2019-08-23 11:39:42 +00:00
|
|
|
<?php
|
|
|
|
class Db{
|
|
|
|
private static $join;
|
|
|
|
private static $commandDatabase = array (
|
|
|
|
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
|
|
|
|
PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8",
|
|
|
|
PDO::ATTR_EMULATE_PREPARES => false
|
|
|
|
);
|
|
|
|
|
|
|
|
public static function connect ($host, $user, $password, $database) {
|
|
|
|
if (!isset (self::$join)) {
|
|
|
|
self::$join = @new PDO(
|
|
|
|
"mysql:host=$host;dbname=$database;charset=utf8",
|
|
|
|
$user,
|
|
|
|
$password,
|
|
|
|
self::$commandDatabase
|
|
|
|
);
|
|
|
|
self::$join->exec ("set names utf8");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-08-25 12:07:01 +00:00
|
|
|
public static function disconect(){
|
|
|
|
self::$join = null;
|
|
|
|
}
|
|
|
|
|
2019-08-23 11:39:42 +00:00
|
|
|
public static function loadOne ($sql, $values = array (), $numberKey = false) {
|
|
|
|
$answer = self::$join->prepare ($sql);
|
|
|
|
$answer->execute ($values);
|
|
|
|
if (!$numberKey) {
|
|
|
|
return $answer->fetch (PDO::FETCH_ASSOC);
|
|
|
|
} else {
|
|
|
|
return $answer->fetch (PDO::FETCH_NUM);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public static function command ($sql, $values = array()) {
|
|
|
|
$answer = self::$join->prepare ($sql);
|
|
|
|
return $answer->execute ($values);
|
|
|
|
}
|
|
|
|
|
|
|
|
public static function loadAll ($sql, $values = array(), $numberKey = false) {
|
|
|
|
$answer = self::$join->prepare ($sql);
|
|
|
|
$answer->execute ($values);
|
|
|
|
if (!$numberKey) {
|
|
|
|
return $answer->fetchALL (PDO::FETCH_ASSOC);
|
|
|
|
} else {
|
|
|
|
return $answer->fetchALL (PDO::FETCH_NUM);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public static function loadAlone ($sql, $values = array()) {
|
|
|
|
$answer = self::$join->prepare ($sql);
|
|
|
|
$answer->execute ($values);
|
|
|
|
return $answer->fetch (PDO::FETCH_NUM)[0];
|
|
|
|
}
|
|
|
|
|
|
|
|
public static function add ($table, $values = array()) {
|
|
|
|
return self::command (
|
|
|
|
"INSERT INTO `$table` (`" .
|
|
|
|
implode('`, `', array_keys($values)) .
|
|
|
|
"`) VALUES (" .
|
|
|
|
str_repeat('?,', (count($values) > 0 ? count($values)-1 : 0)) .
|
|
|
|
"?)"
|
|
|
|
, array_values ($values));
|
|
|
|
}
|
|
|
|
// TODO: pokud vlozim prazdne pole tak chyba ??
|
|
|
|
public static function addAll ($table, $values = array ()) {
|
|
|
|
try {
|
|
|
|
foreach ($values as $value) {
|
|
|
|
self::add ($table, $value);
|
|
|
|
}
|
|
|
|
} catch (PDOException $ex) {
|
|
|
|
throw new PDOException ($ex->getMessage());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public static function edit (
|
|
|
|
$table,
|
|
|
|
$values = array(),
|
|
|
|
$conditions,
|
|
|
|
$values2 = array()
|
|
|
|
) {
|
|
|
|
return self::command (
|
|
|
|
"UPDATE `$table` SET `" .
|
|
|
|
implode('` =?, `', array_keys($values)) .
|
|
|
|
"` =? " .
|
|
|
|
$conditions
|
|
|
|
, array_merge (array_values ($values), $values2));
|
|
|
|
}
|
|
|
|
|
|
|
|
public static function insertId () {
|
|
|
|
return self::$join->lastInsertId ();
|
|
|
|
}
|
|
|
|
|
|
|
|
public static function addId ($lastTable, $lastIdName) {
|
|
|
|
$answer = self::$join->prepare ("SELECT `$lastIdName` FROM `$lastTable` ORDER BY `$lastIdName` DESC");
|
|
|
|
$answer->execute ();
|
|
|
|
return $answer->fetch (PDO::FETCH_NUM)[0];
|
|
|
|
}
|
|
|
|
}
|