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run code in 200+ php & hhvm versions
Bugs & Features
<?php function test(?string $bla) { echo "Hello World"; } test(null);
Output for 7.1.0
Hello World
Output for 5.6.8 - 7.0.0
Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in /in/c9fN5 on line 3
Process exited with code 255.
Output for 5.4.10 - 5.5.30
Parse error: syntax error, unexpected '?', expecting '&' or variable (T_VARIABLE) in /in/c9fN5 on line 3
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '?', expecting '&' or T_VARIABLE in /in/c9fN5 on line 3
Process exited with code 255.