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<?php $serverName = "sub.heart.se"; $mainDomainStartPos = strrpos(substr($serverName, 0, -1 + strrpos($serverName, ".")), '.'); echo substr($serverName, $mainDomainStartPos, 100);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SDNIJ
function name:  (null)
number of ops:  23
compiled vars:  !0 = $serverName, !1 = $mainDomainStartPos
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'sub.heart.se'
    3     1        INIT_FCALL                                               'strrpos'
          2        INIT_FCALL                                               'substr'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 0
          5        INIT_FCALL                                               'strrpos'
          6        SEND_VAR                                                 !0
          7        SEND_VAL                                                 '.'
          8        DO_ICALL                                         $3      
          9        ADD                                              ~4      -1, $3
         10        SEND_VAL                                                 ~4
         11        DO_ICALL                                         $5      
         12        SEND_VAR                                                 $5
         13        SEND_VAL                                                 '.'
         14        DO_ICALL                                         $6      
         15        ASSIGN                                                   !1, $6
    4    16        INIT_FCALL                                               'substr'
         17        SEND_VAR                                                 !0
         18        SEND_VAR                                                 !1
         19        SEND_VAL                                                 100
         20        DO_ICALL                                         $8      
         21        ECHO                                                     $8
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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