什么是备份的最佳方式利用MySQL的PHP和后台数据的数据库,我试图寻找在线教程,但我似乎不明白很好很好,我写这虽然它不是很好的工作,即时得到这些错误和警告如何在PHP中创建一个备份数据库脚本和zip它
Warning: gzopen(backups/adminpanel/adminpanel_aggrement_1367616442.sql.gz): failed to open stream: No such file or directory in C:\xampp\htdocs\how are things\admin panel\backup.php on line 17
Notice: Undefined variable: time in C:\xampp\htdocs\how are things\admin panel\backup.php on line 30
The file--backups/adminpanel/aggrement_.sql.gz--could not be opened for writing.
上线17和30的代码是这样
if ($fp = gzopen ("$dir/{$db_name}_{$table}_{$bu_time}.sql.gz", 'w9')) {
echo "<p>The file--$dir/{$table}_{$time}.sql.gz--could not be opened for writing.</p>\n";
这是我的代码
<?php
$db_name = 'adminpanel';
$dir = "backups/$db_name";
if (!file_exists('path/to/directory')) {
@mkdir('path/to/directory');
}
$bu_time = time();
$dbc = @mysqli_connect (localhost, root, nokiae71, adminpanel);
$q = 'SHOW TABLES';
$r = mysqli_query($dbc, $q);
if (mysqli_num_rows($r) > 0) {
echo "<p>Backing up database '$db_name'.</p>\n";
while (list($table) = mysqli_fetch_array($r, MYSQLI_NUM)) {
$q2 = "SELECT * FROM $table";
$r2 = mysqli_query($dbc, $q2);
if (mysqli_num_rows($r2) > 0) {
if ($fp = gzopen ("$dir/{$db_name}_{$table}_{$bu_time}.sql.gz", 'w9')) {
while ($row = mysqli_fetch_array($r2, MYSQLI_NUM)) {
foreach ($row as $value) {
gzwrite ($fp, "'$value', ");
}
gzwrite ($fp, "\n");
}
// Close the file:
gzclose ($fp);
} else { // Could not create the file!
echo "<p>The file--$dir/{$table}_{$time}.sql.gz--could not be opened for writing.</p>\n";
break;
}
}
}
} else {
echo "<p>The submitted database--$db_name--contains no tables.</p>\n";
}
?>
我怎样才能使这项工作或者有没有更好的剧本,我可以使用那里......
尝试我如何把这个命令到一个PHP脚本,使其执行 – ROMMEL 2013-05-03 21:54:40