You are developing a PHP script where you need to ensure that a particular value, say the company name, remains unchanged throughout the script. Which of the following would be the best approach?
- Define a constant
- Use a global variable
- Pass the value as a function parameter
- Store the value in a session variable
Defining a constant in PHP ensures that the value remains unchanged throughout the script, providing a read-only variable. This is suitable for constant values like company names.
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