass(tRish).addClass( 'tits_rish_a' + n);
		// $(tClick).attr('id', 'tits_click_a' + n); // id менять некошерно!
		$(tRishClasses).attr('style', '');
	}
	
	$('#b1, #b2, #b3').on('click', onClick);
});

$date = date_create('2016-09-29');
echo date_format($date, 'd F Y');

RewriteRule ^site.php/(\d+)?$ index.php?nav=site&id=$1 [L]
RewriteRule ^site.php/(\d+)/(\d+)$ index.php?nav=site&id=$1&rat=$2 [L]

SELECT * FROM (SELECT * FROM tablename ORDER BY id DESC LIMIT 5) AS t ORDER BY RAND() LIMIT 1;

<?
$r = array();
$d = array();
$query = $mysqli->query("SELECT * FROM history WHERE id2='1'");
while ($set = $query->fetch_array()) {
  $r[] = $set['sum'];
  $d[] = '"'.date("d.m", $set['time']).'"';
  
}
$dt = implode(", ", $d);
$str = implode(", ", $r);
?>
var myArr = [<?=$str?>];
var Date = [<?=$dt?>];