Insert/Update/Delete in Phalcon Database

Phalcon is a PHP web application framework that offers a high-performance, lightweight, and low-level database access layer. With Phalcon database, you can perform various database operations including insert, update, and delete operations. In this tutorial, we will learn how to perform insert, update, and delete operations in Phalcon.

Syntax

The syntax for performing insert, update, and delete operations in Phalcon is as follows:

Insert

$phql = "INSERT INTO [table] ([column1], [column2], ...) VALUES (:value1:, :value2:, ...)";
$this->modelsManager->executeQuery($phql, [
  'value1' => $value1,
  'value2' => $value2,
  ...
]);

Update

$phql = "UPDATE [table] SET [column1] = :value1:, [column2] = :value2:, ... WHERE [condition]";
$this->modelsManager->executeQuery($phql, [
  'value1' => $value1,
  'value2' => $value2,
  ...
]);

Delete

$phql = "DELETE FROM [table] WHERE [condition]";
$this->modelsManager->executeQuery($phql);

Example

Consider the following scenario where we want to insert, update, and delete data in a table called users:

// Insert operation
$phql = "INSERT INTO users (name, email) VALUES (:name:, :email:)";
$this->modelsManager->executeQuery($phql, [
  'name' => 'John Doe',
  'email' => 'johndoe@example.com'
]);

// Update operation
$phql = "UPDATE users SET name = :name: WHERE email = :email:";
$this->modelsManager->executeQuery($phql, [
  'name' => 'Jane Doe',
  'email' => 'johndoe@example.com'
]);

// Delete operation
$phql = "DELETE FROM users WHERE email = :email:";
$this->modelsManager->executeQuery($phql, [
  'email' => 'johndoe@example.com'
]);

Explanation

In the example above, we perform insert, update, and delete operations in Phalcon. For the insert operation, we use a INSERT INTO query to insert a new user into the users table. We use named placeholders to pass the values to the query.

For the update operation, we use a UPDATE query to update the name column of the user with the email johndoe@example.com. We again use named placeholders to pass the values to the query.

For the delete operation, we use a DELETE FROM query to delete the user with the email johndoe@example.com. We pass the email as a named placeholder to the query.

Use

Performing insert, update, and delete operations in Phalcon is essential for managing database records in web applications. These operations are used to add, modify, and delete records in the database. Phalcon's database layer provides a simplified way to perform these operations, making it easier to manage data in web applications.

Important Points

• Phalcon provides a simplified way to perform insert, update, and delete operations in the database.
• Phalcon uses named placeholders to pass values to these queries.
• These operations are essential for managing database records in web applications.

Summary

Performing insert, update, and delete operations in Phalcon is essential for managing database records in web applications. Phalcon's database layer provides a simplified way to perform these operations, making it easier to manage data in web applications. These operations use named placeholders to pass values to the queries, and are essential for modifying and deleting records in the database.