What are the potential pitfalls of using == instead of = in SQL queries in PHP?

Using == instead of = in SQL queries in PHP can lead to unintended consequences, as == is used for comparison while = is used for assignment. This can result in incorrect query conditions and potentially cause errors or unexpected behavior in your application. To avoid this issue, always use = when assigning values to SQL query parameters.

// Incorrect usage of == in SQL query
$query = "SELECT * FROM users WHERE id == 1";

// Corrected query using =
$query = "SELECT * FROM users WHERE id = 1";