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run code in 200+ php & hhvm versions
Bugs & Features
<?php interface Printable { public function __toString(); } class MyPrintableClass implements Printable { public $myNumericProperty; public function __construct() { $this->myNumericProperty = 10; } public function __toString() { return 'My numeric property is ' . $this->myNumericProperty; } } function printSomething(Printable $aString) { echo $aString; } printSomething(new MyPrintableClass()); printSomething("You can't print a real sting");
based on juOD4
Output for 7.0.0 - 7.3.1
My numeric property is 10 Fatal error: Uncaught TypeError: Argument 1 passed to printSomething() must implement interface Printable, string given, called in /in/K0KjM on line 24 and defined in /in/K0KjM:19 Stack trace: #0 /in/K0KjM(24): printSomething('You can't print...') #1 {main} thrown in /in/K0KjM on line 19
Process exited with code 255.
Output for 5.3.18 - 5.6.28
My numeric property is 10 Catchable fatal error: Argument 1 passed to printSomething() must implement interface Printable, string given, called in /in/K0KjM on line 24 and defined in /in/K0KjM on line 19
Process exited with code 255.