3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $a; public function __construct(int $a) { $this->a = $a; } public function __invoke(int $a) : Bar { return new Bar($a); } } class Bar { private $a; public function __construct(int $a) { $this->a = $a; } } $foo = new Foo(1); $bar = new $foo(2); $bar2 = new {$foo(2)}; var_dump($foo); var_dump($bar); var_dump($bar2);
Output for 7.1.0 - 7.1.23, 7.2.0 - 7.2.11
Parse error: syntax error, unexpected '{' in /in/3sZJY on line 35
Process exited with code 255.
Output for 5.6.38
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/3sZJY on line 13
Process exited with code 255.
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179.2 ms | 1395 KiB | 44 Q