3v4l.org

run code in 200+ php & hhvm versions
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<?php function answer(): int { return 42; } var_dump(answer());
based on pkJAc
Output for 7.0.0 - 7.2.0
int(42)
Output for 5.3.21 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/E3M6u on line 3
Process exited with code 255.