The assertContains() is a built in PHP function to test your php based features before deploying the application on your live application. assertContains() function is the inverse of this assertion and takes the same arguments.
Syntax:
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assertArrayHasKey(mixed $key, array $array[, string $message = '']) |
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<?php use PHPUnit\Framework\TestCase; class ArrayHasKeyTest extends TestCase { public function testFailure() { $this->assertArrayHasKey('foo', ['bar' => 'baz']); } } |
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$ phpunit ArrayHasKeyTest PHPUnit 8.4.0 by Sebastian Bergmann and contributors. F Time: 0 seconds, Memory: 5.00Mb There was 1 failure: 1) ArrayHasKeyTest::testFailure Failed asserting that an array has the key 'foo'. /home/sb/ArrayHasKeyTest.php:6 FAILURES! Tests: 1, Assertions: 1, Failures: 1. |
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