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<?php $x = array(); if ( $x instanceof FooBarArrayIterator ) { echo 'true'; } else { echo 'false'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SkMVd
function name:  (null)
number of ops:  7
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    5     1        INSTANCEOF                                                   !0, 'FooBarArrayIterator'
          2      > JMPZ                                                         ~2, ->5
    6     3    >   ECHO                                                         'true'
    5     4      > JMP                                                          ->6
    8     5    >   ECHO                                                         'false'
    9     6    > > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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