Search results for: "call by reference"

How can the error message "Strict Standards: Only variables should be passed by reference" be resolved in PHP?

The error message "Strict Standards: Only variables should be passed by reference" occurs when a function is expecting a variable to be passed by refe...

What are the best practices for handling parameter passing in PHP to avoid issues like call by value?

When passing parameters in PHP, it's important to understand that PHP uses call by value by default, which means that the original variable is not mod...

How can foreach be used to pass an array by reference in PHP?

When using foreach loop in PHP, the array elements are passed by value by default, meaning any modifications made to the array elements within the loo...

When should parameters in PHP functions be passed by reference using the & symbol?

Parameters in PHP functions should be passed by reference using the & symbol when you want to modify the original value of the variable passed as an a...

How can PHP 4 and PHP 5 handle default values for function parameters passed by reference differently?

In PHP 4, default values for function parameters passed by reference are not supported. However, in PHP 5, default values for parameters passed by ref...