3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo() { for ($i = 0; $i < 10 ; $i++) { yield $i; } } echo (foo()); echo (foo()); echo (foo()); echo (foo()); echo (foo());
based on Mr2VC
Output for 7.1.0 - 7.3.1
Recoverable fatal error: Object of class Generator could not be converted to string in /in/mnt0r on line 8
Process exited with code 255.
Output for 5.5.0 - 5.6.30, hhvm-3.10.1, 7.0.0 - 7.0.31
Catchable fatal error: Object of class Generator could not be converted to string in /in/mnt0r on line 8
Process exited with code 255.
Output for hhvm-3.22.0
Fatal error: Uncaught Error: Object of class Generator could not be converted to string in /in/mnt0r:-1 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.11.1 - 3.21.3
Fatal error: Uncaught Error: Object of class Generator could not be converted to string in /in/mnt0r:8 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$i' (T_VARIABLE) in /in/mnt0r on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/mnt0r on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_VARIABLE in /in/mnt0r on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mnt0r on line 4
Process exited with code 255.