The actual 200-550 computer software associated with Ucertify may check the testee whether to master the Zend Certified PHP Engineer understanding firmly and real solutions. The actual Ucertify 200-550 items are include multiple pick. Prospect can select diverse package products for the 200-550 pdf file or perhaps 200-550 vce computer software based on their very own understanding from the 200-550 circumstance.
2021 Jul 200-550 real exam
Q51. What is the name of the method that can be used to provide read access to virtual properties in a class?
A. call()
B. get()
C. set()
D. wakeup()
E. fetch()
Answer: B
Q52. In the following code, which line should be changed so it outputs the number 2:
class A {
protected $x = array(); /* A */
public function getX() { /* B */ return $this->x; /* C */
}
}
$a = new A(); /* D */
array_push($a->getX(), "one");
array_push($a->getX(), "two"); echo count($a->getX());
A. No changes needed, the code would output 2 as is
B. Line A, to: protected &$x = array();
C. Line B, to: public function &getX() {
D. Line C, to: return &$this->x;
E. Line D, to: $a =& new A();
Answer: C
Q53. Given a PHP value, which sample shows how to convert the value to JSON?
A. $string = json_encode($value);
B. $string = Json::encode($value);
C. $json = new Json($value); $string = $json-> toString();
D. $value = (object) $value; $string = $value-> toJson();
Answer: A
Q54. Which of the following is an invalid DOM save method?
A. save()
B. saveFile()
C. saveXML()
D. saveHTML()
E. saveHTMLFile()
Answer: B
Q55. What purpose do namespaces fulfill?
A. Encapsulation
B. Alternative to classes
C. Improved performance
D. All of the above
Answer: A
Avant-garde 200-550 brain dumps:
Q56. Consider the following table data and PHP code. What is the outcome? Table data (table name "users" with primary key "id"):
id name email
------- ----------- -------------------
1 anna alpha@example.com
2 betty beta@example.org
3 clara gamma@example.net
5 sue sigma@example.info
PHP code (assume the PDO connection is correctly established):
$dsn = 'mysql:host=localhost;dbname=exam'
$user = 'username'
$pass = '********'
$pdo = new PDO($dsn, $user, $pass);
$cmd = "SELECT * FROM users WHERE id = :id";
$stmt = $pdo->prepare($cmd);
$id = 3;
$stmt->bindParam('id', $id);
$stmt->execute();
$stmt->bindColumn(3, $result);
$row = $stmt->fetch(PDO::FETCH_BOUND);
A. The database will return no rows.
B. The value of $row will be an array.
C. The value of $result will be empty.
D. The value of $result will be 'gamma@example.net'.
Answer: D
Q57. Which of the following can be registered as entry points with a SoapServer instance (choose 2):
A. A single function
B. A single method from a class
C. All methods from a class
D. All classes defined in a script
Answer: A,C
Q58. What will an opcode cache ALWAYS automatically improve?
A. Running time of a loop in a PHP script
B. Efficiency of HTML markup generated by a PHP script
C. Execution speed of a PHP script
D. Memory footprint of a PHP script
E. None of the above
Answer: E
Q59. How many elements does the array $pieces contain after the following piece of code has been executed?
$pieces = explode("/", "///");
A. 0
B. 3
C. 4
D. 5
Answer: C
Q60. How should you track errors on your production website?
A. Enabling display_errors
B. Enabling log_errors
C. Having a site-wide exception handler
D. Setting error_reporting to E_ALL & ~E_NOTICE
Answer: B