2010/11 : [1]Building Web Applications using MySQL and PHP (W1)OO Mysqli
OO Mysqli
2010/11 : [2]Building Web Applications using MySQL and PHP (W1)OO Mysqli
Object Orientated mysqli
• All the examples so far have used procedural mysqli functions.
• The mysqli extension also supports an object orientated syntax.
• This object orientated syntax is often more compact and easier to follow.
2010/11 : [3]Building Web Applications using MySQL and PHP (W1)OO Mysqli
$db = new mysqli(
'mysqlsrv.dcs.bbk.ac.uk',
'my_username',
'my_password',
'my_db_name');
/* check connection */
if($db->connect_errno){
exit($db->connect_error);
}
Connect Object-Orientated
2010/11 : [4]Building Web Applications using MySQL and PHP (W1)OO Mysqli
/* add student */
$sql = "INSERT INTO students
VALUES ('Jane',26,'female')";
if(!$db->query($sql))
{
exit($db->error);
}
Write Query Object-Orientated
Name Age Sex
Jane 26 female
Table students
2010/11 : [5]Building Web Applications using MySQL and PHP (W1)OO Mysqli
/* get all students */$result = $db->query("SELECT name,age FROM students");/* check query */if($result === false) {
exit($db->error);}/* fetch associative array */while($row = $result->fetch_assoc()){
echo $row['name'].', '.$row['age'].' yrs old';}/* free result set */$result->close();
Read Query Object-Orientated
Name Age Sex
... ... ...
Table students
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