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<?php echo '$formData = array();'; echo "\n"; $formData = array(); echo 'empty($formData[\'chain_id\']): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[\'chain_id\'] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; echo "\n"; echo '$formData[\'chain_id\'] = 0;'; echo "\n"; $formData['chain_id'] = 0; echo 'empty($formData[\'chain_id]\'): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[\'chain_id\'] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; echo "\n"; echo '$formData[\'chain_id\'] = 1;'; echo "\n"; $formData['chain_id'] = 1; echo 'empty($formData[\'chain_id\']): '; var_dump(empty($formData['chain_id'])); echo "\n"; echo '$formData[\'chain_id\'] === \'0\': '; var_dump($formData['chain_id'] === '0'); echo "\n"; echo "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/POjkX
function name:  (null)
number of ops:  54
compiled vars:  !0 = $formData
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ECHO                                                     '%24formData+%3D+array%28%29%3B'
    4     1        ECHO                                                     '%0A'
    5     2        ASSIGN                                                   !0, <array>
    6     3        ECHO                                                     'empty%28%24formData%5B%27chain_id%27%5D%29%3A+'
    7     4        INIT_FCALL                                               'var_dump'
          5        ISSET_ISEMPTY_DIM_OBJ                         1  ~2      !0, 'chain_id'
          6        SEND_VAL                                                 ~2
          7        DO_ICALL                                                 
    8     8        ECHO                                                     '%0A'
    9     9        ECHO                                                     '%24formData%5B%27chain_id%27%5D+%3D%3D%3D+%270%27%3A+'
   10    10        INIT_FCALL                                               'var_dump'
         11        FETCH_DIM_R                                      ~4      !0, 'chain_id'
         12        IS_IDENTICAL                                     ~5      ~4, '0'
         13        SEND_VAL                                                 ~5
         14        DO_ICALL                                                 
   11    15        ECHO                                                     '%0A'
   12    16        ECHO                                                     '%0A'
   14    17        ECHO                                                     '%24formData%5B%27chain_id%27%5D+%3D+0%3B'
   15    18        ECHO                                                     '%0A'
   16    19        ASSIGN_DIM                                               !0, 'chain_id'
         20        OP_DATA                                                  0
   17    21        ECHO                                                     'empty%28%24formData%5B%27chain_id%5D%27%29%3A+'
   18    22        INIT_FCALL                                               'var_dump'
         23        ISSET_ISEMPTY_DIM_OBJ                         1  ~8      !0, 'chain_id'
         24        SEND_VAL                                                 ~8
         25        DO_ICALL                                                 
   19    26        ECHO                                                     '%0A'
   20    27        ECHO                                                     '%24formData%5B%27chain_id%27%5D+%3D%3D%3D+%270%27%3A+'
   21    28        INIT_FCALL                                               'var_dump'
         29        FETCH_DIM_R                                      ~10     !0, 'chain_id'
         30        IS_IDENTICAL                                     ~11     ~10, '0'
         31        SEND_VAL                                                 ~11
         32        DO_ICALL                                                 
   22    33        ECHO                                                     '%0A'
   23    34        ECHO                                                     '%0A'
   25    35        ECHO                                                     '%24formData%5B%27chain_id%27%5D+%3D+1%3B'
   26    36        ECHO                                                     '%0A'
   27    37        ASSIGN_DIM                                               !0, 'chain_id'
         38        OP_DATA                                                  1
   28    39        ECHO                                                     'empty%28%24formData%5B%27chain_id%27%5D%29%3A+'
   29    40        INIT_FCALL                                               'var_dump'
         41        ISSET_ISEMPTY_DIM_OBJ                         1  ~14     !0, 'chain_id'
         42        SEND_VAL                                                 ~14
         43        DO_ICALL                                                 
   30    44        ECHO                                                     '%0A'
   31    45        ECHO                                                     '%24formData%5B%27chain_id%27%5D+%3D%3D%3D+%270%27%3A+'
   32    46        INIT_FCALL                                               'var_dump'
         47        FETCH_DIM_R                                      ~16     !0, 'chain_id'
         48        IS_IDENTICAL                                     ~17     ~16, '0'
         49        SEND_VAL                                                 ~17
         50        DO_ICALL                                                 
   33    51        ECHO                                                     '%0A'
   34    52        ECHO                                                     '%0A'
         53      > RETURN                                                   1

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