3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { $string = (yield); echo $string; /*for ($i = 1; $i <= 3; $i++) { yield $i; }*/ } $generator = foo(); $generator->send('Hello world!'); //foreach ($generator as $value) echo "$value\n";
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 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 - 8.3.6
Hello world!
Output for 5.0.0 - 5.0.5, 5.1.1 - 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/FvV5o on line 3 yield Fatal error: Call to a member function send() on a non-object in /in/FvV5o on line 10
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/FvV5o on line 11
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/FvV5o on line 3 yield Fatal error: Call to a member function on a non-object in /in/FvV5o on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Use of undefined constant yield - assumed 'yield' in /in/FvV5o on line 3 yield Fatal error: Call to a member function on a non-object in /in/FvV5o on line 10
preferences:
268.81 ms | 402 KiB | 400 Q