3v4l.org

run code in 300+ PHP versions simultaneously
<?php function printer() { $status=true; while ($i) { $string = yield; yield $string; $status=false; } echo 'Generator is still working? ',($status == false)? 'false' : 'true'; return; } $printer = printer(); $printer->send('Hello world!'); echo $printer->current(); echo $printer->next(); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $i in /in/eiJuB on line 4 Generator is still working? true
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: i in /in/eiJuB on line 4 Generator is still working? true
Output for 7.3.32 - 7.3.33, 7.4.26
Generator is still working? true
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$string' (T_VARIABLE) in /in/eiJuB on line 6
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
Parse error: syntax error, unexpected T_VARIABLE in /in/eiJuB on line 6
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 T_VARIABLE in /in/eiJuB on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/eiJuB on line 6
Process exited with code 255.
preferences:
252.08 ms | 405 KiB | 385 Q