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Evaluation

What will be displayed after you execute the following: echo 'hello $world';

Hello $world

It depends on the value of $world

It will not work due to a syntax error

Hello world

$var = "5"."6"; What is the value of $var ?

How do you return a value within a function?

Result=$var;

Return=$var;

Result $var;

Return $var;

What is the correct syntax for specifying a default argument value in a function?

Function my_function(null $param1)

Function my_function($param1 null)

Function my_function($param1=null)

Function my_function($param1==null)

What is the difference between include and require?

"Require" supports the inclusion of folders, while "include" does not allow it

"Include" includes only one file, while "require" can include filenames with wildcards

There is no difference, "require" is just an alias for "include"

"require" stops the script execution if the file does not exist, while "include" only gives out a warning

Which of the following best describes the mechanism of serialization?

Serialization allows almost all types of variables to be stored as string, even arrays and objects

Serialization is an easy mechanism allowing developers to generate serial numbers within the code

Serialization allows developers to use the serial and USB ports of the server

Serialization creates multiple chains of objects based on integer values

Why is the following instruction unsafe? require($_GET["file"].".php");

There will be a fatal error if the specified file does not exist

There will be a fatal error if the "file" value is undefined in the $_GET array

An attacker could upload an external PHP file using this instruction

An attacker could exploit your site by including files that are not in the document root

Which of the following best describes $_REQUEST?

An array that contains the contents of $_POST, $_GET, and $_COOKIE

An array that contains the contents of $_COOKIE and $_SERVER

An array that contains the contents of $_POST and $_GET

An array that contains the contents of $_POST, $_GET, $_COOKIE, and $_SERVER

What is the difference between file_get_contents($file) and @file_get_contents($file) ?

There is no difference at all

The first one performs a buffered read, while the second one reads the whole file at once

The first one may display a warning message if the file does not exist, while the second won't

The first one works while the second one has a syntax error

If you were to create a class Student, inheriting the class Person, which of the following syntaxes would you use?

class Student {
inherit Person;
}

class Student inherit Person {

}

class Student extends Person {

}

class Student: Person {

}

How do you call a static method?

MyClass::my_function();

$obj->my_function();

MyClass->my_function();

Static my_function();

Considering the following code, what will be displayed?

function my_function($param1) {

echo $param1.": ".implode(" ", func_get_args());

}

my_function("Test", "error", 583);

A standard PHP warning message

A standard PHP error message

Test: Test error 583

Test: error 583

How is the OOP concept of multiple inheritance implemented in PHP?

class Child1 extends Parent1, Parent2, Parent3 {

}

class Child1 extends Parent1 {

extends Parent2;

extends Parent3;

}

class Child1 extends Parent1 {

extends Parent2, Parent3;

}

The other 3 answers are all invalid

What is Drush?

It is a Drupal core module

It is a Drupal contrib module

It is a command line shell and Unix scripting interface for Drupal

It is a program to manage Drupal sites

In Drupal 7 where can I find information about database connection?

In sites/default/settings.php file

In includes/database/database.inc file

In sites/default/files/settings.php file

In includes/common.inc file

In Drupal 7 what is needed to define a custom module?

.info file

.module file

.install file

.info and .module files

What is .tpl file in Drupal 7?

It is a temporary file

It is a template file

It is an include file

It is a core file

What can we do by implementing hooks in Drupal?

Interact with Drupal core

Interact with modules

Alter values

All answers are correct

How we can execute a function from enabled module in Drupal 7?

First we need to include .module file and then execute its function

Simply execute needed function

Need to write custom module and in it execute function

Function can't be executed

In Drupal 7 how we can get node id from database?

Execute db_select()

Execute db_query()

Execute EntityFieldQuery()

All options are correct

In Drupal how can you provide list of latest articles in RSS format?

Create a view with a Feed display filtering only the Articles content type.

Create a view with a Page display filtering only the Articles content type and under filter options enable the RSS filter

Create a view with a Page display filtering only the Articles content type and under Style output options select RSS Feed instead of Unformatted List

Create a view with a Page display filtering only the Articles content type, modifying the .tpl.php file for the view and render the output in RSS format

In Drupal 7 what is correct way to create a custom database table?

Create custom module and in .install file implement hook_schema()

Create custom module and in .install file implement hook_install()

Create custom module and in .module file implement hook_init()

Create custom module and in .module file implement hook_schema()

Lets say we need to store client records in database and the most common action will be searching by name. Which database table schema will fit best?

$schema['client'] = array(
 'fields' => array(
  'id' => array(
   'type' => 'serial',
   'unsigned' => TRUE,
   'not null' => TRUE,
  ),
  'firstname' => array(
   'type' => 'varchar',
   'length' => 255,
   'not null' => TRUE,
   'default' => '',
  ),
  'lastname' => array(
   'type' => 'varchar',
   'length' => 255,
   'not null' => TRUE,
   'default' => '',
  ),
  'email' => array(
   'type' => 'varchar',
   'length' => 255,
   'not null' => TRUE,
   'default' => '',
  ),
 ),
 'indexes' => array(
  'name' => array('firstname', 'lastname'),
 ),
 'unique keys' => array(
  'email' => array('email'),
 ),
 'primary key' => array('id'),
);

$schema['client'] = array(
'fields' => array(
'id' => array(
'type' => 'serial',
'unsigned' => TRUE,
'not null' => TRUE,
),
'name' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'email' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
),
'primary key' => array('id'),
);

$schema['client'] = array(
'fields' => array(
'id' => array(
'type' => 'int',
'not null' => TRUE,

'default' => 0,
),
'name' => array(
'type' => 'text',
'not null' => FALSE,
),
'email' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
),
'unique keys' => array(
'email' => array('email'),
),
'primary key' => array('id'),
);

$schema['client'] = array(
'fields' => array(
'id' => array(
'type' => 'serial',
'unsigned' => TRUE,
'not null' => TRUE,
),
'firstname' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'lastname' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'email' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
),
'unique keys' => array(
'email' => array('email'),
),
'primary key' => array('id'),
);

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