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<?php function f(&$a) { echo 'works'; } $b=1; $c=&$b; call_user_func_array('f', array($b));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dtAgj
function name:  (null)
number of ops:  8
compiled vars:  !0 = $b, !1 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, 1
    6     1        ASSIGN_REF                                               !1, !0
    7     2        INIT_FCALL                                               'f'
          3        INIT_ARRAY                                       ~4      !0
          4        SEND_ARRAY                                               ~4
          5        CHECK_UNDEF_ARGS                                         
          6        DO_FCALL                                      0          
          7      > RETURN                                                   1

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

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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