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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 < 100000; $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</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;
//*/

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标签:explode

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