string datatype in php(fourth session with interview question)|How to get php job

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Datatype
Variables can store data in different types
1.String
2.Integer
3.Float
4.Boolean
5.Array
6.Object
7.NULL
8.Resource

String
String is a group of characters.It consists of letters,numbers and special characters.
String is enclosed within single quotes or double quotes.
Example:
$a = ‘Hello world’;
Echo $a;