multi dimensional array example
C:\wamp64\www\myNerdvtest\api\teachers\posts.php:146: array (size=5) 0 => array (size=4) 'id' => int 1 'age' => int 20 'class' => string 's4' (length=2) 'else' => string 'no more' (length=7) 1 => array (size=4) 'id' => int 2 'age' => int 23 'class' => string 's5' (length=2) 'else' => string 'no more' (length=7) 2 => array (size=4) 'id' => int 3 'age' => int 19 'class' => string 's3' (length=2) 'else' => string 'sturbon' (length=7) 3 => array (size=4) 'id' => int 4 'age' => int 27 'class' => string 's6' (length=2) 'else' => string 'aahhh' (length=5) 4 => array (size=4) 'id' => int 5 'age' => int 20 'class' => string 's6' (length=2) 'else' => string 'humble' (length=6)