PHP Quality Control & Assurance 2

Question 1

Which PHPUnit method asserts that two arrays have identical key-value pairs regardless of order?

Accepted Answer

assertEqualsCanonicalizing()

Answer

assertEqualsCanonicalizing() sorts arrays before comparing so order does not matter.

Question 2

What is the purpose of a code coverage threshold in a CI pipeline?

Accepted Answer

To fail the build when coverage drops below a set percentage

Answer

A coverage threshold causes the CI build to fail if the percentage of covered code falls below the configured minimum.

Question 3

Which Composer script command is commonly used to run PHPStan static analysis?

Accepted Answer

composer analyse

Answer

By convention, projects add a 'analyse' script in composer.json that runs PHPStan, though the name is configurable.

Question 4

In PHP, which function verifies that a value is exactly equal to another value AND of the same type?

Accepted Answer

assertSame() uses ===

Answer

PHPUnit's assertSame() uses strict comparison (===), checking both value and type.

Question 5

What does PHP_CodeSniffer's 'phpcbf' tool do?

Accepted Answer

Automatically fixes coding standard violations

Answer

phpcbf (PHP Code Beautifier and Fixer) automatically corrects many coding standard violations detected by phpcs.

PHP - PHP Programming Language Practice Test