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<?php $a = ['bar' => 'foo']; unset($a['blah']); unset($a['foo']); unset($a['bar']); var_dump($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PVbMt
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        UNSET_DIM                                                    !0, 'blah'
    5     2        UNSET_DIM                                                    !0, 'foo'
    6     3        UNSET_DIM                                                    !0, 'bar'
    7     4        INIT_FCALL                                                   'var_dump'
          5        SEND_VAR                                                     !0
          6        DO_ICALL                                                     
          7      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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