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<?php $credentials = array(); var_dump( $credentials['user_login'] ); var_dump( array( &$credentials['user_login'] ) ); var_dump( $credentials['user_login'] );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8JMRM
function name:  (null)
number of ops:  15
compiled vars:  !0 = $credentials
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, <array>
    4     1        INIT_FCALL                                                   'var_dump'
          2        FETCH_DIM_R                                          ~2      !0, 'user_login'
          3        SEND_VAL                                                     ~2
          4        DO_ICALL                                                     
    6     5        INIT_FCALL                                                   'var_dump'
          6        FETCH_DIM_W                                          $4      !0, 'user_login'
          7        INIT_ARRAY                                           ~5      $4
          8        SEND_VAL                                                     ~5
          9        DO_ICALL                                                     
    8    10        INIT_FCALL                                                   'var_dump'
         11        FETCH_DIM_R                                          ~7      !0, 'user_login'
         12        SEND_VAL                                                     ~7
         13        DO_ICALL                                                     
         14      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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