How can the scope of variables affect the ability to access objects within included files in PHP?

The scope of variables in PHP affects the ability to access objects within included files. If a variable is defined within a specific scope, such as a function or a class, it may not be accessible outside of that scope, including in included files. To solve this issue, you can use the global keyword to make the variable accessible globally, or pass the variable as a parameter to the included file. 

// main.php
$variable = "Hello";

// included.php
function displayVariable($var) {
    echo $var;
}

displayVariable($variable);

Keywords

Scope Variables Objects Included files PHP

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