The document contains questions about PHP topics like data types, arrays, executing PHP scripts from the command line, multiple inheritance, common uses of PHP, declaring strings, creating text files, using the $ symbol, advantages of PHP, finding number of rows in a MySQL table, PHP syntax rules, creating arrays, database connectivity with MySQL, declaring variables, executing simple queries, writing a simple calculator program, reading from forms, operators, control structures, listing directories, file operations, defining operators, explaining arrays, sessions and cookies, control structures, functions, adding and removing users from MySQL, PHP interpreters, searching a website, inserting HTML in PHP, connecting PHP with MySQL, opening and reading files, and setting page expiration in PHP.

1. Web Technologies-Unit-1 (PHP)
☞Short Answer Questions
1) What are the data types supported by PHP?
2) List various types of arrays supported by PHP. How to declare arrays in PHP?
3) How do you execute a PHP script from the command line?
4) Is multiple inheritance supported in PHP? Explain.
5) What is PHP? What are the common uses of PHP?
6) How to declare a string in PHP? List various string functions in PHP.
7) How to create a text file in PHP?
8) What is the use of $ symbol in PHP? Explain it with an example.
9) Give any two advantages of PHP.
10) How can you find the number of rows in a table using MYSQL.
11) What are the rules of PHP Syntax?
12) How can you create array in PHP? Explain.
☞Long Answer Questions
1) Explain database connectivity in PHP with reference to MYSQL.
2) State the rules for declaring variables in PHP.
3) How to execute a simple query in PHP? Illustrate.
4) Write a PHP program for a simple calculator.
5) Write a PHP script to retrieve the data from oracle database.
6) With an example explain the casting of data types in PHP.
7) How strings are declared in PHP? Explain string operators.
8) Explain the process of Reading data from web form controls like text boxes, radio buttons, and
lists.
9) What are various operators supported by PHP
10) Explain about the control structures in PHP with illustrations.
11) How to list the directories in PHP?
12) Explain about various file operations on text files in PHP.
13) Define operator? Explain different operators used in PHP.

2. 14) Write a program to explain about the concept of arrays in PHP.
15) Define Session and Cookies. Explain with an example program
16) List and explain the control structures used in PHP.
17) Discuss about various functions used in PHP with examples.
18) Write a PHP script to add and remove users from a MySQL table.
19) Describe about various types of PHP interpreters.
20) Write a PHP script for searching a website URL for a keyword or sentence.
21) What are the pitfalls commonly seen with practice of inserting HTML inside PHP?
22) Explain how PHP fits with MYSQL?
23) Write a PHP code to open and read content from given file in designated directory?
24) Is it possible to set a time expire a page in PHP?Explain?