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<?php $mails = array( 'a.yamada@yamada.com', 'a.yamada@sub.yamada.com', 'a.yamada@sub.sub.yamada.com', 'a.yamada@sub.sub.sub.yamada.com', 'a.yamada@sub.sub.sub.yamada.com', 'a.yamada@yamada.net', 'a.yamada@sub.yamada.net', 'a.yamada@sub.sub.yamada.net', 'a.yamada@sub.sub.sub.yamada.net', 'a.yamada@sub.sub.sub.yamada.net', ); foreach ($mails as $mail) { if (preg_match('/@([^.]+\.){0,}yamada.com$/', $mail)) { echo "DISCARD\n"; } else { echo "OK\n"; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 12
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 12
Branch analysis from position: 3
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 = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/LUOEc
function name:  (null)
number of ops:  14
compiled vars:  !0 = $mails, !1 = $mail
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
   15     1      > FE_RESET_R                                       $3      !0, ->12
          2    > > FE_FETCH_R                                               $3, !1, ->12
   16     3    >   INIT_FCALL                                               'preg_match'
          4        SEND_VAL                                                 '%2F%40%28%5B%5E.%5D%2B%5C.%29%7B0%2C%7Dyamada.com%24%2F'
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                         $4      
          7      > JMPZ                                                     $4, ->10
   17     8    >   ECHO                                                     'DISCARD%0A'
          9      > JMP                                                      ->11
   19    10    >   ECHO                                                     'OK%0A'
   15    11    > > JMP                                                      ->2
         12    >   FE_FREE                                                  $3
   21    13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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