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run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); class Foo { private $x; public function setX($x) : Foo { $this->x = $x; return $this; } public function getX() { return $this->x; } } function test($class) : object { return new $class(); } $x = test('Foo')->setX('test'); var_dump($x->getX());
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(4) "test"
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Fatal error: Uncaught TypeError: Return value of test() must be an instance of object, instance of Foo returned in /in/WCfQR:22 Stack trace: #0 /in/WCfQR(25): test('Foo') #1 {main} thrown in /in/WCfQR on line 22
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/WCfQR on line 3 Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/WCfQR on line 8
Process exited with code 255.
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