Books
Learn HTML
Learn CSS
Learn Git
Learn Javascript
Learn PHP
Learn python
Learn Java
Exercises
HTML
JavaScript
Git
CSS
PHP
Courses
Quizzes
Snippets
Tools
General Tools
Password Generator
HTML Editor
HTML Encoder
Base 64
Code Diff
JSON Beautifier
CSS Beautifier
Markdown Convertor
Find the Closest Tailwind CSS Color
Phrase encrypt / decrypt
Browser Feature Detection
Number convertor
CSS Maker
CSS Maker
CSS Maker text shadow
CSS Maker Text Rotation
CSS Maker Out Line
CSS Maker RGB Shadow
CSS Maker Transform
CSS Maker Font Face
Color Tools
Color Picker
Colors CMYK
Colors HWB
Colors HSL
Color Hex
Color mixer
Color Converter
Colors RGB
Color Contrast Analyzer
Color Gradient
String Tools
String Length Calculator
MD5 Hash Generator
Sha256 Hash Generator
String Reverse
URL Encoder
URL Decoder
Base 64 Encoder
Base 64 Decoder
Extra Spaces Remover
String to Lowercase
String to Uppercase
Word Count Calculator
Empty Lines Remover
HTML Tags Remover
Binary to Hex
Hex to Binary
Rot13 Transform on a String
String to Binary
Duplicate Lines Remover
Change theme
Dark
Light
System
Books
Learn HTML
Learn CSS
Learn Git
Learn Javascript
Learn PHP
Learn python
Learn Java
How To
How To NodeJs
How To Linux
How To AngularJs
How To PHP
How To HTML
How To CSS
How To Symfony
How To Git
How To Apache
How To JavaScript
How To Java
How To Vue.js
How To Python
PHP basics
1/25
What does PHP stand for?
Preprocessed Hypertext Page
Personal Home Page
Hypertext Transfer Protocol
PHP: Hypertext Preprocessor
Next >
2/25
Which is the correct way to start a multiple line PHP comment?
# -------------- #
/ -------------- /
/* ----------- */
{# --------- #}
Next >
3/25
What is the correct way of adding 1 to the variable?
$var =+ 1;
$var = $var+1;
$var += 1;
$var++;
Next >
4/25
How do you handle exceptions in PHP?
Using 'if-else' statements
Using 'try-catch' blocks
Using 'error-reporting' functions
PHP does not support exception handling
Next >
5/25
Which global variable in PHP holds information about headers, paths, and script locations?
$_GET
$_POST
$_SERVER
$_ENV
Next >
6/25
How can you get the total number of elements in an array in PHP?
length()
sizeof()
array_length()
count()
Next >
7/25
What is the purpose of the 'session_start()' function in PHP?
Starts a new PHP session
Starts a new server session
Initializes session variables
Creates a new session cookie
Next >
8/25
Which PHP function is used to redirect the browser to a new page?
header()
redirect()
goto()
forward()
Next >
9/25
How can you declare a static variable in PHP?
static $var;
var static;
$static var;
static_var $var;
Next >
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
Next >
11/25
How can you declare a PHP variable that retains its value between function calls?
static $var;
public $var;
global $var;
persistent $var;
Next >
12/25
What does the 'PDO' stand for in PHP?
PHP Database Object
Public Data Object
Persistent Data Object
Program Data Orientation
Next >
13/25
In PHP, which operator is used for concatenating two strings?
+
.
&
||
Next >
14/25
Which of the following is a correct way to declare an associative array in PHP?
$array = [1 => 'a', 2 => 'b'];
$array = (1:'a', 2:'b');
$array = array(1, 'a', 2, 'b');
$array = {1: 'a', 2: 'b'};
Next >
15/25
What is the purpose of the 'array_merge()' function in PHP?
Merges one or more arrays into one array
Finds the intersection of two arrays
Splits an array into multiple arrays
Duplicates an array
Next >
16/25
How do you declare a global variable in PHP?
global $variable;
public $variable;
$variable = global;
declare($variable);
Next >
17/25
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
Next >
18/25
In PHP, which function is used to convert a JSON string into a PHP variable?
json_decode()
json_convert()
json_parse()
decode_json()
Next >
19/25
How do you check if a PHP variable is of type object?
is_object()
is_type('object')
typeof()
instanceof
Next >
20/25
Which function in PHP can be used to create a new directory?
mkdir()
create_dir()
new_directory()
dir_create()
Next >
21/25
Which PHP function is used to check if a string contains a specific word or phrase?
strpos()
str_contains()
contains()
find_string()
Next >
22/25
How do you declare an indexed array in PHP?
$array = array(1, 2, 3);
$array = [1 => 'a', 2 => 'b'];
$array = (1, 2, 3);
$array = {1, 2, 3};
Next >
23/25
In PHP, which function is used to round a float to the nearest integer?
round()
floor()
ceil()
intval()
Next >
24/25
What is the use of the 'empty()' function in PHP?
Checks if a variable is empty
Empties the content of a variable
Deletes a variable
Checks if a variable is not set
Next >
25/25
In PHP, what is a trait?
A method to create abstract classes
A mechanism for code reuse in single inheritance languages
A type of PHP variable
An interface implementation
Next >
To get the result of the quiz, please provide your email address (optional)..
Get Certificate
It seems you haven't answered any questions yet. Please provide your answers to proceed.