function twig_test_empty in Translation template extractor 6.3

Same name and namespace in other branches

1. 7.3 vendor/Twig/Extension/Core.php \twig_test_empty()

Checks if a variable is empty.

<pre> {# evaluates to true if the foo variable is null, false, or the empty string #} {% if foo is empty %} {# ... #} {% endif %} </pre>

Parameters

mixed $value A variable:

Return value

bool true if the value is empty, false otherwise

1 call to twig_test_empty()

_twig_default_filter in vendor/Twig/Extension/Core.php

1 string reference to 'twig_test_empty'

Twig_Extension_Core::getTests in vendor/Twig/Extension/Core.php

Returns a list of tests to add to the existing list.

File

vendor/Twig/Extension/Core.php, line 1373

Code

function twig_test_empty($value) {
  if ($value instanceof Countable) {
    return 0 == count($value);
  }
  return '' === $value || false === $value || null === $value || array() === $value;
}