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<?php error_reporting(E_ALL); $foo = 'hello'; var_dump( isset($foo[0][0]) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iHbFH
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'error_reporting'
          1        SEND_VAL                                                     30719
          2        DO_ICALL                                                     
    5     3        ASSIGN                                                       !0, 'hello'
    6     4        INIT_FCALL                                                   'var_dump'
          5        FETCH_DIM_IS                                         ~3      !0, 0
          6        ISSET_ISEMPTY_DIM_OBJ                             0  ~4      ~3, 0
          7        SEND_VAL                                                     ~4
          8        DO_ICALL                                                     
          9      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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