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<?php function anull() { return null; } $x = array(); $x += anull(); var_dump( $x );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SmhWh
function name:  (null)
number of ops:  8
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, <array>
    7     1        INIT_FCALL                                               'anull'
          2        DO_FCALL                                      0  $2      
          3        ASSIGN_OP                                     1          !0, $2
    8     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function anull:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SmhWh
function name:  anull
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > RETURN                                                   null
          1*     > RETURN                                                   null

End of function anull

Generated using Vulcan Logic Dumper, using php 8.0.0


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