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200-550 Practice Questions
Zend Certified PHP Engineer
Last Update 3 days ago
Total Questions : 223
Dive into our fully updated and stable 200-550 practice test platform, featuring all the latest PHP and Zend Framework Certifications exam questions added this week. Our preparation tool is more than just a Zend study aid; it's a strategic advantage.
Our free PHP and Zend Framework Certifications practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about 200-550. Use this test to pinpoint which areas you need to focus your study on.
Is the following code vulnerable to SQL Injection ($mysqli is an instance of the MySQLi class)?
$age = $mysqli->real_escape_string($_GET['age']);
$name = $mysqli->real_escape_string($_GET['name']);
$query = "SELECT * FROM `table` WHERE name LIKE '$name' AND age = $age";
$results = $mysqli->query($query);
What is the output of the following code?
function z($x) {
return function ($y) use ($x) {
return str_repeat($y, $x);
};
}
$a = z(2);
$b = z(3);
echo $a(3) . $b(2);
