What are the data types supported by PHP?

What are the data types supported?

Supported Data Types – Trigger Event Scheme

  • BLOB.
  • CHAR.
  • CLOB.
  • DATE.
  • DECIMAL.
  • FLOAT.
  • INTEGER.
  • NUMBER.

What are the types of variables in PHP?

PHP variables are Perl-like.

  • Integers − are whole numbers, without a decimal point, like 4195.
  • Doubles − are floating-point numbers, like 3.14159 or 49.1.
  • Booleans − have only two possible values either true or false.
  • NULL − is a special type that only has one value: NULL.

What are the five data types?

Data types

  • String (or str or text). Used for a combination of any characters that appear on a keyboard, such as letters, numbers and symbols.
  • Character (or char). Used for single letters.
  • Integer (or int). Used for whole numbers.
  • Float (or Real). …
  • Boolean (or bool).

What is the correct way of declaring PHP variable?

A variable starts with the $ sign, followed by the name of the variable. A variable name must start with a letter or the underscore character. A variable name cannot start with a number. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )

What is PHP variable?

A variable in PHP is a name of memory location that holds data. In PHP, a variable is declared using $ sign followed by variable name. The main way to store information in the middle of a PHP program is by using a variable. … The value of a variable is the value of its most recent assignment.

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What is local variable in PHP?

Local variables: The variables declared within a function are called local variables to that function and has its scope only in that particular function. In simple words, it cannot be accessed outside that function.

How many types of PHP are there?

Data Types in PHP

PHP supports total eight primitive data types: Integer, Floating point number or Float, String, Booleans, Array, Object, resource and NULL. These data types are used to construct variables. Now let’s discuss each one of them in detail.

What is data type example?

This data comes in different forms. Examples include: your name – a string of characters.

Discussion.

Data Type Represents Examples
floating point (real) fractional numbers -87.5 , 0.0 , 3.14159
string A sequence of characters “Hello world!”
Boolean logical true or false true , false
nothing no data null