Zend Certified PHP Engineer
Last Update 1 day ago
Total Questions : 223
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Which of the following is used to find all PHP files under a certain directory?
What will be the output value of the following code?
$array = array(1,2,3);
while (list(,$v) = each($array));
var_dump(current($array));
Which technique should be used to speed up joins without changing their results?
Consider the following XML code:
Which of the following SimpleXML calls prints the name of the second book?
(Let $xml = simplexml_load_file("books.xml"); .) (Choose 2)
In order to create an object storage where each object would be stored only once, you may use which of the following? (Choose 2)
What is the method used to execute XPath queries in the SimpleXML extension?
What is the output of the following code?
class A {
public $a = 1;
public function __construct($a) { $this->a = $a; }
public function mul() {
return function($x) {
return $this->a*$x;
};
}
}
$a = new A(2);
$a->mul = function($x) {
return $x*$x;
};
$m = $a->mul();
echo $m(3);
When using password_hash() with the PASSWORD_DEFAULT algorithm constant, which of the following is true? (Choose 2)
Which of the following techniques ensures that a value submitted in a form can only be yes or no ?
How many elements does the array $matches from the following code contain?
$str = "The cat sat on the roof of their house.";
$matches = preg_split("/(the)/i", $str, -1, PREG_SPLIT_DELIM_CAPTURE);
Which of the following may be used in conjunction with CASE inside a SWITCH statement?
What function can be used to retrieve an array of current options for a stream context?
Please provide the name of the super-global variable where all the information about cookies is available.
What is the output of the following code?
class test {
public $value = 0;
function test() {
$this->value = 1;
}
function __construct() {
$this->value = 2;
}
}
$object = new test();
echo $object->value;
Consider the following code. Which keyword should be used in the line marked with "KEYWORD" instead of "self" to make this code work as intended?
abstract class Base {
protected function __construct() {
}
public static function create() {
return new self(); // KEYWORD
}
abstract function action();
}
class Item extends Base {
public function action() { echo __CLASS__; }
}
$item = Item::create();
$item->action(); // outputs "Item"
What will the $array array contain at the end of this script?
function modifyArray (&$array)
{
foreach ($array as &$value)
{
$value = $value + 1;
}
$value = $value + 2;
}
$array = array (1, 2, 3);
modifyArray($array);
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);
TESTED 07 May 2024
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