PHP database backup restore function _php Tutorial

PHP Database backup Restore function article provides a backup restore function This is a function that can be backed up or restored using PHP, but also support the local code saved after backup Oh, well, look at the source below.

PHP Tutorial Database Tutorial Backup Restore function
The article provides a backup restore function this is the use of PHP written can be back up or can restore the function, but also support the backup after saving to the local code oh, well, look at the source below.
*/

Backup Restore function

function Write_file ($sql, $filename) {
$re =true;
if (fopen ("./www.bkjia.c0m/". $filename, "W" >!@ $fp =fopen ("./www.bkjia.c0m/". $filename, "w+")) {$re =false; echo " Failed to open target file ";}
if (! @fwrite ($FP, $sql)) {$re =false; echo "Failed to write file";}
if (! @fclose ($fp)) {$re =false; echo "failed to close target file";}
return $re;
}
function Down_file ($sql, $filename) {
Ob_end_clean ();
Header ("Content-encoding:none");
Header ("Content-type:". ( Strpos ($_server[' http_user_agent '), ' msie ')? ' Application/octetstream ': ' Application/octet-stream ');

Header ("Content-disposition:". ( Strpos ($_server[' http_user_agent '), ' msie ')? ' Inline; ': ' Attachment; ')." Filename= ". $filename);

Header ("Content-length:". strlen ($sql));
Header ("Pragma:no-cache");

Header ("expires:0");
Echo $sql;
$e =ob_get_contents ();
Ob_end_clean ();
}

function writeable ($dir) {
if (!is_dir ($dir)) {
@mkdir ($dir, 0777);
}
if (Is_dir ($dir)) {
if ($fp = @fopen ("$dir/test.test", ' W ')) {
@fclose ($FP);
@unlink ("$dir/test.test");
$writeable = 1;
}else {
$writeable = 0;
}
}
return $writeable;
}

function Make_header ($table) {
Global $db;
$sql = "DROP table if exists '". $table. " '; n ';
$db->query ("Show create TABLE". $table);
$db->nextrecord ();
$tmp =preg_replace ("/n/", "", $db->f ("CREATE TABLE"));
$sql. = $tmp. "; n ";
return $sql;
}

function Make_record ($table, $num _fields) {
Global $db;
$comma = "";
$sql. = "INSERT into". $table. "VALUES (";
for ($i = 0; $i < $num _fields; $i + +)
{$sql. = ($comma. "". MySQL tutorial _escape_string ($db->record[$i]). $comma = ",";}
$sql. = "); n";
return $sql;
}

function Show_msg ($MSGS) {
$i = 0;
$tm 1 = "

Tip Information:

"; while (list ($k, $v) =each ($msgs)) { $i = $i +1; $t 1 = " $i. ". $v. " "; $t = $t. $t 1; } $tm 2 = "

";
Return $TM 1. $t. $TM 2;
}

function Pageend () {
Exit ();
}

Function Import ($fname) {
Global $db;
$sqls =file ($fname);
foreach ($sqls as $sql) {
Str_replace ("R", "", $sql);
Str_replace ("n", "", $sql);
if (! $db->query (Trim ($sql))) return false;
}
return true;
}
?>

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