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<?php function &f(&$x){ $x[] = 'x'; } $t = array(1,2,3); f($t); var_dump($t);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WlXXO
function name:  (null)
number of ops:  8
compiled vars:  !0 = $t
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'f'
          2        SEND_REF                                                 !0
          3        DO_FCALL                                      0          
    9     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function f:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/WlXXO
function name:  f
number of ops:  4
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ASSIGN_DIM                                               !0
          2        OP_DATA                                                  'x'
    5     3      > RETURN_BY_REF                                            null

End of function f

Generated using Vulcan Logic Dumper, using php 8.0.0


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