What are common mistakes to avoid when working with dates in PHP and MySQL?
Common mistakes to avoid when working with dates in PHP and MySQL include not using the correct date format, not handling time zones properly, and not sanitizing user input before inserting into the database. To avoid these mistakes, always use the correct date format when working with dates, make sure to set the correct time zone in both PHP and MySQL, and sanitize user input to prevent SQL injection attacks.
// Example of setting the correct time zone in PHP
date_default_timezone_set('America/New_York');
// Example of setting the correct time zone in MySQL
$pdo->exec("SET time_zone = 'America/New_York'");
// Example of sanitizing user input before inserting into the database
$date = mysqli_real_escape_string($conn, $_POST['date']);
$query = "INSERT INTO table (date) VALUES ('$date')";
mysqli_query($conn, $query);