What function can be used to prevent data loss or truncation when handling special characters in PHP POST data?

When handling special characters in PHP POST data, the htmlspecialchars() function can be used to prevent data loss or truncation. This function converts special characters to their HTML entities, ensuring that the data is displayed correctly without affecting the code or causing security vulnerabilities. 

// Prevent data loss or truncation when handling special characters in PHP POST data
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $safe_data = array();
    foreach ($_POST as $key => $value) {
        $safe_data[$key] = htmlspecialchars($value);
    }
    
    // Use $safe_data array for further processing
}

Keywords

htmlspecialchars htmlentities addslashes mysqli_real_escape_string data sanitization

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