Webjourney - PHP Mastery Quiz: From Basics to Pro

Q1

What is the full form of PHP ?

A A. Hypertext Preprocessor B B. Personal Home Page C C. Scripting Language D D. All of the above

Q2

Who is the creator of php ?

A A. Rasmus Leven B B. Rasmus Lerdorf C C. Rasmus Lerik D D. Rasmus Nuoki

Q3

When was the PHP 8 officially released for general users?

A A. November 25, 2020 B B. November 26, 2020 C C. November 27, 2020 D B. November 28, 2020

Q4

Which of the following one is true for PHP?

A A. executed on the server B B. free to download and use C C. open source scripting language D D. All of the above

Q5

What can PHP do?

A A. open file B B read file C C. close file D D. All of the above

Q6

With PHP what you will output?

A A. pdf files B B. flash movies C C. images D D. All the above

Q7

Which of the bellow platforms are not suitable for PHP?

A A. Windows B B. Linux C C. Unix D D. None of the above

Q8

PHP scripts start with__?

A A. <?php B B. <php C C. ?> D D. php>

Q9

What is the default file extension for php?

A A. .text B B. .hph C C. php D D. .php

Q10

Which of the following PHP keyword is case sensetive?

A A. if B B. echo C C. while D D. None of the above

Q11

Which one is case sensetive in PHP?

A A. functions B B. variables C C. keywords D D. classes

Q12

Syntax for single line comment in PHP?

A A. // B B. ** C C. # D D. Both A and C

Q13

What will be the output?

<?php
$mult = 10 /* + 10 */ * 10;
echo $mult;
?>

A A. 100 B B. 30 C C. 20 D D. syntax error

Q14

In PHP a variable name begin with __ sign?

A A. # B B. $ C C. ? D D. var

Q15

A php variable name must start with__?

A A. letter B B. underscore C C. number D D. Both A & B

Q16

Which of the following one is not a variable scope in PHP ?

A A. local B B. global C C. block D D. static

Q17

What will be the result when the bellow code execute?

<?php
   $xexample = 50;
   function example() {
     echo  $xexample;
   } 
   example();
?>

A A. nothing will happen B B. 50 C C. undefine D D. error

Q18

What is the answe of the below code snippet?

<?php
  $web = 3;
  $journey = 7;

function webJourney(){
  global $web, $journey;
  $journey = $web+ $journey
}

 webJourney();
 echo $journey;
?>

A A. 7 B B. error C C. fatal error D D. 10

Q19

Which data type php does not support?

A A. Boolean B B. Object C C. Json D D. Resource

Q20

In PHP which data type can have only one value?

A A. NULL B B. Resource C C. Boolean D D. Integer

Q21

What will be the result of the following code?

<?php
echo strlen("! Web Journey !");
?>

A A. 14 B B. 15 C C. 16 D D. 17

Q22

If we execute the bellow code what will happen?

<?php
  echo str_word_count(' Welcome to PHP quiz test !! ');
?>

A A.5 B B. 6 C C. 7 D D. 8

Q23

PHP pi() function always return __?

<?php
  echo(pi());
?>

A A. 3.14169__ B B. 3.15159__ C C. 3.18159__ D D. 3.14159__

Q24

From a list of arguments how do we find the lowest and highest value?

A A. min() & max() B B. max() & min() C C. lowest() & highest() D D. Both A & C

Q25

Which of the following function returns the pure positive value of a number?

A A. positive(-2.4) B B. abs(-2.4) C A. math(-2.4) D A. round(-2.4)

Q26

What is the task of the following code snippet?

<?php 
  htmlentities($description, ENT_QUOTES, 'UTF-8');
?>

A A. Escape HTML entities B B. Escape HTML quotes C C. Prevent XSS attacks D D. All the above

Q27

Guess the right answer?

<?php
$a1 = 3; 
$a2 = 4;
$b1 = 5;
$two = 1;
$one = 0;   
    if ($a1 * $a1 + $a2 * $a2 === $b1 * $b1) {
        $two++;
    }
    if ($a1 === $a2) {
        $one++;
    } 
if ($two>0)
echo $two;
if ($one>0)
echo $one;
?>

A A. 11 B B. 1 C C. 2 D D. 21

Q28

What does PHP stand for?

A A. Personal Home Page B B. PHP: Hypertext Preprocessor C C. Pre Hypertext Processor D D. Public Home Page

Q29

Which of the following is the correct way to declare a variable in PHP?

A A. variable name = 10; B B. var name = 10; C C. $name = 10; D D. int $name = 10;

Q30

What will the following code output?
echo 10 + "5 apples";

A A. Error B B. 105 apples C C. 15 D D. 10

Q31

Which function is used to find the length of a string in PHP?

A A. len() B B. length() C C. count() D D. strlen()

Q32

What is the difference between == and === in PHP?

A A. No difference, they work the same B B. == checks value only; === checks value AND type C C. === checks value only; == checks value AND type D D. == is for numbers; === is for strings

Q33

Which superglobal in PHP is used to collect form data sent via the POST method?

A A. $_GET B B. $_REQUEST C C. $_POST D D. $_FORM

Q34

What does the array_map() function do in PHP?

A A. Sorts an array in ascending order B B. Applies a callback function to each element of an array and returns a new array C C. Filters elements from an array based on a condition D D. Merges two arrays into one

Q35

What will this code output?

$x = 5;
echo $x++;

A A. 6 B B. 5 C C. 4 D D. Error

Q36

Which PHP function is used to include a file and stop execution if the file is not found?

A A. include() B B. require() C C. load() D D. import()

Q37

What is the output of var_dump(null == false) in PHP?

A A. bool(false) B B. NULL C C. bool(true) D D. Error

Q38

What is a Trait in PHP used for?

A A. Defining an abstract class B B. Reusing methods in multiple classes without inheritance C C. Creating database connections D D. Handling exceptions

Q39

Which of the following correctly defines an interface in PHP?

A A. abstract class MyInterface { } B B. interface MyInterface { public function doSomething(); } C C. trait MyInterface { function doSomething() {} } D D. class MyInterface implements Interface { }

Q40

What does the static keyword mean inside a PHP function?

A A. The function cannot be called B B. The variable retains its value between function calls C C. The variable is globally accessible D D. The function is shared across all classes

Q41

What is the purpose of the abstract keyword in PHP OOP?

A A. It makes a class final and prevents extension B B. It defines a class or method that must be implemented by child classes C C. It creates a singleton pattern automatically D D. It hides a method from all subclasses

Q42

Which PHP magic method is automatically called when you try to access an undefined property?

A A. __construct() B B. __get() C C. __set() D D. __call()

Q43

What is the output of this PHP code?
echo implode("-", ["PHP", "Laravel", "MySQL"]);

A A. PHP Laravel MySQL B B. PHP-Laravel-MySQL C C. ["PHP","Laravel","MySQL"] D D. Error

Q44

What will count([1, [2, 3], 4]) return in PHP?

A A. 4 B B. 2 C C. 3 D D. 5

Q45

Which PHP function is used to sort an array and maintain index association?

A A. sort() B B. ksort() C C. asort() D D. rsort()

Q46

In PHP, what is a Closure?

A A. A way to close a database connection B B. An anonymous function that can capture variables from the outer scope C C. A method to terminate a loop D D. A PHP error handler

Q47

What is the purpose of PHP_EOL constant?

A A. It ends PHP execution B B. It outputs a platform-specific end-of-line character (\n on Unix, \r\n on Windows) C C. It defines the PHP version D D. It closes an HTML tag

Q48

What will the following code output?

$arr = [3, 1, 4, 1, 5];
echo max($arr);

A A. 3 B B. 1 C C. 5 D D. Error

Q49

What does json_encode() do in PHP?

A A. Converts a JSON string into a PHP array B B. Converts a PHP value (array/object) into a JSON formatted string C C. Validates if a string is valid JSON D D. Encodes a string using base64 encoding

Q50

Which error level constant would you use to display all PHP errors?

A A. E_ERROR B B. E_ALL C C. E_NOTICE D D. E_WARNING

Q51

What is the correct way to catch multiple exceptions in a single catch block in PHP 8?

A A. catch(Exception | TypeError $e) B B. catch(Exception, TypeError $e) C C. catch[Exception, TypeError] $e D D. catch Exception or TypeError as $e

Q52

What does the spread operator ... do in PHP function arguments?

A A. Creates an infinite loop B B. Unpacks an array into individual arguments (variadic functions) C C. Merges two arrays D D. Defines default argument values

Q53

What is the output of echo PHP_VERSION; on a system running PHP 8.2?

A A. 8 B B. 8.2 C C. 8.2.x (the actual full version string) D D. PHP8.2

Q54

Which PHP function checks if a variable is an array?

A A. is_array() B B. check_array() C C. typeof() D D. gettype() == "array"

Q55

What is a Generator in PHP and how is it created?

A A. A class that generates random numbers using rand() B B. A function that uses the yield keyword to produce values lazily C C. A PHP extension for creating arrays dynamically D D. A design pattern for building object factories

Q56

What is the difference between array_push() and the [] operator in PHP?

A A. There is no difference B B. array_push() can add multiple elements at once; [] only adds one C C. [] is faster for single elements; array_push() is for multiple elements; both append to end D D. array_push() creates a new array; [] modifies in place

Q57

What is the Null Coalescing Operator ?? in PHP 7+?

A A. It converts null to zero B B. Returns the left operand if it exists and is not null; otherwise returns the right operand C C. It checks if two values are both null D D. It is used for strict null comparisons only

Q58

In PHP 8.0+, what are Named Arguments?

A A. Variables defined with a specific name prefix B B. Passing function arguments by parameter name instead of position C C. A new type of class property D D. Method chaining syntax introduced in PHP 8

Quiz Complete!

Explore Other Quiz Topics

Quizzes

Categories

Sign Up WebJourney

PHP Mastery Quiz: From Basics to Pro — Can You Crack It? (58)

Quiz Complete!

Explore Other Quiz Topics

Quizzes

Categories

Sign In WebJourney

Sign Up WebJourney

Lost Your Password