Online PHP editor | output for Yt2JN

Output for 8.4.1 - 8.4.14: Deprecated: a(): Optional parameter $b declared before required parameter $a is implicitly treated as a required parameter in /in/Yt2JN on line 4 Fatal error: Uncaught Error: Call to undefined method Reflection::export() in /in/Yt2JN:6 Stack trace: #0 {main} thrown in /in/Yt2JN on line 6
Process exited with code 255.
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27: Deprecated: Optional parameter $b declared before required parameter $a is implicitly treated as a required parameter in /in/Yt2JN on line 4 Fatal error: Uncaught Error: Call to undefined method Reflection::export() in /in/Yt2JN:6 Stack trace: #0 {main} thrown in /in/Yt2JN on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30: Deprecated: Required parameter $a follows optional parameter $b in /in/Yt2JN on line 4 Fatal error: Uncaught Error: Call to undefined method Reflection::export() in /in/Yt2JN:6 Stack trace: #0 {main} thrown in /in/Yt2JN on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.33: Deprecated: Function Reflection::export() is deprecated in /in/Yt2JN on line 6 Function [ <user> function a ] { @@ /in/Yt2JN 4 - 4 - Parameters [2] { Parameter #0 [ <required> $b ] Parameter #1 [ <required> A $a ] } } Deprecated: Function Reflection::export() is deprecated in /in/Yt2JN on line 10 Function [ <user> function b ] { @@ /in/Yt2JN 8 - 8 - Parameters [2] { Parameter #0 [ <required> A $a ] Parameter #1 [ <optional> $b = NULL ] } }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33: Function [ <user> function a ] { @@ /in/Yt2JN 4 - 4 - Parameters [2] { Parameter #0 [ <required> $b ] Parameter #1 [ <required> A $a ] } } Function [ <user> function b ] { @@ /in/Yt2JN 8 - 8 - Parameters [2] { Parameter #0 [ <required> A $a ] Parameter #1 [ <optional> $b = NULL ] } }