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Zend

200-500

Zend PHP 5

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1. krsort()

2. Array_multisort ()

Answer: B

Question: 206

In the following code, which class can be instantiated? 1 <?php

1. abstract class Graphics {

2. abstract function draw($im, $col); 4 }

5

6 abstract class Point1 extends Graphics { 7 public $x, $y;

8 function construct($x, $y) { 9 $this->x = $x;

10 $this->y = $y; 11 }

1. function draw($im, $col) {

2. ImageSetPixel($im, $this->x, $this->y, $col); 14 }

15 }

16

17 class Point2 extends Point1 { } 18

19 abstract class Point3 extends Point2 { } 20 ?>

1. Graphics

2. Point1

3. Point2

4. Point3

5. None, the code is invalid

Answer: C

Question: 207

What does an object based on the Active Record pattern provide?

1. A way to actively control the application's workflow

2. A way to record the history of its changes

3. A way to effortlessly store its properties in a database

Answer: C

Question: 208

What will the following function call print? Printf ('%010.6f', 22);

A. 22

B. 22.00

C. 022.000000

D. 22.000000

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Answer: C

Question: 209

The following code piece should print "PHP is cool", but unexpectedly, it just prints "cool". How would you correct it? echo str_replace('PHP is a pain.', 'a pain', 'cool');

1. str_replace('PHP is a pain.', 'cool', 'a pain');

2. str_replace('a pain', 'cool', 'PHP is a pain.');

3. str_replace('cool', 'a pain', 'PHP is a pain.');

Answer: B

Question: 210

What is the result of the following code: class T { const A = 42 + 1; } echo T::A;

1. 42

2. 43

3. Parse error

Answer: C

Question: 211

Which of the following code snippets is correct?(Choose 2)

1. interface Draw able { abstract function draw();}

2. interface Point { function getX();function getY(); }

3. interface Line extends Point { function getX2(); function getY2(); }

4. interface Circle implements Point {function getRadius (); }

1. a)

2. b)

3. c)

4. d)

Answer: B, C

Question: 212

Is the following code piece E_STRICT compliant? final class Testing { private $test; public function tester() {return "Tested!"; }}

1. Yes

2. No

Answer: A

Question: 213

The purpose of the singleton pattern is to...

1. ...creates applications that only a single user may use.

2. ...has just one single instance of an object in the entire application.

3. ...has only one instance of each object in a collection of objects.

Answer: B

Question: 214

What happens if you try to access a property wh4o7se name is defined in a parent class as private, and is not declared in the current class?

1. An E_NOTICE error will be triggered.

2. An E_ERROR error will be triggered.

3. An E_WARNING error will be triggered.

4. No errors will be triggered

Answer: A

Question: 215

What is the output of the following code? 1 <?php

2 echo '1' . (print '2') + 3;

3 ?>

1. 123

2. 213

3. 142

4. 214

5. Syntax error

Answer: D

Question: 216

An object can be counted with count() and size of() if it

1. Implements Array Access

2. Has a public count() method

3. Was cast to an object from an array

4. None of the above

Answer: D

Question: 217

When uploading a file to a PHP script using the HTTP PUT method, where would the information about this file be available?

1. The $_FILES super-global

2. The input stream php://stdin

3. The $_POST super-global

4. The global variable scope

Answer: B

Question: 218

What will the $array contain at the end of this script? 1 <?php

2 function modify Array (&$array) 3 {

4 for each ($array as &$value) 5 {

1. $value = $value + 1;

2. }

8

1. $value = $value + 2; 48

2. }

11

1. $array = array (1, 2, 3);

2. modify Array($array);

3. ?>

A. 2, 3, 4

B. 2, 3, 6

C. 4, 5, 6

D. 1, 2, 3

Answer: B

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