Free 200-550 Exam Questions and Answers | by Exam-Dumps.net (Page: 6)

QUESTION: 26

Which of the following methods are available to limit the amount of resources available to PHP through php.ini? (Choose 2)

Limit the amount of memory a script can consume
Limit the total amount of memory PHP uses on the entire server
Limit the maximum execution time of a script
Limit the maximum number of concurrent PHP processes
Limit the maximum number of concurrent PHP threads

Answer(s): A,C

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Consider the following two files. When you run test.php, what would the output look like?
test.php:
include "MyString.php";
print ", ";
print strlen("Hello world!");
MyString.php:
namespace MyFramework\String;
function strlen($str)
{
return \strlen($str)*2; // return double the string length
}
print strlen("Hello world!")

12, 12
12, 24
24, 12
24, 24
PHP Fatal error: Cannot redeclare strlen()

Answer(s): C

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QUESTION: 28

Which line of code can be used to replace the INSERT comment in order to output "hello"?
class C {
public $ello = 'ello';
public $c;
public $m;
function __construct($y) {
$this->c = static function($f) {
// INSERT LINE OF CODE HERE
};
$this->m = function() {
return "h";
};
}
}
$x = new C("h");
$f = $x->c;
echo $f($x->m);

return $this->m() . "ello";
return $f() . "ello";
return "h". $this->ello;
return $y . "ello";

Answer(s): B

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QUESTION: 29

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);

22333
33222
33322
222333

Answer(s): B

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QUESTION: 30

What is the output of the following code?
$f = function () { return "hello"; };
echo gettype($f);

hello
string
object
function

Answer(s): C

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Zend 200-550 Exam (page: 6)
Zend Certified PHP Engineer
Updated on: 28-Jul-2025

QUESTION: 26

QUESTION: 27

QUESTION: 28

QUESTION: 29

QUESTION: 30

Zend 200-550 Exam (page: 6) Zend Certified PHP Engineer Updated on: 28-Jul-2025

QUESTION: 26

QUESTION: 27

QUESTION: 28

QUESTION: 29

QUESTION: 30

Zend 200-550 Exam (page: 6)
Zend Certified PHP Engineer
Updated on: 28-Jul-2025