1. 1. Introduction to PHP/MySQL Technical Team, PC Technology Private Limited
2. 2. What has been done ? Simple PHP Programs Addition, Subtraction, Multiplication, Division and Modulus GET and POST Methods Print and Echo Comments in PHP Case Sensitivity Variables and their usage and syntax Logical Program
3. 3. PHP Data Types and Usage String Integer Float/Double Boolean Array Object NULL
4. 4. What is a string ? A string is a collection of characters It can have numbers, alphabets, special characters, etc. A string should be declared inside quotes, single or double Example : $name= Roger; $name=Roger;
5. 5. PHP Integers An integer is any number without decimals An integer can be positive or negative Its not necessary to put a decimal point The declaration doesnt need quotes Example : $x = 5;
6. 6. PHP Float, Boolean and Arrays A float is a number with a decimal value A Boolean can have two possibilities True False Arrays are collection of data under one name. Eg : $cars = array (Tata, Maruti, BMW);
7. 7. Importance of var_dump var_dump is a PHPs Function It is used to recognize the data type of a particular variable. var_dump can be used anywhere in the program to get the type of the variable. Declared as var_dump(variable name) ;
8. 8. Thanks for paying attention Queries ??