अतीत की गूँज - फ्रेमवर्क डेटाबेस 3 से डेटा प्राप्त करना

$config = array( 'url' => 'http://localhost', 'db_host' => 'localhost', 'db_user' => 'mysql', 'db_pass' => 'mysql', 'db_name' => 'fish' ); class dataMiner { private $database = null; private $file_byte_column = null; private $file_byte_table = null; private $filename = null; //    private $string_column_array = array(); private $string_table_array = array(); //     private $column_byte_point = array(0, 129, 1, 255, 129, 5, 0); private $row_start_point = array(0, 129, 1, 255, 129, 8, 0); private $row_string_point = null; //    private function db() { global $config; if($this->database == null) { try { $this->database = new PDO("mysql:host={$config['db_host']};dbname={$config['db_name']}", $config['db_user'], $config['db_pass']); $this->database->setAttribute(PDO::MYSQL_ATTR_INIT_COMMAND, "SET NAMES utf8"); } catch(PDOException $e) { exit("Database connection error ".$e); } } return $this->database; } /** **   */ public function open($file_fw3_name) { $this->filename = $file_fw3_name; $this->file_byte_column = file_get_contents('db/'.$file_fw3_name.'_I.FW3'); $this->file_byte_table = file_get_contents('db/'.$file_fw3_name.'_T.FW3'); return $this; } //         //    //    $this->string_column_array //         public function makeReadable() { //          $point_string = $this->byteToString($this->column_byte_point); $start_point = strpos($this->file_byte_column, $point_string); $end_point = strpos($this->file_byte_column, $point_string, $start_point+1); $length = $end_point - $start_point; $column_string = substr($this->file_byte_column, $start_point+strlen($point_string), $length-strlen($point_string)); $column_array = explode(" ", $column_string); foreach($column_array as $value) { if(strlen($value) > 0) { $this->string_column_array[] = $value; } } //           $this->row_string_point = $this->byteToString($this->row_start_point); $table_start = strpos($this->file_byte_table, $this->row_string_point); $table_end = $this->findEndPoint(); $table_length = $table_end-$table_start; $row_string = substr($this->file_byte_table, $table_start, $table_length); $line_row = explode($this->row_string_point, $row_string); $i_j = 1; //    for($i=1;$i<=sizeof($line_row);$i++) -     foreach($line_row as $single_row) { if(strlen($single_row) > 0) { $item_array = explode(" ", $single_row); foreach($item_array as $field) { if(strlen($field) > 0) $this->string_table_array[$i_j][] = $field; } $i_j++; } } } /** **       */ private function findEndPoint($start = 0, $before_starter = 0) { //    ? if($start == 0) { $start = strpos($this->file_byte_table, $this->row_string_point); } if(FALSE === ($end = strpos($this->file_byte_table, $this->row_string_point, $start+1))) { return $before_starter; } return $this->findEndPoint($end+1, $start); } /** **       */ public function byteToString($data) { return call_user_func_array("pack", array_merge(array("C*"), $data)); } public function storeDb($table) { // ..        prepared statement - ,    //    -     )) $column_size = sizeof($this->string_column_array); $create_query = "CREATE TABLE IF NOT EXISTS `{$table}` ( `table` VARCHAR( 24 ) NOT NULL ,"; $insert_query = "INSERT INTO `{$table}` (`table`, "; for($i=0;$i<sizeof($this->string_column_array);$i++) { if($i==(sizeof($this->string_column_array)-1)) { $create_query .= "`{$this->string_column_array[$i]}` decimal(24,2) NOT NULL DEFAULT '0.00'"; $insert_query .= "`{$this->string_column_array[$i]}`"; } else { $create_query .= "`{$this->string_column_array[$i]}` decimal(24,2) NOT NULL DEFAULT '0.00' , "; $insert_query .= "`{$this->string_column_array[$i]}`, "; } } $create_query .= " ) ENGINE = MYISAM ;"; $insert_query .= ") VALUES "; $s = 1; foreach($this->string_table_array as $row_array) { $field_size = sizeof($row_array); $insert_query .= "( '{$this->filename}', "; foreach($row_array as $field) { $insert_query .= "'{$field}', "; } $null_diff = $column_size-$field_size; for($i=1;$i<=$null_diff;$i++) { if($i==$null_diff) { $insert_query .= "'0.00'"; } else { $insert_query .= "'0.00', "; } } if($s == sizeof($this->string_table_array)) { $insert_query .= " );"; } else { $insert_query .= " ), "; } $s++; } $this->db()->query($create_query); $this->db()->query($insert_query); } public function clean() { $this->file_byte_column = null; $this->file_byte_table = null; $this->string_column_array = array(); $this->string_table_array = array(); } }