Exercises
Tools
General Tools
CSS Maker
Color Tools
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
PHP basics
-
1/25 Whitespace is not ignored in PHP
-
2/25 What does a semicolon indicate?
-
3/25 Variables in PHP start with
-
4/25 What is the correct way of adding 1 to the variable?
-
5/25 An array is a special variable that is capable of holding more than one value at a time.
-
6/25 How do you declare a constant in PHP?
-
7/25 Which of the following is the correct way to create an associative array in PHP?
-
8/25 What does the 'foreach' loop in PHP do?
-
9/25 What does the 'mysqli' extension in PHP stand for?
-
10/25 What is the correct way to end a PHP statement?
-
11/25 Which PHP function is used to check if a variable is an array?
-
12/25 Which PHP function is used to redirect the browser to a new page?
-
13/25 In PHP, what does the 'array_pop()' function do?
-
14/25 What does the 'var_dump()' function in PHP do?
-
15/25 Which of these is a valid way to start a PHP session?
-
16/25 What is the correct way to include a file in PHP without causing a fatal error if the file is missing?
-
17/25 Which PHP function is used to send a custom HTTP header?
-
18/25 How can you create a multiline comment in PHP?
-
19/25 Which of the following is a correct way to declare an associative array in PHP?
-
20/25 What is the purpose of the 'die()' function in PHP?
-
21/25 What does the '===' operator in PHP do?
-
22/25 In PHP, which function is used to convert a JSON string into a PHP variable?
-
23/25 Which PHP function is used to check if a string contains a specific word or phrase?
-
24/25 How do you declare an indexed array in PHP?
-
25/25 Which of the following is a valid way to start a session in PHP?
-
It seems you haven't answered any questions yet. Please provide your answers to proceed.