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<?php $array = array(); $array['mes'] = ''; echo array_key_exists( 'mes', $array ); echo array_key_exists( 'hoge', $array ); if ($array['mes']) { echo "y"; }else{ echo "n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/D9Feq
function name:  (null)
number of ops:  13
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN_DIM                                               !0, 'mes'
          2        OP_DATA                                                  ''
    5     3        ARRAY_KEY_EXISTS                                 ~3      'mes', !0
          4        ECHO                                                     ~3
    6     5        ARRAY_KEY_EXISTS                                 ~4      'hoge', !0
          6        ECHO                                                     ~4
    7     7        FETCH_DIM_R                                      ~5      !0, 'mes'
          8      > JMPZ                                                     ~5, ->11
    9     9    >   ECHO                                                     'y'
         10      > JMP                                                      ->12
   11    11    >   ECHO                                                     'n'
   12    12    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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199.83 ms | 1397 KiB | 13 Q