3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gen() { yield 0; yield 1; yield 2; } $gen = (function(){ $foo = gen(); $foo->rewind(); $foo->valid(); yield $foo->key() => $foo->current(); $foo->next(); $foo->valid(); yield $foo->key() => $foo->current(); foreach($foo as $k => $v){ yield $k => $v; } })(); foreach($gen as $k => $v){ echo $k . " => " . $v . "\n"; }
Output for 7.1.25 - 7.1.33, 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 - 8.3.4, 8.3.6
0 => 0 1 => 1 Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/D8O5G:19 Stack trace: #0 /in/D8O5G(25): {closure}() #1 {main} thrown in /in/D8O5G on line 19
Process exited with code 255.
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 0 => 0 1 => 1 Fatal error: Uncaught Exception: Cannot rewind a generator that was already run in /in/D8O5G:19 Stack trace: #0 /in/D8O5G(25): {closure}() #1 {main} thrown in /in/D8O5G on line 19
Process exited with code 255.

preferences:
186.29 ms | 402 KiB | 181 Q