PHP basics

1/25 PHP is considered a server-side scripting language
- True
- False
2/25 Which of the following extensions is a correct PHP file extension?
- .html
- .cpp
- .php
- .pxp
3/25 The (2>0 || 4>5) condition will return
- True
- False
4/25 The (2>0 && 4>5) condition will return?
- True
- False

5/25 What will be displayed in a browser ?

<?php 

   if ( 3 < 3 ) {

       echo "Hello";

   } elseif ( 3 > 3 )  {

       echo "Welcome to ";

   } else {

       echo " Say hello"

   }



   echo "  W3Docs !!";

?>

Hello
Welcome to
Say hello
Hello W3docs !!
Say hello W3docs !!
Welcome to W3docs !!

6/25 Which function in PHP is used to read the content of a file?
- file_get_contents()
- fopen()
- readfile()
- file()
7/25 What does the 'mysqli' extension in PHP stand for?
- Multiple SQL Interface
- MySQL Improved
- MySQL Interface
- Manage SQL Integration
8/25 What is the correct syntax for creating a function in PHP?
- function NewFunction() {}
- create NewFunction() {}
- new Function() {}
- function: NewFunction() {}
9/25 In PHP, what does the 'array_pop()' function do?
- Removes the last element from an array
- Deletes the first element of an array
- Pops a new element into the array
- Returns the value of the last element
10/25 What does the 'var_dump()' function in PHP do?
- Dumps variable content to a file
- Displays structured information about a variable
- Deletes a variable
- Validates a variable's type
11/25 Which of these is a valid way to start a PHP session?
- session_start();
- begin_session();
- init_session();
- start_session();
12/25 What is the correct way to declare a PHP interface?
- interface MyInterface {}
- class MyInterface {}
- new Interface MyInterface {}
- implement MyInterface {}
13/25 Which PHP superglobal variable is used to access form data sent via POST method?
- $_GET
- $_POST
- $_REQUEST
- $_FORM
14/25 What does the 'PDO' stand for in PHP?
- PHP Database Object
- Public Data Object
- Persistent Data Object
- Program Data Orientation
15/25 In PHP, which function can you use to convert a string to an integer?
- str_to_int()
- int()
- intval()
- to_integer()
16/25 Which PHP function is used to split a string into an array by a delimiter?
- str_split()
- explode()
- split_string()
- divide()
17/25 Which PHP function is used to generate a unique identifier?
- md5()
- uniqid()
- random_id()
- generate_id()
18/25 What is the purpose of the 'die()' function in PHP?
- Kills the server process
- Exits the current script and outputs a message
- Deletes a variable or an object
- Terminates a loop or a function
19/25 What does the '===' operator in PHP do?
- Compares the value and the type of two variables
- Compares only the value, not the type
- Assigns the value from right to left
- Compares two variables for inequality
20/25 In PHP, which function is used to convert a JSON string into a PHP variable?
- json_decode()
- json_convert()
- json_parse()
- decode_json()
21/25 In PHP, which operator is used for error control?
- @
- #
- !
- $
22/25 How do you check if a PHP variable is of type object?
- is_object()
- is_type('object')
- typeof()
- instanceof
23/25 What does the PHP function 'array_slice()' do?
- Removes a portion of an array and returns it
- Slices an array into two arrays
- Creates a copy of an array
- Reduces the size of an array
24/25 How can you append an element to an existing array in PHP?
- $array[] = 'new_element';
- array_append($array, 'new_element');
- $array.add('new_element');
- append($array, 'new_element');
25/25 Which PHP function can be used to parse a query string into variables?
- parse_str()
- explode_query()
- split_query()
- query_parse()
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PHP basics

1/25 PHP is considered a server-side scripting language

2/25 Which of the following extensions is a correct PHP file extension?

3/25 The (2>0 || 4>5) condition will return

4/25 The (2>0 && 4>5) condition will return?

5/25 What will be displayed in a browser ?

6/25 Which function in PHP is used to read the content of a file?

7/25 What does the 'mysqli' extension in PHP stand for?

8/25 What is the correct syntax for creating a function in PHP?

9/25 In PHP, what does the 'array_pop()' function do?

10/25 What does the 'var_dump()' function in PHP do?

11/25 Which of these is a valid way to start a PHP session?

12/25 What is the correct way to declare a PHP interface?

13/25 Which PHP superglobal variable is used to access form data sent via POST method?

14/25 What does the 'PDO' stand for in PHP?

15/25 In PHP, which function can you use to convert a string to an integer?

16/25 Which PHP function is used to split a string into an array by a delimiter?

17/25 Which PHP function is used to generate a unique identifier?

18/25 What is the purpose of the 'die()' function in PHP?

19/25 What does the '===' operator in PHP do?

20/25 In PHP, which function is used to convert a JSON string into a PHP variable?

21/25 In PHP, which operator is used for error control?

22/25 How do you check if a PHP variable is of type object?

23/25 What does the PHP function 'array_slice()' do?

24/25 How can you append an element to an existing array in PHP?

25/25 Which PHP function can be used to parse a query string into variables?