Here is my array which i want in single column with key.
Array
(
[0] => Array
(
[9] => $2y$10$eP7dUFBqeCZItMg2A8cSFufAi7UC0OfKjzfpkohOAD/lHBsoM6tFu
)
[1] => Array
(
[76] => $2y$10$DZn/JI0.2HV6DHA9CfEWZ.9MoNNkIKozTURcA5vOTVUE8O8uaBF3.
)
[2] => Array
(
[7] => $2y$10$gSAtgpFVjhcMk2CAaLOuvOle3dkNqltZOu1I.0NzxOJT/COnu8evq
)
[3] => Array
(
[82] => $2y$10$B9vG6uBHY004Xn0s2TGkkuRJfuE1wlNqmuQno5ZWqjlwbObMohH5O
)
I need this array in single column lik
Array(
[9]=> $2y$10$eP7dUFBqeCZItMg2A8cSFufAi7UC0OfKjzfpkohOAD/lHBsoM6tFu
[76]=> $2y$10$DZn/JI0.2HV6DHA9CfEWZ.9MoNNkIKozTURcA5vOTVUE8O8uaBF3.
[7]=>$2y$10$gSAtgpFVjhcMk2CAaLOuvOle3dkNqltZOu1I.0NzxOJT/COnu8evq
[82]=> $2y$10$B9vG6uBHY004Xn0s2TGkkuRJfuE1wlNqmuQno5ZWqjlwbObMohH5O
)
I try to flatten array but it not show 0,1,2,3 keys in array.