PHP syntax summary

One 、 Database connection

1. Database configuration

$db = array();
$db['PassWord'] = '1';                                    //  Database connection password 
$db['UserName'] = 'root';	                              //  Database connection user name 
$db['database'] = 'talentpool';                           //  Database connection name 
$db['hostname'] = '192.168.121.76:3306';                  //  Database connection server address 
$connectistr="Provider=SQLOLEDB.1;Password=$db[PassWord];Persist Security Info=True;User ID=$db[UserName];Initial Catalog=$db[database];Data Source=$db[hostname]";
$GLOBALS['connection'] = new LADOConnection($connectistr);

2. Database call

// First line database file import 
require db.php;

$query = new LADQuery($GLOBALS['connection']);
$SQLText= "";
$query -> SetSQL($SQLText);
if ($query -> Open() == TRUE){
    $temp = $query -> FieldByName('name') ->AsString();   // name  Must be in select Queried in statement 
}

Two 、PHP Of for Circulation and foreach loop

//  Calculate the length of the array  count($arr) 

foreach($arr as $data)
{
    if($data['aa'] == 1){
        //  operation 
    }
}