Testing - PHP OOP

Gym Records

Top Ten Exercises (1)

Array
(
    [0] => Array
        (
            [exercise] => Flat barbell bench press
            [count(exercise)] => 2392
        )

    [1] => Array
        (
            [exercise] => Squats
            [count(exercise)] => 1327
        )

    [2] => Array
        (
            [exercise] => Single arm tricep extensions
            [count(exercise)] => 999
        )

    [3] => Array
        (
            [exercise] => Deadlift
            [count(exercise)] => 903
        )

    [4] => Array
        (
            [exercise] => Concentration curls
            [count(exercise)] => 586
        )

    [5] => Array
        (
            [exercise] => Barbell curls, preacher bench
            [count(exercise)] => 477
        )

    [6] => Array
        (
            [exercise] => Dumbell lateral raises
            [count(exercise)] => 438
        )

    [7] => Array
        (
            [exercise] => Dumbell curls, preacher bench
            [count(exercise)] => 393
        )

    [8] => Array
        (
            [exercise] => Machine row
            [count(exercise)] => 382
        )

    [9] => Array
        (
            [exercise] => Incline dumbell bench press
            [count(exercise)] => 265
        )

)
Array
(
    [0] => Flat barbell bench press
    [1] => Squats
    [2] => Single arm tricep extensions
    [3] => Deadlift
    [4] => Concentration curls
    [5] => Barbell curls, preacher bench
    [6] => Dumbell lateral raises
    [7] => Dumbell curls, preacher bench
    [8] => Machine row
    [9] => Incline dumbell bench press
)
Eureka
Flat barbell bench press
Squats
Single arm tricep extensions
Deadlift
Concentration curls
Barbell curls, preacher bench
Dumbell lateral raises
Dumbell curls, preacher bench
Machine row
Incline dumbell bench press

Source:
How to get an array of specific "key" in multidimensional array without looping Stack Overflow