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@ 2014-02-06T14:51:08Z

<?php

namespace ECommerce {
	use Exception;
	class CreditCardValidationException extends Exception {
	}
	class CreditCardNumber {
		private $digits;
		public function __construct($digits) {
			$this->digits = $digits;
			if (!$this->_validate()) {
				throw new CreditCardValidationException('Checksum failed');
			}
		}
		private function _validate() {
			for($i=0,$t=0;$i<16;$i+=2)
				$t+=(($d=((int)$this->digits{$i}*2))>9?array_sum(array_map('intval',str_split(strval($d)))):$d)+$this->digits{$i+1};
			return(bool)($t%10===0);
		}
	}
}

namespace {
	try {
		$ccn = new ECommerce\CreditCardNumber('4417123456789114');
	} catch (ECommerce\CreditCardValidationException $exception) {
		echo 'Invalid credit card number';
	} finally {
        var_dump(isset($exception));
        echo 'DONE';
    }
}

Output for git.master, git.master_jit: Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/A1MnN on line 17
Process exited with code 255.
Output for rfc.property-hooks: Parse error: syntax error, unexpected token "{" in /in/A1MnN on line 17
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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