How can we update the value of a global variable from within a function in PHP?
Tuesday, 08 August 2023 by EITCA Academy
To update the value of a global variable from within a function in PHP, you need to understand the concept of variable scope and how it affects the accessibility of variables within different parts of your code. In PHP, there are several ways to achieve this, including using the global keyword, passing the variable by
- Published in Web Development, EITC/WD/PMSF PHP and MySQL Fundamentals, Advancing in PHP, Variable scope, Examination review
Tagged under: Function, Global Keyword, Global Variable, Globals, Pass By Reference, PHP, Variable Scope, Web Development
How can we access a global variable inside a function in PHP?
Tuesday, 08 August 2023 by EITCA Academy
To access a global variable inside a function in PHP, you can make use of the global keyword. The global keyword allows you to access variables that are defined outside the function's scope. By declaring a variable as global within the function, you can access and modify its value. To illustrate this, let's consider a