PHP PDO Insert
<?php
// instantiate database instance
$statement = Database::getInstance()->query(
"SELECT
*
FROM
table_name"
);
$results = $statement->fetchAll(PDO::FETCH_ASSOC);
<?php
// insert to database
$statement = Database::getInstance()->prepare(
"INSERT INTO
table_name(field1, field2)
VALUES
(:field1, :field2)"
);
// assign variables to each place holder, indexed 1-3
$statement->execute(array(':field1' => $field1, ':field2' => $field2));