3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo() : A? { } } $a = new A; $a->foo();
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '?', expecting ';' or '{' in /in/q2nTa on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/q2nTa on line 5
Process exited with code 255.
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166.67 ms | 1399 KiB | 25 Q