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<?php $a = array(33,44,55); var_dump($a); $a[1] = null; var_dump($a); var_dump(isset($a[1]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/V2TpX
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    6     4        ASSIGN_DIM                                               !0, 1
          5        OP_DATA                                                  null
    7     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
    9     9        INIT_FCALL                                               'var_dump'
         10        ISSET_ISEMPTY_DIM_OBJ                         0  ~5      !0, 1
         11        SEND_VAL                                                 ~5
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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