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$insert_stmt -> bindValue ( ':last_name', $last_name ) $insert_stmt -> bindValue ( ':first_name', $first_name ) $insert_stmt = $pdo -> prepare ( $insert_sql ) $insert_sql = "INSERT INTO `user_details`(`first_name`, `last_name`) Assume the 'user input' values have been sanitized and validated. setAttribute (PDO :: ATTR_ERRMODE, PDO :: ERRMODE_EXCEPTION ) Learn PHP - The PDO (PHP Data Objects) extension allows developers to connect to numerous different types of databases and execute queries against them in a. Let’s add some data to the ‘user_details’ table with this INSERT statement: Suppose we have this ‘user_details’ table with 3 columns: ‘id’, ‘first_name’, and ‘last_name’. PDO is database-agnostic, unlike mysqli which only works with the MySQL Database, and can interact with a number of databases. PDO is database-agnostic, unlike mysqli which only works with the MySQL Database, and can. PDO is an abbreviation for PHP Data Objects and is an interface for working with Databases in PHP. PDO is an abbreviation for PHP Data Objects and is an interface for working with Databases in PHP. Below are many of the common implementations at the time of writing: Most RDBMS support some form of an auto-incrementing column attribute, type, or keyword. Since coffee is my favorite drink, you can even buy me one if you would like! If you enjoy the content written here, by all means, share this blog and your favorite post(s) with others who may benefit from or like it as well. In this post, I’ll visit lastInsertId ( ) with a simple example.
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The PDO PHP library has a like-named class method, lastInsertId ( ), which provides the same functionality as LAST_INSERT_ID ( ) in a PHP context. Many times, you use this value further in query processing (E.g., link a newly signed-on customers’ information to a joining table of orders, ensure referential integrity between parent and child tables using a FOREIGN KEY and PRIMARY KEY, INSERT into another related one-to-one table, etc…). The LAST_INSERT_ID ( ) function returns the most recently generated value for a column with the AUTO_INCREMENT attribute. Therefore, providing a unique value for the column and ensuring each rows’ individual identity.
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Oftentimes, this attribute is set on a column deemed the PRIMARY KEY. MySQL has an AUTO_INCREMENT column attribute which automatically generates a consistent integer value upon a successful (or not) INSERT.