How can one refactor code that currently relies on eval() in PHP to improve maintainability and security?

Using eval() in PHP can introduce security vulnerabilities and make the code harder to maintain. To refactor code that relies on eval(), you can replace it with more secure alternatives like function calls or conditional statements. This will improve the maintainability and security of your code. 

// Original code using eval()
$code = 'echo "Hello, World!";';
eval($code);

// Refactored code using function calls
function printHello() {
    echo "Hello, World!";
}
printHello();

Keywords

refactor eval() maintainability security PHP

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