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@ 2019-12-14T12:06:51Z

<?php

class MyDbException extends Exception {}

class DB 
{
    public function __construct() {
        $this->checkConnection();
    }

    public function checkConnection() {
        try {
            $this->connect();
        }
        catch (PDOException $e) {
            throw new MyDbException('Error during connection check', 42, $e);
        }
    }

    public function connect() {
        // Здесь будет подключение к Oracle DB через PDO
        throw new PDOException("SQLSTATE[28000] [1045] Access denied for user 'user'@'example.com' (using password: YES)");
    }
}

function connectToDb() {
    try {
        $db = new DB;
        // ...
    }
    catch (MyDbException $e) {
        echo $e->getMessage(), ':', PHP_EOL, $e->getPrevious()->getMessage(), PHP_EOL;
    }
    catch (Exception $e) {
        echo $e->getMessage(), PHP_EOL;
    }
}

connectToDb();

Output for git.master, git.master_jit, rfc.property-hooks: Error during connection check: SQLSTATE[28000] [1045] Access denied for user 'user'@'example.com' (using password: YES)

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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