Pass the Zend PHP and Zend Framework Certifications 200-550 Questions and answers with ExamsMirror

Which sentence describes the following regular expression match?

preg_match('/^\d+(?:\.[0-9]+)?$/', $test);

What is the output of the following code?

function increment ($val)

{

++$val;

}

$val = 1;

increment ($val);

echo $val;

What is the output of the following code?

var_dump(boolval([]));

Under what condition may HTTP headers be set from PHP if there is content echoed prior to the header function being used?

You want to parse a URL into its single parts. Which function do you choose?

Which php.ini setting is usually required to use an opcode cache?

Please provide the name of the super-global variable where all the information about cookies is available.

What function allows resizing of PHP's file write buffer?

The constructs for(), foreach(), and each() can all be used to iterate an object if the object...

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);