Match

No match: 
bool(false)

Single capture: 
string(3) "123"

Associative capture: 
Array
(
    [class] => abc
    [id] => 123
)

Array capture: 
Array
(
    [0] => abc
    [1] => 123
)

Multiline capture: 
Array
(
    [class] => abc
    [id] => 123
    [name] => Name
)

Match All

Single captures: 
Array
(
    [0] => Vjeux
    [1] => Curse
    [2] => Google
)

Array captures: 
Array
(
    [0] => Array
        (
            [0] => http://blog.vjeux.com/
            [1] => Vjeux
        )

    [1] => Array
        (
            [0] => http://www.curse.com/
            [1] => Curse
        )

    [2] => Array
        (
            [0] => http://www.google.com/
            [1] => Google
        )

)

Associative captures: 
Array
(
    [0] => Array
        (
            [link] => http://blog.vjeux.com/
            [name] => Vjeux
        )

    [1] => Array
        (
            [link] => http://www.curse.com/
            [name] => Curse
        )

    [2] => Array
        (
            [link] => http://www.google.com/
            [name] => Google
        )

)