PHP Small database (do not use MySQL to do the site)

PHP Tutorial Small Database Tutorial (do not use the MySQL tutorial to do the website)
Include ' pdbm.php ';

$timestart = Explode (', microtime ());
$timestart = $timestart [0] + $timestart [1];

$PDBM = new pdbm (' Test ');
$PDBM->open (pdbm_creat | pdbm_rewd);

for ($i = 0; $i < 100000; $i + +) {
$PDBM->insert ("key{$i}", "value{$i}");
}

$timetime = Explode (', microtime ());
$timetime = $timetime [0] + $timetime [1];

Echo $timetime-$timestart;
//*/

Reading data methods

Include ' pdbm.php ';

$timestart = Explode (', microtime ());
$timestart = $timestart [0] + $timestart [1];

$PDBM = new pdbm (' Test ');
$PDBM->open (PDBM_REWD);

$val = $pdbm->fetch (' key9999 ');
if ($val = = null) {
Echo ' not found</br> ';
} else {
echo $val. " <br/> ";
}

$PDBM->delete (' key100 '); Delete data

$val = $pdbm->fetch (' key100 ');
if ($val = = null) {
Echo ' not found</br> ';
} else {
echo $val. " <br/> ";
}

$timetime = Explode (', microtime ());
$timetime = $timetime [0] + $timetime [1];

Echo $timetime-$timestart;
//*/