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<?php $extrawhere = [ "email[!]"=>null, "OR" => [ "estado" => ['A', 'N', 'D'] ] ]; print_r($extrawhere); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ignWn
function name:  (null)
number of ops:  5
compiled vars:  !0 = $extrawhere
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'print_r'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   11     4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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