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Export SQL in PHP
Steps:
1. Create a database with name test and create mysql connection.
2. Create a function backup_tables(‘localhost’, ’root’, ’’, ’test’).
3. This function first select table and then generate a create table query then apply insert query which will be store in $return variable.
4. Then write that all return content on a file and export it.View Code PHP1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
<!--?php backup_tables('localhost','root','','test); /* backup the db OR just a table */ function backup_tables($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); } 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)); //Create table query $return.= "\n\n".$row2[1].";\n\n"; for ($i = 0; $i < $num_fields; $i++) //Insert queries { while($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 $filename='db-backup-'.time().'-'.(md5(implode(',',$tables))); $handle = fopen(,'w+'); fwrite($handle,$return); fclose($handle); header("Content-type: application/sql"); header("Content-disposition: filename=".$filename.".sql"); print $return; die; } ?-->
