What are the best practices for handling form data and querying databases in PHP to prevent issues like only saving the last record?

When handling form data and querying databases in PHP, it is important to ensure that each record is saved individually to prevent issues like only saving the last record. One way to solve this issue is by using prepared statements and binding parameters to safely insert data into the database. By looping through the form data and executing the query for each record separately, you can ensure that each record is saved correctly. 

// Assuming $conn is the database connection object

// Loop through form data
foreach ($_POST['records'] as $record) {
    // Prepare the SQL statement
    $stmt = $conn->prepare("INSERT INTO table_name (column1, column2) VALUES (?, ?)");
    
    // Bind parameters
    $stmt->bind_param("ss", $record['value1'], $record['value2']);
    
    // Execute the query
    $stmt->execute();
    
    // Close the statement
    $stmt->close();
}

Keywords

form data querying databases PHP prevent issues saving last record

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