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Backup Your MySQL Database Using PHP
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<?php | |
// Backup Your MySQL Database Using PHP | |
// ------------------------------------ | |
// Source : http://davidwalsh.name/backup-mysql-database-php | |
// Use : backup_tables('localhost','username','password','blog'); | |
// ( - 5th param would be the tables, empty or * will get all the complete db. ) | |
/* Backup the db OR just a table */ | |
function backup_tables($host,$user,$pass,$name,$tables = '*') { | |
$link = mysql_connect($host,$user,$pass); | |
mysql_select_db($name,$link); | |
// 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) { | |
$result = mysql_query('SELECT * FROM '.$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++) { | |
$row[$j] = addslashes($row[$j]); | |
$row[$j] = ereg_replace("\n","\\n",$row[$j]); | |
if (isset($row[$j])) { $return.= '"'.$row[$j].'"' ; } else { $return.= '""'; } | |
if ($j<($num_fields-1)) { $return.= ','; } | |
} | |
$return.= ");\n"; | |
} | |
} | |
$return.="\n\n\n"; | |
} | |
// Save file | |
$handle = fopen('db-backup-'.time().'-'.(md5(implode(',',$tables))).'.sql','w+'); | |
fwrite($handle,$return); | |
fclose($handle); | |
} | |
?> |
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