3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(): iterable { return []; } function bar(): iterable|bool { return []; } echo (new ReflectionFunction('foo'))->getReturnType()->__toString(); echo ", "; echo (new ReflectionFunction('bar'))->getReturnType()->__toString();
Output for 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
iterable, Traversable|array|bool
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31
iterable, iterable|bool
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected '|', expecting '{' in /in/JGM9D on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting '{' in /in/JGM9D on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' in /in/JGM9D on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/JGM9D on line 3
Process exited with code 255.
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69.14 ms | 412 KiB | 5 Q