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<?php $str = "http://www.naver.com"; if(strpos($str, "http://") === false){ echo "http://".$str; } else { echo $str; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 10
Branch analysis from position: 7
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/90rFi
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, 'http%3A%2F%2Fwww.naver.com'
    5     1        INIT_FCALL                                               'strpos'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'http%3A%2F%2F'
          4        DO_ICALL                                         $2      
          5        TYPE_CHECK                                    4          $2
          6      > JMPZ                                                     ~3, ->10
    6     7    >   CONCAT                                           ~4      'http%3A%2F%2F', !0
          8        ECHO                                                     ~4
          9      > JMP                                                      ->11
    8    10    >   ECHO                                                     !0
    9    11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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