144 lines
2.9 KiB
PHP
144 lines
2.9 KiB
PHP
<?php
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namespace Core;
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use Exception;
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use PDO;
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use PDOException;
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use PDOStatement;
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class Db
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{
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private static PDO $db;
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private static self $instance;
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/**
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* DB constructor.
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* @throws Exception
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*/
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public function __construct()
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{
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try {
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self::$db = Database::pdoinit();
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} catch (PDOException $e) {
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throw new Exception($e->getMessage());
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}
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}
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private static function init(): void
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{
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self::$instance ??= new self();
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}
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/**
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* @param string $stmt
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* @return PDOStatement
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*/
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private static function query(string $stmt): PDOStatement
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{
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self::init();
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return self::$db->query($stmt);
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}
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/**
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* @param string $stmt
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* @return PDOStatement
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*/
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public static function prepare(string $stmt): PDOStatement
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{
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self::init();
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return self::$db->prepare($stmt);
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}
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/**
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* @param string $query
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* @return int
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*/
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static public function exec(string $query): int
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{
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self::init();
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return self::$db->exec($query);
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}
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/**
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* @return string
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*/
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static public function lastInsertId(): string
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{
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self::init();
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return self::$db->lastInsertId();
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}
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/**
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* @param string $query
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* @param array $args
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* @return PDOStatement
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*/
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public static function run(string $query, array $args = []): PDOStatement
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{
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try {
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if (!$args) {
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return self::query($query);
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}
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$stmt = self::prepare($query);
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$stmt->execute($args);
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return $stmt;
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} catch (PDOException $e) {
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throw new PDOException($e->getMessage());
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}
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}
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/**
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* @param string $query
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* @param array $args
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* @return mixed
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*/
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public static function getRow(string $query, array $args = [])
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{
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return self::run($query, $args)->fetch();
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}
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/**
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* @param string $query
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* @param array $args
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* @return array
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*/
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public static function getRows(string $query, array $args = []): array
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{
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return self::run($query, $args)->fetchAll();
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}
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/**
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* @param string $query
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* @param array $args
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* @return mixed
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*/
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public static function getValue(string $query, array $args = [])
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{
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$result = self::getRow($query, $args);
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if (!empty($result)) {
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$result = array_shift($result);
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}
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return $result;
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}
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/**
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* @param string $query
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* @param array $args
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* @return array
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*/
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public static function getColumn(string $query, array $args = []): array
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{
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return self::run($query, $args)->fetchAll(PDO::FETCH_COLUMN);
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}
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/**
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* @param string $query
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* @param array $args
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*/
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public static function sql(string $query, array $args = [])
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{
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self::run($query, $args);
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}
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} |