mirror/php-e107
1
0
Fork 0
mirror of https://github.com/e107inc/e107.git synced 2025-08-06 14:46:56 +02:00
Code Issues Releases Wiki Activity

Simple backup() function added.

Browse Source
This commit is contained in:
Cameron
2013-03-04 14:17:07 -08:00
parent 33325c0892
commit 6ba120e826
1 changed files with 70 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
e107_handlers/mysql_class.php
View File

@@ -1721,6 +1721,76 @@ class e_db_mysql
/**
* Dump MySQL Table(s) to a file in the Backup folder.
* @param $table string - name without the prefix or '*' for all
* @param $file string - optional file name. or leave blank to generate.
* @param $options - additional preferences.
*/
function backup($table='*', $file='', $options=null)
{
$dbtable = $this->mySQLdefaultdb;
$fileName = ($table =='*') ? SITENAME : $table;
$fileName = preg_replace('/[^\w]/i',"",$fileName);
$backupFile = ($file) ? e_BACKUP.$file : e_BACKUP.$this->mySQLPrefix.$fileName."_".date("Y-m-d-H-i-s").".sql";
$tableList = ($table=='*') ? $this->db_TableList() : array($table);
foreach ($tableList as $table)
{
unset($text);
$text = "";
$this->gen("SHOW CREATE TABLE `".$this->mySQLPrefix.$table."`");
$row2 = $this->fetch();
$text .= $row2['Create Table'];
$text .= ";\n\n";
file_put_contents($backupFile,$text,FILE_APPEND);
// echo $text;
// ob_end_clean(); // prevents memory exhaustian on large databases but breaks layout. .
$count = $this->gen("SELECT * FROM `#".$table."`");
$data_array = "";
//TODO After so many rows (50,000?), make a new files to avoid overly large inserts.
while($row = $this->fetch())
{
$fields = array_keys($row);
$text = "\nINSERT INTO `".$this->mySQLPrefix.$table."` (`".implode("` ,`",$fields)."`) VALUES \n";
file_put_contents($backupFile,$text,FILE_APPEND);
$d = array();
foreach($fields as $val)
{
$d[] = is_numeric($row[$val]) ? $row[$val] : "'".mysql_real_escape_string($row[$val])."'";
}
$data_array = "(".implode(", ",$d).");\n";
file_put_contents($backupFile, $data_array, FILE_APPEND); // Do this here to save memory.
}
$text = "\n\n\n";
file_put_contents($backupFile, $text, FILE_APPEND);
unset($fields);
}
// file_put_contents('memory.log', 'memory used in line ' . __LINE__ . ' is: ' . memory_get_usage() . PHP_EOL, FILE_APPEND);
}
/**
* @return text string relating to error (empty string if no error)
* @param unknown $from