The Full form of PHP is Hypertext Preprocessor
Question : PHP is case sensitive or not ?
Answer : PHP function, constructs, class names are not case sensitive but variables are case sensitive so we can say that PHP is partially case-sensitive programming language.
Question : What is NULL in php ?
Answer : NULL is a variable, If a variable is created without a value, it is automatically assigned a value of NULL.
Question : What are the rules in php variables ?
Rules for PHP variables name
- A variable name starts with $ sign with letter or underscore character, It cannot start with a number.
- It contain alpha-numeric characters and underscores (A-z, 0-9, and _ ),
- Variable names are case-sensitive ($date and $DATE are two different variables)
Question : Types of variables in php ?
Types of PHP variables
- PHP has no command for declaring a variable, and the data type depends on the value of the variable.
- There are 08 different types of String, Integer, Float, Boolean, Array, Object, NULL, Resource.
Question : PHP framework examples ? Answer : CodeIgniter, Laravel etc
Question : Types of error in PHP ? Answer : syntax, fatal, warning, and notice errors.