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run code in 150+ php & hhvm versions
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<?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 { echo 'DONE'; } }
Output for 5.5.24 - 7.1.0
Invalid credit card numberDONE
Output for 5.3.0 - 5.4.45
Parse error: syntax error, unexpected '{' in /in/nlBHl on line 28
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/nlBHl on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/nlBHl on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/nlBHl on line 3
Process exited with code 255.