<?php $myarray = array('mykey'=> 'myvalue','key2'=> array(1, 2, 3, 4)); $sub_array[] = 1; $sub_array[] = 2; $sub_array[] = 3; $sub_array[] = 4; $example['mykey'] = 'myvalue'; $example['key2'] = $sub_array; $anotherarray['mykey'] = 'myvalue'; $anotherarray['key2'][] = 1; $anotherarray['key2'][] = 2; $anotherarray['key2'][] = 3; $anotherarray['key2'][] = 4; ?>