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<?php $str_arr = array('street' => 'lalala', 'id' => 'x'); #echo $str_arr[array_keys($str_arr)['lalala']]; echo array_keys($str_arr)[0];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DP5lu
function name:  (null)
number of ops:  7
compiled vars:  !0 = $str_arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ASSIGN                                                   !0, <array>
    9     1        INIT_FCALL                                               'array_keys'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $2      
          4        FETCH_DIM_R                                      ~3      $2, 0
          5        ECHO                                                     ~3
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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