61 lines
1.4 KiB
PHP
61 lines
1.4 KiB
PHP
<?php
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namespace Core;
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use App\Config;
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abstract class Model
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{
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protected static $conn = null;
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protected static function connectDB()
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{
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try {
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if (!self::$conn) {
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$dsn = 'mysql:host='.Config::DB_HOST.';dbname='.Config::DB_DB;
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self::$conn = new \PDO($dsn, Config::DB_UNAME, Config::DB_PWD);
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self::$conn->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
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}
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return self::$conn;
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} catch (PDOException $e) {
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echo $e->getMessage();
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}
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}
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public function createTable($table, $fields = [])
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{
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$sql = "CREATE TABLE IF NOT EXISTS {$table} (".implode(',', $fields).") ENGINE=InnoDB DEFAULT CHARSET=utf8;";
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$db = static::connectDB();
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$query = $db->prepare($sql);
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if ($query->execute()) {
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return true;
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}
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return false;
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}
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public function dropTable($table)
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{
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$sql = "DROP TABLE IF EXISTS {$table}";
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$db = static::connectDB();
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$query = $db->prepare($sql);
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if ($query->execute()) {
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return true;
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}
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return false;
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}
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abstract public function showAll();
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abstract public function showSingle($id);
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abstract public function entry($args);
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abstract public function update($args, $id);
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abstract public function delete($id);
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}
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