Asserts argument can be traversed with foreach.

Parameters

mixed $traversable: Variable to be examined.

Return value

bool TRUE if $traversable can be traversed with foreach.

1 call to Inspector::assertTraversable()

InspectorTest::testAssertTraversable in core/tests/Drupal/Tests/Component/Assertion/InspectorTest.php

Tests asserting argument is an array or traversable object.

File

core/lib/Drupal/Component/Assertion/Inspector.php, line 30

Class

Inspector

Generic inspections for the assert() statement.

Namespace

Drupal\Component\Assertion

Code

public static function assertTraversable($traversable) {
  return is_array($traversable) || $traversable instanceof \Traversable;
}

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