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<?php $haystack = 'ba-dum-tss!'; var_dump(strpos($haystack, 'tss', strlen($haystack)+1));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lSURt
function name:  (null)
number of ops:  12
compiled vars:  !0 = $haystack
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'ba-dum-tss%21'
    4     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'strpos'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 'tss'
          5        STRLEN                                           ~2      !0
          6        ADD                                              ~3      ~2, 1
          7        SEND_VAL                                                 ~3
          8        DO_ICALL                                         $4      
          9        SEND_VAR                                                 $4
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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