How to convert two dimensional array to one dimensional array in php

You can easily convert your two dimentional array into one dimentional array using following code

Two Dimentional array example :

Array
(
    [0] => Array
        (
            [0] => 70
        )

    [1] => Array
        (
            [0] => 67
        )

    [2] => Array
        (
            [0] => 75
            [1] => 73
            [2] => 68
        )

    [3] => Array
        (
            [0] => 68
        )

    [4] => Array
        (
            [0] => 76
        )

)

Please use this function 

$oneDimensionalArray = array_map('current', $twoDimensionalArray); 

now you will get one dimentional array like below

Array
(
[0] => 70
[1] => 67
[2] => 75
[3] => 73
[4] => 68
[5] => 68
[6] => 76
)

Enjoy ....