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<?php a(123); function a($num) { echo $num; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dCVMb
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL_BY_NAME                                       'a'
          1        SEND_VAL_EX                                              123
          2        DO_FCALL                                      0          
    8     3      > RETURN                                                   1

Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dCVMb
function name:  a
number of ops:  3
compiled vars:  !0 = $num
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
    7     1        ECHO                                                     !0
    8     2      > RETURN                                                   null

End of function a

Generated using Vulcan Logic Dumper, using php 8.0.0


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