TestException

<?php

class TestExceptionHandler extends Exception {
    public static function external_logging($callable) {
        set_exception_handler(array(
            __CLASS__, $callable
        ));
    }
    
    // TODO: PHP7 (Throwable $e)
    public static function api(Exception $e)
    {
        $curl = curl_init();
        curl_setopt_array($curl, array(
            CURLOPT_RETURNTRANSFER => 1,
            CURLOPT_URL => 'http://localhost:8080/get?blabla'
        ));
        $result = curl_exec($curl);
        curl_close($curl);
        throw $e;
    }
}

class TestException
{
    public $var;

    const THROW_NONE    = 0;
    const THROW_CUSTOM  = 1;
    const THROW_DEFAULT = 2;

    function __construct($avalue = self::THROW_NONE) {
        TestExceptionHandler::external_logging('api');

        switch ($avalue) {
            case self::THROW_CUSTOM:
                // throw custom exception
                throw new VerendusException('1 is an invalid parameter', 5);
                break;

            case self::THROW_DEFAULT:
                // throw default one.
                throw new Exception('2 is not allowed as a parameter', 6);
                break;

            default: 
                // No exception, object will be created.
                $this->var = $avalue;
                break;
        }
    }
}

$a = new TestException(TestException::THROW_DEFAULT);