How can the issue of runtime errors related to invalid characters be debugged effectively in PHP scripts?

Runtime errors related to invalid characters in PHP scripts can be debugged effectively by using functions like `utf8_encode()` or `mb_convert_encoding()` to ensure that the input data is properly encoded. Additionally, using `htmlspecialchars()` can help sanitize input and prevent invalid characters from causing runtime errors. 

// Example PHP code snippet to handle invalid characters in input data
$input = "Some input with invalid characters ñ";
$clean_input = mb_convert_encoding($input, 'UTF-8', 'UTF-8');

// Use $clean_input in your script to avoid runtime errors related to invalid characters

Keywords

runtime errors invalid characters debugging PHP scripts error types

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