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<?php $str = 'wrdua'; if(!strpos($str, 'w') !== false) echo 0; else echo 1;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gUV43
function name:  (null)
number of ops:  12
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'wrdua'
    4     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'w'
          4        DO_ICALL                                         $2      
          5        BOOL_NOT                                         ~3      $2
          6        TYPE_CHECK                                  1018          ~3
          7      > JMPZ                                                     ~4, ->10
          8    >   ECHO                                                     0
          9      > JMP                                                      ->11
    5    10    >   ECHO                                                     1
         11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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