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Open your text editor and create a new document named model.php model.php will contain functions that will connect to a database potentially return PDO statement objects to the controller for processing. updateMessages function updateMessages($id) This method will take a single parameter of id which is the saved id from the last or latest message displayed. It will conditionally select from the table “messages”, id, name, message, and time. The condition is that the field id is greater than the parameter for id. The return is the PDOStatement object with the row data from the query.

Open your text editor and create a new document named model.php model.php will contain functions that will connect to a database potentially return PDO statement objects to the controller for processing. updateMessages function updateMessages($id) This method will take a single parameter of id which is the saved id from the last or latest message displayed. It will conditionally select from the table “messages”, id, name, message, and time. The condition is that the field id is greater than the parameter for id. The return is the PDOStatement object with the row data from the query.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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  • Open your text editor and create a new document named model.php
  • model.php will contain functions that will connect to a database potentially return PDO statement
    objects to the controller for processing.

updateMessages
function updateMessages($id)
This method will take a single parameter of id which is the saved id from the last or latest message displayed. It will conditionally select from the table “messages”, id, name, message, and time. The condition is that the field id is greater than the parameter for id. The return is the PDOStatement object with the row data from the query.

# Name ☐ 1 id id □ 2 name ☐ 3 message 0 4 time Type bigint(20) varchar(25) varchar(254) bigint(20) Collation utf8_general_ci utf8_general_ci Attributes Null Default Comments No None Yes NULL Yes NULL No None Extra AUTO_INCREMENT Action ✔Change Change Change Change & Drop → Drop Drop Drop ✓ More More More ✓ More
Transcribed Image Text:# Name ☐ 1 id id □ 2 name ☐ 3 message 0 4 time Type bigint(20) varchar(25) varchar(254) bigint(20) Collation utf8_general_ci utf8_general_ci Attributes Null Default Comments No None Yes NULL Yes NULL No None Extra AUTO_INCREMENT Action ✔Change Change Change Change & Drop → Drop Drop Drop ✓ More More More ✓ More
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