How to Check a Value Is Numeric in PHP
Definition and Usage of is_numeric in PHP The is_numeric() function describes whether a variable is a number or a string of numbers. If the variable is a number or a …
PHP Anonymous Functions with Example Programs
What are PHP anonymous functions? PHP anonymous functions are also called closure or lambda functions. This allows programmers to create and use functions even that are not specified in the …
PHP Capitalize First Letter with Best Example
PHP has many built-in functions that make the first letter capital. We are going to show you three methods on how to capitalize the first letter of a string in …
Use Case Diagram for Online Hotel Reservation System
The Online Hotel Reservation System Use Case Diagram is one of the methods used to show the processes involved in an online hotel reservation system. It depicts the system’s supposed …
Class Diagram for Library Management System
A Library Management System Class Diagram is a form of structural (UML) diagram that depicts the library’s management structure. This is designed by displaying the system’s classes, attributes, methods, and …
Not in Array PHP (With Advanced Program Examples)
This topic is all about identifying how to use the functions in_array() and not in array in PHP. This will deepen your knowledge about PHP programming by learning the in_array …
Const PHP Class (With Example Programs)
What is const PHP class? The const PHP class is the function used to define or apply the constant as a class in programming. This is usually applied when you …
DFD for Hotel Management System – Data Flow Diagram
The DFD for Hotel Management System is an overall flow of how the data moves through a system, describing its inputs and outputs process within the entire system. Furthermore, the data flow …
DFD for Hospital Management System – Data Flow Diagram
The DFD for Hospital Management System is a representation of the overall flow of data related to all departments of healthcare such as medical, financial, and laboratories. Its overall flow …
DFD for Library Management System – Data Flow Diagram
The DFD for the Library Management System is a representation of the overall flow of data and the transformations made when data are processed by the library management system. In …
DFD for Student Management System – Data Flow Diagram
The DFD for Student Management System is an overall flow of how the data moves through a system, describing its inputs and outputs processes. In addition, the data flow diagram …
Use Case Diagram for Hospital Management System
The simple use case diagram for hospital management system is the visual representation of processes involved in hospital management system. It explains the system’s supposed structure and behavior. Use cases …
DFD for Railway Reservation System – Data Flow Diagram
The DFD for Railway Reservation System is the overall flow of data on the project. It is used to document the transformation of data (input-output) for project development. The railway …