/
db-backup.php
76 lines (58 loc) · 1.62 KB
/
db-backup.php
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<?php
require_once("system-db.php");
start_db();
backup_tables();
/* backup the db OR just a table */
function backup_tables($tables = '*') {
//get all of the tables
if($tables == '*') {
$tables = array();
$result = mysql_query('SHOW TABLES');
while($row = mysql_fetch_row($result)) {
$tables[] = $row[0];
}
} else {
$tables = is_array($tables) ? $tables : explode(',',$tables);
}
//cycle through
foreach($tables as $table) {
echo "<div>Backing up table : $table</div>";
$result = mysql_query('SELECT * FROM '.$table);
$num_fields = mysql_num_fields($result);
$return.= 'DROP TABLE '.$table.';';
$row2 = mysql_fetch_row(mysql_query('SHOW CREATE TABLE '.$table));
$return.= "\n\n".$row2[1].";\n\n";
for ($i = 0; $i < $num_fields; $i++) {
while($row = mysql_fetch_row($result)) {
$return.= 'INSERT INTO '.$table.' VALUES(';
for($j=0; $j<$num_fields; $j++) {
$type = mysql_field_type($result, $j);
if ($type == "blob") {
$row[$j] = bin2hex($row[$j]);
if (isset($row[$j])) {
$return.= '0x'.$row[$j];
} else {
$return.= '""';
}
} else {
$row[$j] = mysql_escape_string($row[$j]);
if (isset($row[$j])) {
$return.= '"'.$row[$j].'"' ;
} else {
$return.= '""';
}
}
if ($j<($num_fields-1)) { $return.= ','; }
}
$return.= ");\n";
}
}
$return.="\n\n\n";
}
//save file
$handle = fopen('backup/db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+');
fwrite($handle,$return);
fclose($handle);
echo "<h2>Done</h2>";
}
?>