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<?php $filename = "ab\0c"; if (str_contains($filename, "\0")) { echo "bad filename\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
filename:       /in/5WK3n
function name:  (null)
number of ops:  5
compiled vars:  !0 = $filename
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'ab%00c'
    4     1        FRAMELESS_ICALL_2                str_contains        ~2      !0, '%00'
          2      > JMPZ                                                         ~2, ->4
    5     3    >   ECHO                                                         'bad+filename%0A'
    6     4    > > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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