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run code in 200+ php & hhvm versions
Bugs & Features
<?php class BankTransfer {} class CreditCard {} class Payment { private $creditCard; private $banTransfer; private function __construct(BankTransfer $bankTransfer = null, CreditCard $creditCard = null) { $this->bankTransfer = $bankTransfer; $this->creditCard = $creditCard; } public static function byCreditCard(CreditCard $creditCard) { $ccPayment = new self(); $ccPayment->creditCard = $creditCard; return $ccPayment; } public static function byBankTransfer(BankTransfer $bankTransfer) { return new self($bankTransfer, null); } public function isCreditCard() { return isset($this->creditCard); } public function isBankTransfer() { return isset($this->bankTransfer); } public function getBankTransfer() { if ($this->isBankTransfer()) { return $this->bankTransfer; } throw new \Exception(); } public function getCreditCard() { if ($this->isCreditCard()) { return $this->creditCard; } throw new \Exception(); } } class Booking { private $payment; public function __construct(Payment $payment) { $this->payment = $payment; } public function getPayment() { return $this->payment; } } //$payment = Payment::byBankTransfer(new BankTransfer()); $payment = Payment::byCreditCard(new CreditCard()); $booking = new Booking($payment); if ($booking->getPayment()->isCreditCard()) { echo 'credit card'; } if ($booking->getPayment()->isBankTransfer()) { echo 'bank transfer'; }
based on ZHLSu
Output for 5.3.0 - 7.3.0rc4
credit card
Output for 5.1.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iDq7G on line 40 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iDq7G on line 48 credit card
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iDq7G on line 40 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iDq7G on line 48 Fatal error: Argument 1 must not be null in /in/iDq7G on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iDq7G on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iDq7G on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/iDq7G on line 8
Process exited with code 255.