3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $one = Array ( 4 => 'bim', 5 => 'pow', 6 => 'foo' ); $two = Array ( 'n' => Array ( 0 => 1 ), 'm' => Array ( 0 => 1, 1 => 2 ), 'l' => Array ( 0 => 1, 1 => 4, 2 => 64 ) ); $result = array(); while((list($oneKey, $oneValue) = each($one)) && (list($twoKey, $twoValue) = each($two))) { $temp = array(); foreach($twoValue as $item) { $temp[] = $twoKey.'-'.$item; } $result[] = $oneValue.' '.join(' ', $temp); }; $result = join(', ', $result); var_dump($result);
Output for 4.3.0 - 7.1.0
string(41) "bim n-1, pow m-1 m-2, foo l-1 l-4 l-64"