--TEST-- "empty" test --TEMPLATE-- {{ string_empty is empty ? 'ok' : 'ko' }} {{ string_zero is empty ? 'ko' : 'ok' }} {{ value_null is empty ? 'ok' : 'ko' }} {{ value_false is empty ? 'ok' : 'ko' }} {{ value_int_zero is empty ? 'ko' : 'ok' }} {{ array_empty is empty ? 'ok' : 'ko' }} {{ array_not_empty is empty ? 'ko' : 'ok' }} {{ magically_callable is empty ? 'ko' : 'ok' }} {{ countable_empty is empty ? 'ok' : 'ko' }} {{ countable_not_empty is empty ? 'ko' : 'ok' }} {{ tostring_empty is empty ? 'ok' : 'ko' }} {{ tostring_not_empty is empty ? 'ko' : 'ok' }} {{ markup_empty is empty ? 'ok' : 'ko' }} {{ markup_not_empty is empty ? 'ko' : 'ok' }} --DATA-- return [ 'string_empty' => '', 'string_zero' => '0', 'value_null' => null, 'value_false' => false, 'value_int_zero' => 0, 'array_empty' => [], 'array_not_empty' => [1, 2], 'magically_callable' => new MagicCallStub(), 'countable_empty' => new CountableStub([]), 'countable_not_empty' => new CountableStub([1, 2]), 'tostring_empty' => new ToStringStub(''), 'tostring_not_empty' => new ToStringStub('0' /* edge case of using "0" as the string */), 'markup_empty' => new \Twig\Markup('', 'UTF-8'), 'markup_not_empty' => new \Twig\Markup('test', 'UTF-8'), ] --EXPECT-- ok ok ok ok ok ok ok ok ok ok ok ok ok ok