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@ 2014-03-26T17:04:30Z

<?php
$arr = array(
	1, 2, 3
);
$maxRetries = 5;

class RetryIterator {
	protected static $_currentRetries = 0;
	
	public static function iterate($element) {
		var_dump($element);
		if ($element == 2) {
			throw new Exception('Something went wrong');
		}
	}

	public static function handleException($e, $array) {
		var_dump('Exception handled');
	}

	public static function retry(&$array, $maxRetries, $iterateCallback, $handleCallback) {
		while (reset($array)) {
			$key = key($array);
			try {
				call_user_func($iterateCallback, ($array[$key]));
				unset($array[$key]);
			} catch (Exception $e) {
				static::$_currentRetries++;
				if (static::$_currentRetries <= $maxRetries) {
					call_user_func($handleCallback, $e, $array);
				} else {
					throw new Exception('maxRetries reached');
				}
			}
		}
	}
}

RetryIterator::retry($arr, 5, 'RetryIterator::iterate', 'RetryIterator::handleException');

Output for git.master, git.master_jit, rfc.property-hooks: int(1) int(2) string(17) "Exception handled" int(2) string(17) "Exception handled" int(2) string(17) "Exception handled" int(2) string(17) "Exception handled" int(2) string(17) "Exception handled" int(2) Fatal error: Uncaught Exception: maxRetries reached in /in/NhUpM:32 Stack trace: #0 /in/NhUpM(39): RetryIterator::retry(Array, 5, 'RetryIterator::...', 'RetryIterator::...') #1 {main} thrown in /in/NhUpM on line 32
Process exited with code 255.

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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