111 lines
3.3 KiB
PHP
Executable File
111 lines
3.3 KiB
PHP
Executable File
<?php
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include_once "Helpers.php";
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class DatabaseConnection
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{
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public $client = "mysql";
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public $user = "root";
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public $pass = "";
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public $host = "127.0.0.1";
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public $port = 3306;
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public $database = "";
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public $charset = "utf8mb4";
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public $file = "";
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public $connectionString = null;
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public static $db = null;
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public $ready = false;
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public function __construct(
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$client,
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$user,
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$pass,
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$host = "127.0.0.1",
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$port = "3306",
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$database = "",
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$charset = ""
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)
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{
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$this->client = $client;
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$this->user = $user;
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$this->pass = $pass;
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$this->host = $host;
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$this->port = $port;
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$this->database = $database;
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$this->charset = $charset;
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}
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public function connect()
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{
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if($this->db == null)
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{
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$this->db = new PDO(
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$this->createConnectionString(),
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$this->user,
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$this->pass,
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array(
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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)
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);
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$this->ready = true;
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}
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}
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public function assertConnection()
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{
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if($this->db == null)
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{
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$this->connect();
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if($this->ready == false)
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{
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throw new Exception("Connection not established");
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}
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};
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}
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public function createConnectionString()
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{
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if($this->connectionString)
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{
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return $this->connectionString;
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}else{
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$str = new tstring($this->client);
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return $str
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->concat(":", "host=", $this->host, ";")
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->concat("port=", $this->port, ";")
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->concat("database=", $this->database, ";")
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->concat("host=", $this->host, ";");
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}
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}
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public function exec($sql)
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{
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$this->assertConnection();
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$effected = $this->db->exec($sql);
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if($effected === false)
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{
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throw new Exception($this->db->errorInfo());
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}else{
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return $effected;
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}
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}
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public function lastinsertid()
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{
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$this->assertConnection();
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return $this->db->lastinsertid();
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}
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public function prepare($sql, $params = [])
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{
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$this->assertConnection();
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$prepare = $this->db->prepare($sql);
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if($prepare->execute($params))
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{
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return $prepare;
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}else{
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throw new Exception($this->db->errorInfo());
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}
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}
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public function fetch($sql, $params = [])
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{
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$this->assertConnection();
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return $this->prepare($sql, $params)->fetch(PDO::FETCH_ASSOC);
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}
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public function fetchAll($sql, $params = [])
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{
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$this->assertConnection();
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return $this->prepare($sql, $params)->fetchAll(PDO::FETCH_ASSOC);
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}
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}; |