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<?php echo (strpos('CNXXXXXX122334.txt','CN') == 0) . "\n"; echo (strpos('CNXXXXXX122334.txt','XT') == 0) . "\n"; echo (strpos('CNXXXXXX122334.txt','XT') == 1) . "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gZjIV
function name:  (null)
number of ops:  22
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'strpos'
          1        SEND_VAL                                                 'CNXXXXXX122334.txt'
          2        SEND_VAL                                                 'CN'
          3        DO_ICALL                                         $0      
          4        IS_EQUAL                                         ~1      $0, 0
          5        CONCAT                                           ~2      ~1, '%0A'
          6        ECHO                                                     ~2
    3     7        INIT_FCALL                                               'strpos'
          8        SEND_VAL                                                 'CNXXXXXX122334.txt'
          9        SEND_VAL                                                 'XT'
         10        DO_ICALL                                         $3      
         11        IS_EQUAL                                         ~4      $3, 0
         12        CONCAT                                           ~5      ~4, '%0A'
         13        ECHO                                                     ~5
    4    14        INIT_FCALL                                               'strpos'
         15        SEND_VAL                                                 'CNXXXXXX122334.txt'
         16        SEND_VAL                                                 'XT'
         17        DO_ICALL                                         $6      
         18        IS_EQUAL                                         ~7      $6, 1
         19        CONCAT                                           ~8      ~7, '%0A'
         20        ECHO                                                     ~8
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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