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<?php $a = array( '' => 'foo', 'foo' => '', ); foreach($a as $k => $v) { var_dump(!empty($a[$k])); var_dump(isset($a[$k])); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 14
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 14
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/IbZu9
function name:  (null)
number of ops:  16
compiled vars:  !0 = $a, !1 = $v, !2 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    7     1      > FE_RESET_R                                       $4      !0, ->14
          2    > > FE_FETCH_R                                       ~5      $4, !1, ->14
          3    >   ASSIGN                                                   !2, ~5
    8     4        INIT_FCALL                                               'var_dump'
          5        ISSET_ISEMPTY_DIM_OBJ                         1  ~7      !0, !2
          6        BOOL_NOT                                         ~8      ~7
          7        SEND_VAL                                                 ~8
          8        DO_ICALL                                                 
    9     9        INIT_FCALL                                               'var_dump'
         10        ISSET_ISEMPTY_DIM_OBJ                         0  ~10     !0, !2
         11        SEND_VAL                                                 ~10
         12        DO_ICALL                                                 
    7    13      > JMP                                                      ->2
         14    >   FE_FREE                                                  $4
   10    15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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