What are the best practices for handling function parameters in PHP to avoid errors like the one described in the thread?

Issue: The error described in the thread likely occurred due to incorrect handling of function parameters in PHP. To avoid such errors, it is essential to properly validate and sanitize function parameters before using them in the function's logic. This can help prevent unexpected input values from causing issues within the function. 

function exampleFunction($param1, $param2) {
    // Validate and sanitize parameters before using them
    $param1 = filter_var($param1, FILTER_SANITIZE_STRING);
    $param2 = filter_var($param2, FILTER_SANITIZE_NUMBER_INT);

    // Rest of the function's logic
}

Keywords

type hinting strict typing default values null coalescing operator error handling

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