Group - maximiliamus/weby-sloth GitHub Wiki

Operation also known as "group by".

Separates data into groups, which can be aggregated with provided functions.

$sloth = Sloth::from($data)
    ->group('foo');

$sloth->print();

foo
one
two

print_r($sloth->fetch());

Array
(
    [0] => Array
    (
        [foo] => one
    )
    [1] => Array
    (
        [foo] => two
    )
)

$sloth = Sloth::from($data)
    ->group('foo')
    ->count('*');

$sloth->print();

foo     *
one     4
two     5

print_r($sloth->fetch());

Array
(
    [0] => Array
    (
        [foo] => one
        [*] => 4
    )
    [1] => Array
    (
        [foo] => two
        [*] => 5
    )
)

$sloth = Sloth::from($data)
    ->group('foo', 'baz')
    ->count();

$sloth->print();

foo     baz
one     3
two     4

print_r($sloth->fetch());

Array
(
    [0] => Array
    (
        [foo] => one
        [baz] => 3
    )
    [1] => Array
    (
        [foo] => two
        [baz] => 4
    )
)