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 How do you start the PHP scripting block?
-
2/25 Whitespace is not ignored in PHP
-
3/25 What does a semicolon indicate?
-
4/25 How do you output "Hello W3docs" in PHP?
-
5/25 The (2>0 || 4>5) condition will return
-
6/25 The (2>0 && 4>5) condition will return?
-
7/25 Which function in PHP is used to read the content of a file?
-
8/25 How do you declare a constant in PHP?
-
9/25 In PHP, which operator is used for object comparison?
-
10/25 What does the 'foreach' loop in PHP do?
-
11/25 Which PHP function is used to check if a variable is an array?
-
12/25 What is the purpose of the 'session_start()' function in PHP?
-
13/25 What is the correct way to add elements to an array in PHP?
-
14/25 What is the correct way to include a file in PHP without causing a fatal error if the file is missing?
-
15/25 What is the correct way to declare a PHP interface?
-
16/25 What is the default session timeout in PHP?
-
17/25 Which PHP function is used to generate a unique identifier?
-
18/25 Which of the following is NOT a valid visibility keyword in PHP?
-
19/25 How do you access a PHP superglobal variable inside a function?
-
20/25 In PHP, how do you get the current date and time?
-
21/25 What does the '===' operator in PHP do?
-
22/25 Which PHP function is used to convert all applicable characters to HTML entities?
-
23/25 How do you check if a PHP variable is of type object?
-
24/25 Which of the following is a valid way to start a session in PHP?
-
25/25 What does the 'compact()' function in PHP do?
-
It seems you haven't answered any questions yet. Please provide your answers to proceed.