- array_combine: documentation ( source)
- print_r: documentation ( source)
- array_merge: documentation ( source)
- array_values: documentation ( source)
- array_keys: documentation ( source)
<?php
$t = array('a' => array(1,2,3));
$t2 = array('a' => array(3,6,7));
$t = array_combine(array_merge(array_keys($t),
array_keys($t2)
),
array_merge(array_values($t),
array_values($t2)
)
);
print_r($t);