i have array like this
array(
[0] => array(
'name' => 'bob',
'age' => 23,
),
[1] => array(
'name' => 'elly',
'age' => 24,
),
[2] => array(
'name' => 'susan',
'age' => 15,
),
);
how can i get string like "bob, elly, susan". is there a php function for doing this?