php教程小型数据库教程(不用mysql教程做网站)
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 $pdbm->insert("key{$i}", "value{$i}");
}$timetime = explode(' ', microtime());
$timetime = $timetime[0] + $timetime[1];echo $timetime - $timestart;
//*/读取数据方法
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';
} else {
echo $val."
";
}//$pdbm->delete('key100'); //delete data
$val = $pdbm->fetch('key100');
if ($val == null) {
echo 'not found';
} else {
echo $val."
";
}$timetime = explode(' ', microtime());
$timetime = $timetime[0] + $timetime[1];echo $timetime - $timestart;
//*/