Tip : all about php data types

PHP supports eight data types :

Four scalar types :

1. boolean
2. integer
3. float
4. string

two compund types :

1. array
2. object

and finally two special types :

1. resource
2. null

You can find out a variable or expressions value and type bu using var_dump function, gettype function can also be used for finding out the type of a variable.

If you want to converta variable to a specific data type you can use settype function. Alternatively you can aslo cast it to a different type. You can use following casts to convert a variable to your desired data type in php :

1. (bool), (boolean)
2. (int), (integer)
3. (float) (real), (double)
4. (string)
5. (array)
6. (object)

[garima]

• type of datatype are:-
• Numeric data type
• String data type
• Array data type

Numeric data type
Numeric data type is used for number. There are two different numeric data types:

• Integer
• Double

1) Integer Data Type
Integer data types contain whole number values.
2) Doubles
Double contains floating point numbers.
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