What are the implications of using require to include files in PHP for accessing variables and functions?

When using require to include files in PHP, variables and functions defined in the included file are accessible in the including file. This allows for better organization of code and reusability of functions across multiple files. However, it's important to be mindful of variable scope and potential naming conflicts when including files. 

// Including file with variables and functions
require 'included_file.php';

// Accessing variables and functions from included file
echo $included_variable;
included_function();

Keywords

require include PHP variables functions

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