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<?php $foo = array( 'a' => array( 'b' => array( 'c' => 'baz' ) ) ); var_dump( isset( $foo['a']['b']['c']['d']['e']['f'] ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iCjju
function name:  (null)
number of ops:  11
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
          1        INIT_FCALL                                                   'var_dump'
          2        FETCH_DIM_IS                                         ~2      !0, 'a'
          3        FETCH_DIM_IS                                         ~3      ~2, 'b'
          4        FETCH_DIM_IS                                         ~4      ~3, 'c'
          5        FETCH_DIM_IS                                         ~5      ~4, 'd'
          6        FETCH_DIM_IS                                         ~6      ~5, 'e'
          7        ISSET_ISEMPTY_DIM_OBJ                             0  ~7      ~6, 'f'
          8        SEND_VAL                                                     ~7
          9        DO_ICALL                                                     
         10      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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