<?php
/*
 * $query = sprintf("SELECT firstname, lastname, address, age FROM friends
 * WHERE firstname='%s' AND lastname='%s'",
 * mysql_real_escape_string($firstname),
 * mysql_real_escape_string($lastname));
 *
 *
 */
class SQL {
  private $h;
  private $res = false;
  private $m;
  public $salt;
  public $pre;
  public $cnt_get = 0;
  public $cnt_set = 0;
  public function __construct() {
    require_once ('secret.php');

    $this->m = $_m;
    $this->pre = $_m ['pre'];
    $this->salt = $_m ['salt'];
    if (SQL_LOG)
      $this->f = fopen ( 'sql.log', 'w' );

    $this->h = mysqli_connect ( $_m ['host'], $_m ['user'], $_m ['pass'] );
    //var_dump ( $this->h );
    if (! $this->h) {
      return false;
    }
    mysqli_select_db ( $this->h, $_m ['data'] );
    return true;
  }
  private function prepare($q, $t, $p) {
    $t = str_split ( $t );
    $v = array ();
    $q = str_replace ( "?", "%s", $q );
    foreach ( $t as $i => $c ) {
      switch ($c) {
        case 's' :
          $v [] = "'" . mysqli_real_escape_string ( $this->h, $p [$i] ) . "'";
          break;
        case 'i' :
          $v [] = ( int ) $p [$i];
          break;
        case 'd' :
          $v [] = ( double ) $p [$i];
          break;
        default :
        //return false;
      }
    }

    $res = array ();
    switch (count ( $p )) {
      case 0 :
        $res = mysqli_query ( $this->h, $q );
        break;
      case 1 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0] ) );
        break;
      case 2 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1] ) );
        break;
      case 3 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2] ) );
        break;
      case 4 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3] ) );
        break;
      case 5 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4] ) );
        break;
      case 6 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5] ) );
        break;
      case 7 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6] ) );
        break;
      case 8 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7] ) );
        break;
      case 9 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7], $v [8] ) );
        break;
      case 10 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7], $v [8], $v [9] ) );
        break;
      case 11 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7], $v [8], $v [9], $v [10] ) );
        break;
      case 12 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7], $v [8], $v [9], $v [10], $v [11] ) );
        break;
      case 13 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7], $v [8], $v [9], $v [10], $v [11], $v [12] ) );
        break;
      case 14 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7], $v [8], $v [9], $v [10], $v [11], $v [12], $v [13] ) );
        break;
      case 15 :
        $res = mysqli_query ( $this->h, sprintf ( $q, $v [0], $v [1], $v [2], $v [3], $v [4], $v [5], $v [6], $v [7], $v [8], $v [9], $v [10], $v [11], $v [12], $v [13], $v [14] ) );
        break;
    }
    //echo 'ERROR:';
    //var_dump ( mysqli_error_list ( $this->h ) );
    //echo '<br>';
    /*
     * if (! $res || mysqli_errno ( $this->h )) {
     * return false;
     * }
     */
    return $res;
  }
  public function get($que, $t = '', $p = array ()) {
    // echo $que;
    $this->cnt_get ++;
    if (SQL_LOG)
      fputs ( $this->f, str_replace ( array (
          "\n",
          "	"
      ), array (
          ' ',
          ''
      ), $que ) . "\n" . print_r ( $p, true ) . "\n\n" );
    $res = $this->prepare ( $que, $t, $p );
    //var_dump ( $res );
    //echo '<hr>';
    $ret = array ();

    // print_r($statement);
    if (! $res) {
      if (SQL_LOG)
        fputs ( $this->f, mysqli_error ( $this->h ) );
      return false;
    }
    while ( $row = $res->fetch_assoc () ) {
      $ret [] = $row;
    }

    //var_dump ( $ret );
    //echo '<hr><hr>';
    return $ret;
  }
  public function single($que, $t = '', $p = array ()) {
    $data = $this->get ( $que, $t, $p );
    if ($data) {
      return $data [0];
    }
    return false;
  }
  public function list($que, $t = '', $p = array ()) {
    $data = $this->get ( $que, $t, $p );
    if ($data) {
      $ret = array ();
      foreach ( $data as $d ) {
        foreach ( $d as $k => $v ) {
          $ret [] = $v;
        }
      }
      return $ret;
    }
    return false;
  }
  public function keyval($que, $k, $v, $t = '', $p = array ()) {
    $data = $this->get ( $que, $t, $p );
    if ($data) {
      $ret = array ();
      foreach ( $data as $d ) {
        $ret [$d [$k]] = $d [$v];
      }
      return $ret;
    }
    return false;
  }
  public function set($que, $t = '', $p = array (), $id = false) {
    // echo $que;
    $this->cnt_set ++;
    if (SQL_LOG)
      fputs ( $this->f, str_replace ( array (
          "\n",
          "	"
      ), array (
          ' ',
          ''
      ), $que ) . "\n" . print_r ( $p, true ) . "\n\n" );
    $res = $this->prepare ( $que, $t, $p );

    if (! $res) {
      if (SQL_LOG)
        fputs ( $this->f, mysqli_error ( $this->h ) );
      return false;
    }

    if ($id) {
      return mysqli_insert_id ( $this->h );
    } else {
      return ( bool ) mysqli_affected_rows ( $this->h );
    }
  }
  function __destruct() {
    mysqli_close ( $this->h );
  }
}
?>