3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gen(): Generator { yield new stdClass() => 'foo'; yield ['a'] => 'foo'; yield gen2() => 'foo'; } function gen2(): Generator { yield 'bar'; } gen(); foreach(gen() as $key => $value) { var_dump($key, $value); }
Output for 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 - 8.3.4, 8.3.6
object(stdClass)#3 (0) { } string(3) "foo" array(1) { [0]=> string(1) "a" } string(3) "foo" object(Generator)#3 (0) { } string(3) "foo"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 object(stdClass)#3 (0) { } string(3) "foo" array(1) { [0]=> string(1) "a" } string(3) "foo" object(Generator)#3 (0) { } string(3) "foo"
preferences:
171.27 ms | 402 KiB | 153 Q