PHP Test Question

Question :1 There are two objects- $product1 = new Shop(); $product2 = new Shop(); Which one of the following statements is right about them?

• $product1 and $product2 are same objects of the different type generated from a single class.
• $product1 and $product2 are different objects of the different type generated from a single class.
• $product1 and $product2 are same objects of the same type generated from a single class.
• $product1 and $product2 are different objects of the same type generated from a single class.

Answer: $product1 and $product2 are different objects of the same type generated from a single class.

Which type of array allows you to use textual keys so that array indices can be more descriptive?

• Key
• All of these
• Textual
• Associative

Answer: Associative

What is the difference between the include() and require() language constructs?

• They handle file paths differently.
• There is no difference.
• They handle failure differently.
• None of these.

Answer: They handle failure differently.

What does delete() function do?

• Delete directories.
• Delete files.
• Delete files and directories.
• There is no such function.

Answer: There is no such function.

What will be the output of the following code? $a$a = 1; $b$b = 2; echo "$a$a + $b$b";

• $a$a$b$b
• Error, $ cannot be used inside variable names
• 3

Answer: Error, $ cannot be used inside variable names

True or False: There is no difference in using the following 2 examples: echo('string'); echo 'string';

• False
• True
• It depends on the server environment

Answer: True

What does the following output? echo (5 % 3);

• 2
• 15
• 1
• None of these

Answer: 2

What is meaning of PEAR?

• PHP Extension and Application Register
• PHP Extension and Application Repository
• PHP Execution and Application Repository

Answer: PHP Extension and Application Repository

What is the GD Library?

• it's add a dozen of special new $_GLOBAL variables that gives principally informations on the user (localization, common social media cookies, etc...) - (Global iDentification)
• It is a library that gives the PHP the capability to create and manipulate image files. - (Gif Draw)
• It is a library that gives the PHP the capability to access and create virtual domains. - (Generated Domain)

Answer: It is a library that gives the PHP the capability to create and manipulate image files. - (Gif Draw)