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<?php $test = array('key1'=>'value'); $test[] = array('key2' => $val, array('key3' => $val, 'key4' => $val)); var_dump($test);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9SFTB
function name:  (null)
number of ops:  11
compiled vars:  !0 = $test, !1 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_ARRAY                                       ~4      !1, 'key2'
          2        INIT_ARRAY                                       ~5      !1, 'key3'
          3        ADD_ARRAY_ELEMENT                                ~5      !1, 'key4'
          4        ADD_ARRAY_ELEMENT                                ~4      ~5
          5        ASSIGN_DIM                                               !0
          6        OP_DATA                                                  ~4
    4     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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