3v4l.org

run code in 300+ PHP versions simultaneously
<?php function printer() { $string = yield; return; } $printer = printer(); $printer->send('Hello world!'); foreach ($printer as $greeting) { echo $greeting; } ?>
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/kHv9h:9 Stack trace: #0 {main} thrown in /in/kHv9h on line 9
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 Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/kHv9h:9 Stack trace: #0 {main} thrown in /in/kHv9h on line 9
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Uncaught exception 'Exception' with message 'Cannot traverse an already closed generator' in /in/kHv9h:9 Stack trace: #0 /in/kHv9h(9): unknown() #1 {main} thrown in /in/kHv9h on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Notice: Use of undefined constant yield - assumed 'yield' in /in/kHv9h on line 3 Fatal error: Call to a member function send() on a non-object in /in/kHv9h on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Notice: Use of undefined constant yield - assumed 'yield' in /in/kHv9h on line 3 Fatal error: Call to a member function on a non-object in /in/kHv9h on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Use of undefined constant yield - assumed 'yield' in /in/kHv9h on line 3 Fatal error: Call to a member function on a non-object in /in/kHv9h on line 8

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