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PHP Querying a database


<?php
//Create a new SQLite3 object from a database file on the server.
 $database = new SQLite3('mysqlitedb.db');
//Query the database with SQL
 $results = $database->query('SELECT bar FROM foo');
//Iterate through all of the results, var_dumping them onto the page
 while ($row = $results->fetchArray()) {
  var_dump($row);
 }
?>

Retrieving only one result


In addition to using LIMIT SQL statements you can also use the SQLite3 function querySingle to retrieve a single row, or the first column.

<?php
 $database = new SQLite3('mysqlitedb.db');
//Without the optional second parameter set to true, this query would return just
//the first column of the first row of results and be of the same type as columnName
 $database->querySingle('SELECT column1Name FROM table WHERE column2Name=1');
//With the optional entire_row parameter, this query would return an array of the
//entire first row of query results.
 $database->querySingle('SELECT column1Name, column2Name FROM user WHERE column3Name=1', true);
?>


Conclusion

In this page (written and validated by ) you learned about PHP Querying a database . What's Next? If you are interested in completing PHP tutorial, your next topic will be learning about: PHP Using MongoDB.



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