- print_r: documentation ( source)
<?php
$questanswer = 'happy all';
$wlist = array(
array (4),
array ('myself', 'labor', 'fresh', 'dollars', 'rose', 'quantity', 'mass', 'practices', 'therapy')
);
$searchindex = 1;
//convert object to array
$convert = (array)$wlist;
//now add the answer to it
$convert[$searchindex][] = $questanswer;
print_r($convert);