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<?php function a(&$a) { $a++; } a(new DateTime);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2EVn7
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'a'
          1        NEW                                              $0      'DateTime'
          2        DO_FCALL                                      0          
          3        SEND_VAR_NO_REF                               0          $0
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2EVn7
function name:  a
number of ops:  3
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        PRE_INC                                                  !0
    4     2      > RETURN                                                   null

End of function a

Generated using Vulcan Logic Dumper, using php 8.0.0


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