public static function ArrayConfig::isMergable in Little helpers 7.2

Check whether an array is mergable.

Parameters

array $value: The array to check.

Return value

bool TRUE if the array is mergable, otherwise FALSE.

5 calls to ArrayConfig::isMergable()

ArrayConfig::mergeDefaults in src/ArrayConfig.php

Helper functions that recursively merges $defaults into a $config array.

ArrayConfigTest::testMergableAssociativaArray in tests/ArrayConfigTest.php

Test simple associatve arrays are mergable.

ArrayConfigTest::testMergableCheckboxValues in tests/ArrayConfigTest.php

Test that arrays that look like checkbox values are not mergable.

ArrayConfigTest::testMergableMixedArray in tests/ArrayConfigTest.php

Test that mixed arrays are mergable.

ArrayConfigTest::testMergableNumericArray in tests/ArrayConfigTest.php

Test that numeric arrays are not mergable.

File

src/ArrayConfig.php, line 19

Class

ArrayConfig

Helper functions to manage configuration stored in arrays.

Namespace

Drupal\little_helpers

Code

public static function isMergable(array $value) {

  // Short cut for empty arrays.
  if (!$value) {
    return FALSE;
  }

  // Numeric arrays are not mergable.
  if (array_keys($value) === range(0, count($value) - 1)) {
    return FALSE;
  }

  // Arrays that look like checkbox values are not mergable.
  foreach ($value as $k => $v) {
    if ($v !== 0 && $k != $v) {
      return TRUE;
    }
  }
  return FALSE;
}