when using variable: Fatal error: Cannot use string offset as an array

Question

The following piece of code:

$field = 'field_total_comments_added';
$current_user_count = $user_data->$field['und']['0']['value'];

returns an error: Fatal error: Cannot use string offset as an array

if I just use:

$current_user_count = $user_data->field_total_comments_added['und']['0']['value'];

the code works just fine. In order to use some custom functionality I have to use the variable displayed in the first code block. How can I solve this?

Please tell me if the problem isn't clear to you.

Thanks in advance for your assistance

mario · Accepted Answer · 2012-11-12 22:37:34Z

7

You can use this common workaround:

$current_user_count = $user_data->{$field}['und']['0']['value'];

Which basically forces the variable property name to have precedence over the array access operator.

answered Nov 12, 2012 at 22:37

mario

146k20 gold badges243 silver badges293 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

meustrus · Accepted Answer · 2012-11-12 22:33:50Z

1

Try:

$field = 'field_total_comments_added';
$current_user_count = ($user_data->$field)['und']['0']['value'];

It might only work for PHP 5.4. For earlier versions, also try:

$field = 'field_total_comments_added';
$item = $user_data->$field;
$current_user_count = $item['und']['0']['value'];

answered Nov 12, 2012 at 22:33

meustrus

7,4416 gold badges48 silver badges56 bronze badges

Collectives™ on Stack Overflow

when using variable: Fatal error: Cannot use string offset as an array

2 Answers 2

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related