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<?php $foo = 'b'; $a = [ 'a', $foo, 'c' ]; foreach(z($a) as &$x) { $x .= 'q'; } print_r($a); function z($a) { return $a; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 10, Position 2 = 13
Branch analysis from position: 10
2 jumps found. (Code = 126) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
filename:       /in/ahAqV
function name:  (null)
number of ops:  18
compiled vars:  !0 = $foo, !1 = $a, !2 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'b'
    4     1        INIT_ARRAY                                           ~4      'a'
          2        ADD_ARRAY_ELEMENT                                    ~4      !0
          3        ADD_ARRAY_ELEMENT                                    ~4      'c'
          4        ASSIGN                                                       !1, ~4
    5     5        INIT_FCALL_BY_NAME                                           'z'
          6        SEND_VAR_EX                                                  !1
          7        DO_FCALL                                          0  $6      
          8        SEPARATE                                             $6      $6
          9      > FE_RESET_RW                                          $7      $6, ->13
         10    > > FE_FETCH_RW                                                  $7, !2, ->13
    6    11    >   ASSIGN_OP                                         8          !2, 'q'
    5    12      > JMP                                                          ->10
         13    >   FE_FREE                                                      $7
    8    14        INIT_FCALL                                                   'print_r'
         15        SEND_VAR                                                     !1
         16        DO_ICALL                                                     
   10    17      > RETURN                                                       1

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

End of function z

Generated using Vulcan Logic Dumper, using php 8.5.0


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