3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function test($arg) { echo 1; echo $arg; yield null; echo 2; echo $arg; } test('A'); test('B');
based on KFYBk
Output for 5.5.24 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'null' (T_STRING) in /in/o5tv0 on line 7
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_STRING in /in/o5tv0 on line 7
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_STRING in /in/o5tv0 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/o5tv0 on line 7
Process exited with code 255.