Test your PHP skills

Posted by: Nurul Ferdous on: December 6, 2008

• In: PHP | Programming | zend
• 13 Comments

Are you working wih PHP MySQL? If your answer is yes, then you may have a look this free online test. This is an evaluation test for ZCE certification. You will find 8 questions there. Let me discuss on those questions a bit. Zillions of thanks to http://www.zend.com to organize this test:)

FYI I would like to suggest you not to read the rest of this post before completion of your test at : http://www.zend.com/store/education/certification/self-test.php?begin=1

Be back and read the rest of this post to check the correct answers. Good Luck!! Okay, Let’s start the test now!!

Q-1: How can precisely one byte be read from a file, pointed by $fp?

A)

fseek($fp, 1)

B)

fgets($fp, 1)

C)

fgetss($fp, 1)

D)

fgetc($fp)

E)

All of the above

The right answer is: D

Q-2: What object method specifies post-deserialization behavior for an object?

A)

__sleep()

B)

__wakeup()

C)

__set_state()

D)

__get()

E)

__autoload()

Right answer: B

Q-3: Where does the session extension store the session data by default?

A)

SQLite Database

B)

MySQL Database

C)

Shared Memory

D)

File System

E)

Session Server

The right answer is: D

Q-4: Which of the following data types cannot be directly manipulated by the client?

A)

Cookie Data

B)

Session Data

C)

Remote IP Address

D)

User Agent

Right answer: B

Q-5: What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?

A)

isset() is a function call and is_*() are not function calls

B)

is_*() are language constructs and isset() is not a language construct

C)

isset() is a language construct and is_*() are not language constructs

D)

is_*() return a value whereas isset() does not

Right answer: C

Q-6: What will be the value of $b after running the following code?

<?php
$a = array(‘c’, ‘b’, ‘a’);
$b = (array) $a;

A)

TRUE

B)

array(‘c’, ‘b’, ‘a’)

C)

array(array(‘c’, ‘b’, ‘a’))

D)

None of the above

Right answer: B

Q-7: Which of the following function signatures is correct if you want to have classes automatically loaded?

A)

function autoload($class_name)

B)

function __autoload($class_name, $file)

C)

function __autoload($class_name)

D)

function _autoload($class_name)

E)

function autoload($class_name, $file)

Right answer: C

Q-8: What is the best way to run PHP 4 and PHP 5 side-by-side on the same Apache server?

A)

Run one as an Apache module, the other as a CGI binary.

B)

Run both as a CGI binary.

C)

Just use .php4 for PHP 4, and .php for PHP 5.

D)

Use .php for both but use different document roots.

Right answer: A

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