function NestedArrayTest::testKeyExists

Tests existence of array key.

File

core/tests/Drupal/Tests/Component/Utility/NestedArrayTest.php, line 136

Class

NestedArrayTest

@coversDefaultClass <a href="/api/drupal/core%21lib%21Drupal%21Component%21Utility%21NestedArray.php/class/NestedArray/11.x" title="Provides helpers to perform operations on nested arrays and array keys of variable depth." class="local">\Drupal\Component\Utility\NestedArray</a> @group Utility

Namespace

Code

public function testKeyExists() : void {
    // Verify that existing key is found.
    $this->assertTrue(NestedArray::keyExists($this->form, $this->parents), 'Nested key found.');
    // Verify that non-existing keys are not found.
    $parents = $this->parents;
    $parents[] = 'foo';
    $this->assertFalse(NestedArray::keyExists($this->form, $parents), 'Non-existing nested key not found.');
}