3v4l.org

run code in 300+ PHP versions simultaneously
<?php function answer(): integer { return 42; } var_dump(answer());
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: "integer" will be interpreted as a class name. Did you mean "int"? Write "\integer" to suppress this warning in /in/nl63D on line 3 Fatal error: Uncaught TypeError: answer(): Return value must be of type integer, int returned in /in/nl63D:4 Stack trace: #0 /in/nl63D(7): answer() #1 {main} thrown in /in/nl63D on line 4
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Return value of answer() must be an instance of integer, int returned in /in/nl63D:4 Stack trace: #0 /in/nl63D(7): answer() #1 {main} thrown in /in/nl63D on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Fatal error: Uncaught TypeError: Return value of answer() must be an instance of integer, integer returned in /in/nl63D:4 Stack trace: #0 /in/nl63D(7): answer() #1 {main} thrown in /in/nl63D on line 4
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Parse error: syntax error, unexpected ':', expecting '{' in /in/nl63D on line 3
Process exited with code 255.

preferences:
210.7 ms | 402 KiB | 321 Q