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<?php $false = json_encode(false); foreach($false as $key => $val) { var_dump($key); var_dump($val); var_dump('***'); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 17
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 17
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
filename:       /in/m9J0N
function name:  (null)
number of ops:  19
compiled vars:  !0 = $false, !1 = $val, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'json_encode'
          1        SEND_VAL                                                 <false>
          2        DO_ICALL                                         $3      
          3        ASSIGN                                                   !0, $3
    5     4      > FE_RESET_R                                       $5      !0, ->17
          5    > > FE_FETCH_R                                       ~6      $5, !1, ->17
          6    >   ASSIGN                                                   !2, ~6
    6     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
    7    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
    8    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAL                                                 '%2A%2A%2A'
         15        DO_ICALL                                                 
    5    16      > JMP                                                      ->5
         17    >   FE_FREE                                                  $5
    9    18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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