What is the subscript of $tg['x']='b';?

$tg[]='q';
$tg['x']='b';
$tg[]='g';
? >

What is the subscript of $tg['x']='b';? Can it only be ‘x’? How is it arranged in the array?

Reply content:

$tg[]='q';
$tg['x']='b';
$tg[]='g';
? >

What is the subscript of $tg['x']='b';? Can it only be ‘x’? How is it arranged in the array?

php > $tg[]='q';
php > $tg['x']='b';
php > $tg[]='g';
php > print_r($tg);
Array
(
    [0] => q
    [x] => b
    [1] => g
)

The subscript is x, the second digit of the array

Didn’t you specify the subscript?