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backup list and backup download (.sql)

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Ricsi
2017-02-23 23:32:02 +01:00
parent 7096af6df3
commit 9440072ee0
9 changed files with 217 additions and 1 deletions
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71
_class/class_sql.php
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@@ -85,8 +85,77 @@ class sql extends mysqli {
return self::query($_query);
}
function export_database($tables=false, $backup_name=false )
{
$name = "badminton_coach";
$this->query("SET NAMES 'utf8'");
$queryTables = $this->query('SHOW TABLES');
while($row = $queryTables->fetch_row())
{
$target_tables[] = $row[0];
}
if($tables !== false)
{
$target_tables = array_intersect( $target_tables, $tables);
}
foreach($target_tables as $table)
{
$result = $this->query('SELECT * FROM '.$table);
$fields_amount = $result->field_count;
$rows_num=$this->affected_rows;
$res = $this->query('SHOW CREATE TABLE '.$table);
$TableMLine = $res->fetch_row();
$content = (!isset($content) ? '' : $content) . "\n\n".$TableMLine[1].";\n\n";
for ($i = 0, $st_counter = 0; $i < $fields_amount; $i++, $st_counter=0)
{
while($row = $result->fetch_row())
{ //when started (and every after 100 command cycle):
if ($st_counter%100 == 0 || $st_counter == 0 )
{
$content .= "\nINSERT INTO ".$table." VALUES";
}
$content .= "\n(";
for($j=0; $j<$fields_amount; $j++)
{
$row[$j] = str_replace("\n","\\n", addslashes($row[$j]) );
if (isset($row[$j]))
{
$content .= '"'.$row[$j].'"' ;
}
else
{
$content .= '""';
}
if ($j<($fields_amount-1))
{
$content.= ',';
}
}
$content .=")";
//every after 100 command cycle [or at last line] ....p.s. but should be inserted 1 cycle eariler
if ( (($st_counter+1)%100==0 && $st_counter!=0) || $st_counter+1==$rows_num)
{
$content .= ";";
}
else
{
$content .= ",";
}
$st_counter=$st_counter+1;
}
} $content .="\n\n\n";
}
//$backup_name = $backup_name ? $backup_name : $name."___(".date('H-i-s')."_".date('d-m-Y').")__rand".rand(1,11111111).".sql";
$backup_name = $backup_name ? $backup_name : $name.".sql";
//header('Content-Type: application/octet-stream');
//header("Content-Transfer-Encoding: Binary");
//header("Content-disposition: attachment; filename=\"".$backup_name."\"");
return $content;
}
}
?>