Project Euler - Problem 1

multipleof3and5.php

<?php
$numbers = array();

/* Get all multiples of 3 and 5 */

for($i = 1; $i < 1000; $i++) {
	if ($i % 3 == 0 || $i % 5 == 0) {
		$numbers[] = $i;
	}
}

/* Get the sum of them */

$output = 0;

foreach($numbers as $number) {
	$output += $number; 
}

echo $output;