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<?php $matches = null; $returnValue = preg_match('/[<>"//]/', 'meta http-equiv="refresh" content="0; url=http://orba.pl/" />', $matches); var_dump($returnValue, $matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/au952
function name:  (null)
number of ops:  12
compiled vars:  !0 = $matches, !1 = $returnValue
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5B%3C%3E%22%2F%2F%5D%2F'
          3        SEND_VAL                                                 'meta+http-equiv%3D%22refresh%22+content%3D%220%3B+url%3Dhttp%3A%2F%2Forba.pl%2F%22+%2F%3E'
          4        SEND_REF                                                 !0
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
    6     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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