what is the output of this code?

array $("$web$"=>94,"$db$"=>96),$

"ali" $=>$array$("$web$"=>98,"$db$"=>92)$

$)$;

while$($ $k$=$ key$($$grds$))\{$

while$($$kk $=$ key$($$grds$[$$k$]))$ echo $grds$[$$k$][$$kk$]."$

$"$;

next$($$grds$)$;

$\}$

$?>$

all the elements of the array

fatal error

the elements of "ali"

the elements of "ahmad"

None of the above