[PHP] Checking if an array key exists

I have a multi-dimensional array. Looks like this: $work_order_hdr = array ('whdr_id'='record_no', 'whdr_order_no'='request_no', 'whdr_site_id'='site_id', 'whdr_user_id'='user_id',

Re: [PHP] Checking if an array key exists

I have a multi-dimensional array. Looks like this: $work_order_hdr = array ('whdr_id'='record_no', 'whdr_order_no'='request_no', 'whdr_site_id'='site_id', 'whdr_user_id'='user_id',