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<?php $filename = 'abcdefg.jpeg'; echo $filename . PHP_EOL; echo substr($filename, -3) . PHP_EOL; echo substr($filename, strrpos($filename, '.')+1) . PHP_EOL; $filename = 'abcdefg.jpg'; echo $filename . PHP_EOL; echo substr($filename, -3) . PHP_EOL; echo substr($filename, strrpos($filename, '.')+1) . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gHLlg
function name:  (null)
number of ops:  41
compiled vars:  !0 = $filename
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'abcdefg.jpeg'
    4     1        CONCAT                                           ~2      !0, '%0A'
          2        ECHO                                                     ~2
    5     3        INIT_FCALL                                               'substr'
          4        SEND_VAR                                                 !0
          5        SEND_VAL                                                 -3
          6        DO_ICALL                                         $3      
          7        CONCAT                                           ~4      $3, '%0A'
          8        ECHO                                                     ~4
    6     9        INIT_FCALL                                               'substr'
         10        SEND_VAR                                                 !0
         11        INIT_FCALL                                               'strrpos'
         12        SEND_VAR                                                 !0
         13        SEND_VAL                                                 '.'
         14        DO_ICALL                                         $5      
         15        ADD                                              ~6      $5, 1
         16        SEND_VAL                                                 ~6
         17        DO_ICALL                                         $7      
         18        CONCAT                                           ~8      $7, '%0A'
         19        ECHO                                                     ~8
    8    20        ASSIGN                                                   !0, 'abcdefg.jpg'
    9    21        CONCAT                                           ~10     !0, '%0A'
         22        ECHO                                                     ~10
   10    23        INIT_FCALL                                               'substr'
         24        SEND_VAR                                                 !0
         25        SEND_VAL                                                 -3
         26        DO_ICALL                                         $11     
         27        CONCAT                                           ~12     $11, '%0A'
         28        ECHO                                                     ~12
   11    29        INIT_FCALL                                               'substr'
         30        SEND_VAR                                                 !0
         31        INIT_FCALL                                               'strrpos'
         32        SEND_VAR                                                 !0
         33        SEND_VAL                                                 '.'
         34        DO_ICALL                                         $13     
         35        ADD                                              ~14     $13, 1
         36        SEND_VAL                                                 ~14
         37        DO_ICALL                                         $15     
         38        CONCAT                                           ~16     $15, '%0A'
         39        ECHO                                                     ~16
         40      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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