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<?php $test = "''<>\"\" , '-. _ @ / > < = "; $x = filter_var($test, FILTER_SANITIZE_STRING); var_dump($x);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Kcijc
function name:  (null)
number of ops:  10
compiled vars:  !0 = $test, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%27%27%3C%3E%22%22+%2C+%27-.+_+%40+%2F+%3E+%3C+%3D+'
    5     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 513
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    7     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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