The array_key_exist method can be used to validate is a key exist with an array. The result is true if the key is found and false if the key does not exist.
The array_key_exist method can be used to validate is a key exist with an array. The result is true if the key is found and false if the key does not exist.
array_key_exist
{{"text"|array_key_exist:$array}}
Examples
{{$array = ["Newsletter" => "1", "Service email" => "0", "Review email" => "1"]}}
{{if "Newsletter"|array_key_exist:$array && $array['Newsletter'] eq 1}}
The customer is subscribed to the newsletter!
{{else}}
Sadly no newsletter subscription
{{/if}}
Outcome:
The customer is subscribed to the newsletter!