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run code in 150+ php & hhvm versions
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<?php $a = array(array(1, 2), array(3, 4), array(5)); function get_combinations($arrays) { $result = array(array()); $count = count($arrays); $first_array = $arrays[0]; if($count > 2) { $array_merg = get_combinations(array_slice($arrays, 1)); } else { $array_merg = $arrays[1]; } $tmp = array(); foreach($first_array as $ foreach($array_merg as $arele2) { if(is_array($arele2)) { $tmp[] = array_merge(array($arele1),$arele2); } else { $tmp[] = array($arele1,$arele2); } print_r($ return $tmp; } var_dump(get_combinations($a));
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected 'foreach' (T_FOREACH), expecting variable (T_VARIABLE) or '$' in /in/Dq5en on line 17
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_FOREACH, expecting T_VARIABLE or '$' in /in/Dq5en on line 17
Process exited with code 255.