Filters › join

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Filter join(glue, last):

  • glue: The separator
  • last: The separator for the last pair of input items

The join filter returns a string which is the concatenation of the items of a sequence:

{{ [1, 2, 3]|join }}
{# returns 123 #}

The separator between elements is an empty string per default, but you can define it with the optional first parameter:

{{ [1, 2, 3]|join('|') }}
{# outputs 1|2|3 #}

A second parameter can also be provided that will be the separator used between the last two items of the sequence:

{{ [1, 2, 3]|join(', ', ' and ') }}
{# outputs 1, 2 and 3 #}