In the file system, we have directories or folders to keep related files. Similarly, PHP namespaces are used to have related code blocks of a PHP program that are reusable, like, classes, functions, interfaces under its reference. And, PHP namespaces can also capable of containing constants. Operations Performed using PHP NameSpaces With PHP namespaces, we In the file system, we have directories or folders to keep related files. Similarly, PHP namespaces are used to have related code blocks of a PHP program that are reusable, like, classes, functions, interfaces under its reference. And, PHP namespaces can also capable of containing constants. Operations Performed using PHP NameSpaces With PHP namespaces, we In the file system, we have directories or folders to keep related files. Similarly, PHP namespaces are used to have related code blocks of a PHP program that are reusable, like, classes, functions, interfaces under its reference. And, PHP namespaces can also capable of containing constants. Operations Performed using PHP NameSpaces With PHP namespaces, we In the file system, we have directories or folders to keep related files. Similarly, PHP namespaces are used to have related code blocks of a PHP program that are reusable, like, classes, functions, interfaces under its reference. And, PHP namespaces can also capable of containing constants. Operations Performed using PHP NameSpaces With PHP namespaces, we