Zend PHP Certified Engineer Practice Test
PHP certification covering PHP fundamentals, OOP, security, data manipulation, web features, databases, strings, arrays, and PHP best practices. Administered by Zend (Perforce). Key domains include And Other PHP Concepts, Arrays, Data Format and Types and Databases and SQLs.
Sample Questions
Try a few questions to see what the full exam is like.
Which function combines two arrays, treating the first as keys and the second as values?
$json = '{"name":"O\'Reilly"}'; $decoded = json_decode($json, true); echo $decoded['name']; What is printed and what is the escape rule for ' inside JSON strings?
Two traits declare the same method: trait A { public function hello() { return 'A'; } } trait B { public function hello() { return 'B'; } } class C { use A, B { A::hello insteadof B; B::hello as helloB; } } $c = new C(); echo $c->hello() . $c->helloB(); What is the output?
$data = [ ['id' => 3, 'name' => 'c'], ['id' => 1, 'name' => 'a'], ['id' => 2, 'name' => 'b'], ]; usort($data, fn($x, $y) => $x['id'] <=> $y['id']); echo $data[0]['name']; What is printed?
Which PHP function generates cryptographically secure random bytes suitable for tokens, session keys, and CSRF nonces?
Why This Certification Opens Doors
In a field where skill levels vary widely, this certification provides an objective, industry-recognized benchmark. It matters because it moves beyond self-assessment, proving you possess the deep, integrated knowledge required to solve complex problems, write secure code against common vulnerabilities, and understand the language's nuances. For organizations, it reduces hiring risk by identifying developers who can contribute to critical projects with minimal supervision. For the individual, it formalizes experience, enhances professional credibility, and can be a significant differentiator in career advancement or consulting opportunities.