Are there best practices for integrating HTML and PHP for text formatting in forms?

When integrating HTML and PHP for text formatting in forms, it is best practice to use PHP to handle the logic and processing of form submissions, while using HTML to structure the form layout and display the data. To format text inputted by users in a form, you can use PHP functions like htmlspecialchars() to prevent XSS attacks and htmlentities() to convert special characters to HTML entities for safe display. 

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $input_text = $_POST['input_text'];
    $formatted_text = htmlspecialchars($input_text, ENT_QUOTES);
    
    echo "Formatted Text: " . $formatted_text;
}
?>

<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
    <label for="input_text">Input Text:</label>
    <input type="text" name="input_text" id="input_text">
    <input type="submit" value="Submit">
</form>

Keywords

HTML PHP text formatting forms integration

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