php小型数据库（不用mysql做网站)

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; $i insert("key{$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; //*/