Php Mssql simple encapsulation supports stored procedures

Core code:

<?php

class MssqlUtil {
  var $user = null; //database user name
  var $keys = null; //database user password
  var $host = 'localhost'; //database host name/ip and port
  var $base = null; //database name
  var $link = null; //create link
  
  /** 
   * construct function init all parmeters
   * @param <type> $host database host name/ip and port
   * @param <type> $user database user name
   * @param <type> $keys database user password
   * @param <type> $base database name
   */
  function __construct($host, $user, $keys, $base) {
    $this->host = $host;
    $this->user = $user;
    $this->keys = $keys;
    $this->base = $base;
  }
  
  function connect() {
    $this->link = mssql_connect($this->host, $this->user, $this->keys);
    if (!$this->link) {
      die('connecting failed...check the module and setting...');
    }
    $select = mssql_select_db($this->base, $this->link);
    if (!$select) {
      die('data base is not exist...,please checke it ...');
    }
  }
  
  function executeProcedur($pName, $parName, $sqlTyle) {
    $this->connect();
    $stmt = mssql_init($pName, $this->link);
    if (isset($parName)) {
      $i = 0;
      foreach ($parName as $par => $value) {
        mssql_bind($stmt, $par, $value, $sqlTyle[$i]);
        ++$i;
      }
      $res = mssql_execute($stmt);
      $this->close();
      while ($row = mssql_fetch_assoc($res)) {
        $r[] = $row;
      }
      unset($i);
      mssql_free_result($res);
      mssql_free_statement($stmt);
      return $r;
    }
  }
  
  function executeProcedurNoPar($pName) {
    $this->connect();
    $stmt = mssql_init($pName, $this->link);
    $res = mssql_execute($stmt);
    $this->close();
    while ($row = mssql_fetch_assoc($res)) {
      $r[] = $row;
    }
    mssql_free_result($res);
    mssql_free_statement($stmt);
    return $r;
  }
  
  function getRowArray($sql) {
    $res = $this->query($sql);
    $r = mssql_fetch_row($res);
    mssql_free_result($res);
    return $r;
  }
  
  function getRowObject($sql) {
    $res = $this->query($sql);
    $r = mssql_fetch_assoc($res);
    return $r;
  }
  
  function query($sql) {
    $this->connect();
    $res = mssql_query($sql, $this->link);
    $this->close();
    return $res;
  }
  
  function getResult($sql) {
    $res = $this->query($sql);
    while ($row = mssql_fetch_assoc($res)) {
      $r[] = $row;
    }
    unset($row);
    mssql_free_result($res);
    return $r;
  }
  
  function executeSql($sql) {
    return $this->query($sql);
  }
  
  function querySql($sql) {
    $this->connect();
    mssql_query($sql, $this->link);
    $affected = mssql_rows_affected($this->link);
    $this->close();
    return $affected;
  }
  
  function close() {
    mssql_close();
  }
}
?> 

Now let's talk about downscaling

function __autoload($MssqlUtil) { 
require $MssqlUtil.'.php'; 
} 
$db = new MssqlUtil($config['host'],$config['user'],$config['keys'],$config['base']); 

The following is mainly about stored procedure calls with parameters

$pName  Stored procedure name  
$parName  Parameter, parameter form is very important, is the array type, the corresponding relationship is  
array('@a'=>'a') @a  Is the parameter in the stored procedure, a Is the value to be passed  
$sqlTyle  Is the data type of the stored procedure parameter, is the array form, is also important  
array(SQLCHAR,SQLVARCHAR), Be careful not to put single quotes and so on, because SQLVARCHAR is SQL Some of the constants of  

 Stored procedure with parameters  
$db->executeProcedur($pName,$parName,$sqlTyle); 
 Parameterless stored procedures  
$db->executeProcedurNoPar($pName); 

Select * from t2 where t2.id in(select Max (t2.id) from t1 join t2 on t1.id = t2.pid group by t1.id);
Take the latest data for each category. Make a note here.
T1 is the category table and t2 is the master table