In php, there is a multi-dimensional array $ B = array (); and a string $ a = '[1] [1]'; is there a way to retrieve the value at the $ a position from $ B?

In php, there is a multi-dimensional array $ barray (); and a string $ a [1] [1]; is there a way to retrieve the value at $ a from $ B? In other words, you can use $ a to represent $ B [1] [1.

Reply to discussion (solution)

$ A is constantly changing. maybe $ a = '[1] [1] [1 ]'.

No, you need to split $ a into arrays and loops. Variable form should not work

$ A = array (1, 2, 3 ));
$ B = '[0] [2]';
$ C = '$ a'. $ B;
Eval ('$ d ='. $ c .';');
Echo $ d;
?>

$ A = array (1, 2, 3 ));
$ B = '[0] [2]';
$ C = '$ a'. $ B;
Eval ('$ d ='. $ c .';');
Echo $ d;
?>

Although eval is disabled, it can only be used in this way. thank you!

I figured it out.

$ B = array (1, 2, 3 ));
$ A = "[0] [2]";
Echo eval ("return \ $ B $ ;");
Exit;
?>