What are some best practices for writing clean and efficient PHP code?

One best practice for writing clean and efficient PHP code is to use proper indentation and spacing to improve readability. This can help make the code easier to understand and maintain. Another best practice is to avoid unnecessary nesting and use descriptive variable names to make the code more self-explanatory. 

// Example of clean and efficient PHP code with proper indentation and spacing
$firstName = "John";
$lastName = "Doe";

echo "Hello, $firstName $lastName!";

Keywords

PHP coding standards performance optimization code refactoring error handling

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