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
What happens when we declare a local variable with the same name as a global variable in PHP?
Tuesday, 08 August 2023
by EITCA Academy
When declaring a local variable with the same name as a global variable in PHP, the local variable takes precedence over the global variable within its scope. This behavior is due to the scoping rules defined by PHP, which determine how variables are accessed and resolved. In PHP, variables can have different scopes, such as