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@ 2015-09-02T23:54:41Z

<?php

class RetriesExceededException extends \Exception {}

class Retry
{
    static public function withDelay(callable $fn, $retries, $delay)
    {
        return self::execute($fn, $retries, $delay);
    }

    static public function immediately(callable $fn, $retries)
    {
        return self::execute($fn, $retries);
    }

    static private function execute(callable $fn, $retries, $delay = null)
    {
        while ($retries)
        {
            $retries--;

            try
            {
                return $fn();
            }
            catch (\Exception $e)
            {
                echo $retries;

                if ($retries && $delay)
                {
                    //do delay
                }
            }
        }

        throw new RetriesExceededException(); 
    }
}

class Test
{
    public function doSomething() 
    {
        throw new \Exception();
    }
}

$test = new Test();

try
{
    Retry::immediately(function() use ($test) { $test->doSomething(); }, 5);
}
catch (\Exception $e)
{
    var_dump($e);
}


//Retry::withDelay($fn, $retries, $delay);
//Retry::immediately($fn, $retries);

Output for git.master, git.master_jit, rfc.property-hooks: 43210object(RetriesExceededException)#4 (7) { ["message":protected]=> string(0) "" ["string":"Exception":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(9) "/in/6OrSe" ["line":protected]=> int(38) ["trace":"Exception":private]=> array(2) { [0]=> array(6) { ["file"]=> string(9) "/in/6OrSe" ["line"]=> int(14) ["function"]=> string(7) "execute" ["class"]=> string(5) "Retry" ["type"]=> string(2) "::" ["args"]=> array(2) { [0]=> object(Closure)#2 (1) { ["static"]=> array(1) { ["test"]=> object(Test)#1 (0) { } } } [1]=> int(0) } } [1]=> array(6) { ["file"]=> string(9) "/in/6OrSe" ["line"]=> int(54) ["function"]=> string(11) "immediately" ["class"]=> string(5) "Retry" ["type"]=> string(2) "::" ["args"]=> array(2) { [0]=> object(Closure)#2 (1) { ["static"]=> array(1) { ["test"]=> object(Test)#1 (0) { } } } [1]=> int(5) } } } ["previous":"Exception":private]=> NULL }

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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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