Which One Is Not Data Type in PHP?


Scott Campbell

Which One Is Not Data Type in PHP?

PHP is a versatile programming language that offers various data types to store different kinds of information. Understanding these data types is essential for effective coding and data manipulation. In this article, we will explore the different data types available in PHP and identify the one that does not belong to this category.

PHP Data Types

In PHP, data types are used to define the nature of variables. Each data type has specific characteristics and supports different operations. Let’s take a look at the commonly used data types in PHP:

  • Integer: Represents whole numbers without decimal points.
  • Float: Represents numbers with decimal points.
  • String: Represents a sequence of characters.
  • Boolean: Represents either true or false.
  • Array: Represents an ordered collection of values.
  • Object: Represents an instance of a class.
  • Null: Represents the absence of any value or uninitialized variables.

The Odd One Out

All the aforementioned data types are integral parts of PHP’s core functionality. However, there is one that does not belong to this list – resource.

A resource is a special type in PHP used to represent external resources such as database connections, file handlers, or network sockets. These resources are typically created and managed by functions provided by external libraries or extensions. Although they behave like regular variables, they are not considered standard data types because they don’t store values directly but rather act as references to external resources.

When working with resources, it’s important to use the appropriate functions to handle them properly. For example, when dealing with database connections, you should close the connection using the appropriate function to release the associated resources and avoid memory leaks.


In PHP, data types are crucial for storing and manipulating different kinds of information. Understanding the various data types available helps developers write more efficient and error-free code.

In this article, we explored the common data types in PHP and identified the odd one out – resource. Remember to handle resources appropriately by using the corresponding functions provided by external libraries or extensions.

With this knowledge of PHP’s data types, you are well-equipped to write robust and reliable code for your web applications.

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