Алексей

preg_match_all("/([a-zA-Z]+)(\d+)_(\d+)/", "photo497168837_456241665", $list);
print_r($list);
echo $list[1][0]. ', ';
echo $list[2][0]. ', ';
echo $list[3][0];

var divideSteps = [
	{
		step: 1500,
		price: 2,
	},
	{
		step: 200,
		price: 3,
	},
	{
		step: 500,
		price: 4,
	}
];
var lastStepIndex = divideSteps.length - 1;
var totalItems = 4000;
var fullPrice = 0;
divideSteps.forEach((x,i) => {
	if (i === lastStepIndex) {
		fullPrice += totalItems * x.price;
	} else if (x.step > totalItems) {
		fullPrice += x.step * x.price;
		totalItems -= x.step;
	} else {
		fullPrice += totalItems * x.price;
		totalItems = 0;
	};
});

$i = 0;
foreach ($result['rows'] as $row) {	
	if ($i === 4) {
		echo '<div class="column large-12 list__delimiter"></div>';
		$i = 0;
	} else {
		$i++;
	};
  echo '<div class="list"><img></div>';
};

if (random_int(1, 7) == 7) {

}