Oihana Php Arango

firstList.php

firstList() : string: Return the first alternative that is an array, and null if none of the alternatives is an array.

Return the first alternative that is an array, and null if none of the alternatives is an array.


    
                    firstList(mixed ...$alternative) : string

This helper wraps the ArangoDB AQL function FIRST_LIST().

Example AQL output:

FIRST_LIST(null, null, ["foo"], "bar") // ["foo"]

example

use function oihana\arango\db\functions\firstList;

$expr = firstList('null,doc,["hello"]);
// Produces: 'FIRST_LIST(null,doc,["hello"])'

see

https://docs.arangodb.com/stable/aql/functions/miscellaneous/#first_list

since

1.0.0

author Marc Alcaraz

string —

The formatted AQL expression (e.g. 'FIRST_LIST(alternative,....)').