If you want to read all items from a MySQLi database table and save them into a text file, you can modify the previous example code like this:

// Connect to the database
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}

// Select all data from the table
$sql = "SELECT name, email, phone, message FROM contact_form";
$result = $conn->query($sql);

// Check if any results were returned
if ($result->num_rows > 0) {
  // Create a string with the data for all rows
  $data = "";
  while ($row = $result->fetch_assoc()) {
    $data .= "Name: " . $row["name"] . "\n";
    $data .= "Email: " . $row["email"] . "\n";
    $data .= "Phone: " . $row["phone"] . "\n";
    $data .= "Message: " . $row["message"] . "\n\n";
  }

  // Write the data to a file
  $filename = "contact_data.txt";
  $file = fopen($filename, "w");
  fwrite($file, $data);
  fclose($file);

  echo "Data saved to file: " . $filename;
} else {
  echo "No results found.";
}

// Close the database connection
$conn->close();

In this modified code, we're selecting all rows from the contact_form table and creating a string with the data for each row using a while loop. We're also adding an extra newline character \n between each row to make the text file more readable.

Note that if you have a large amount of data in the table, you may want to consider paginating the results or limiting the number of rows returned to avoid memory issues. You can use the LIMIT and OFFSET clauses in the SQL query to achieve this.

Again, make sure to properly sanitize and validate user input to prevent SQL injection attacks and other security vulnerabilities, and handle any errors that may occur when reading from the database or writing to the file.

Here's a basic PHP code to create a customer form with input fields and save the data to a file:

HTML Form Code:

<form method="post" action="save_data.php">
  <label for="name">Name:</label>
  <input type="text" name="name" id="name" required>
  
  <label for="email">Email:</label>
  <input type="email" name="email" id="email" required>
  
  <label for="phone">Phone:</label>
  <input type="text" name="phone" id="phone" required>
  
  <input type="submit" value="Submit">
</form>

PHP Code to Save Data to a File (save_data.php):

<?php
// Get form data
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];

// Define file name and location
$file = "customer_data.txt";

// Open file in append mode
$fp = fopen($file, "a");

// Write customer data to file
fwrite($fp, $name . "," . $email . "," . $phone . "\n");

// Close file
fclose($fp);

// Redirect user back to form
header("Location: customer_form.php");
?>

This code will save the customer data to a file called "customer_data.txt" in the same directory as the PHP script. The data will be saved in CSV format, with each line containing the name, email, and phone number of a single customer.

Note: Be sure to validate and sanitize the user input to prevent security issues like SQL injection or cross-site scripting (XSS).

Here's an example PHP code that reads the customer data from the "customer_data.txt" file and displays it in a table format using your custom layout:

<?php
// Define file name and location
$file = "customer_data.txt";

// Read file into array
$data = file($file);

// Output table header
echo "<table>";
echo "<tr><th>Name</th><th>Email</th><th>Phone</th></tr>";

// Loop through data and output table rows
foreach($data as $line) {
  $fields = explode(",", $line);
  echo "<tr>";
  echo "<td>" . $fields[0] . "</td>";
  echo "<td>" . $fields[1] . "</td>";
  echo "<td>" . $fields[2] . "</td>";
  echo "</tr>";
}

// Output table footer
echo "</table>";
?>

In this code, we first define the file name and location, and then use the file() function to read the contents of the file into an array.

We then loop through the array and split each line into fields using the explode() function. We output the data in a table format using your custom layout, with each row containing the name, email, and phone number of a single customer.

You can customize the HTML code inside the loop to match your custom layout.

Yes, a disc storage lock can be picked open, although the level of difficulty will depend on the specific lock and the skill of the person attempting to pick it. Disc storage locks are designed to be difficult to pick, but they are not completely impervious to picking.

Disc storage locks typically have a series of pins inside them that must be aligned in a certain way in order for the lock to be opened. A skilled lock picker can use specialized tools, such as picks and tension wrenches, to manipulate the pins and get them into the correct position to open the lock.

However, picking a disc storage lock can be time-consuming and require a lot of skill and practice, so it's not something that can be easily done by someone who is not experienced in lock picking. Additionally, there are other methods of bypassing a lock, such as using a key, using a bypass tool, or drilling the lock, that may be easier or faster than picking the lock.

If a customer refuses to pay you for your locksmith services, you may take the following actions to try and get your money:

1. Contact the customer: The first step is to contact the customer and remind them of the outstanding payment. You can send an email or letter requesting payment, or call them directly. Be polite but firm, and provide them with a deadline by which they must pay.

2. Offer a payment plan: If the customer is unable to pay the full amount at once, you can offer them a payment plan that allows them to pay in installments.

3. Send a demand letter: Send a demand letter to the customer, clearly stating the amount owed, the services rendered, and the payment deadline. The letter should be firm but professional, and should give the customer a chance to pay before further action is taken.

4. Consider a debt collection agency: If the customer still refuses to pay, you can consider hiring a debt collection agency. These agencies are trained in debt collection techniques and can often be more effective than individual efforts. They will typically charge a percentage of the amount collected as their fee.

5. File a small claims lawsuit: If the customer still refuses to pay, you can file a lawsuit in small claims court. Small claims court is designed for disputes involving relatively small amounts of money, and you can represent yourself without a lawyer. Be sure to gather all relevant documentation and evidence to support your case.

It's important to remember to always act professionally and within the bounds of the law when attempting to collect payment. Avoid any actions that could be construed as harassment or intimidation. It's important to note that debt collection is regulated by the Fair Debt Collection Practices Act (FDCPA). This law prohibits debt collectors from engaging in abusive, deceptive, or unfair practices when attempting to collect a debt. Always be sure to follow the law and act professionally when pursuing debt collection.