Contents

<?php
function factors($n)
{
    $factorList = [];
    $limit = sqrt($n) * 10;
    for ($i = 2; $i <= $limit && $n > 1; $i++) {
        while ($n > 1 &&  $n % $i === 0) {
            $factorList[]=$i;
            $n = $n / $i;
        }
    }
    return $factorList;
}

Version data entries

211 entries across 211 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.179	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.178	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.177	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.176	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.175	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.174	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.173	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.172	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.171	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.170	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.169	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.167	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.166	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.165	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.164	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.163	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.162	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.161	tracks/php/exercises/prime-factors/example.php
trackler-2.2.1.160	tracks/php/exercises/prime-factors/example.php