database.inc.php

   1 <?php
   2 $dsn = require '.dbconfig.inc.php';
   3 $Db = new DB($dsn);
   4
   5 class DB
   6 {
   7         public $dbh;
   8
   9         function __construct($config, $options = [])
  10         {
  11                 $options += [
  12                         PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
  13                         PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_OBJ,
  14                 ];
  15                 $this->dbh = new PDO($config, NULL, NULL, $options);
  16         }
  17
  18         function query($sql, $params = [])
  19         {
  20                 $stmt = $this->dbh->prepare($sql);
  21                 $stmt->execute($params);
  22                 return $stmt;
  23         }
  24
  25         function _value($val, &$params)
  26         {
  27                 $params[] = $val;
  28                 return '?';
  29         }
  30
  31         function insert($table, $row)
  32         {
  33                 $params = [];
  34                 $cols = [];
  35                 foreach ($row as $col => $val) {
  36                         $cols[] = $this->_value($val, $params);
  37                 }
  38                 $sql = sprintf('INSERT INTO %s (%s) VALUES (%s)',
  39                         '"'.$table.'"',
  40                         implode(', ', array_keys($row)),
  41                         implode(', ', $cols)
  42                 );
  43                 return $this->query($sql, $params);
  44         }
  45 }