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<?php echo sha1('aaroZmOk').sha1('aaK1STfY'); echo "\n"; echo sha1('aaO8zKZF'); echo "\n"; echo sha1('aa3OFF9m');
based on 8jpJY
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/NS4gM
function name:  (null)
number of ops:  19
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   INIT_FCALL                                               'sha1'
         1        SEND_VAL                                                 'aaroZmOk'
         2        DO_ICALL                                         $0      
         3        INIT_FCALL                                               'sha1'
         4        SEND_VAL                                                 'aaK1STfY'
         5        DO_ICALL                                         $1      
         6        CONCAT                                           ~2      $0, $1
         7        ECHO                                                     ~2
   3     8        ECHO                                                     '%0A'
   4     9        INIT_FCALL                                               'sha1'
        10        SEND_VAL                                                 'aaO8zKZF'
        11        DO_ICALL                                         $3      
        12        ECHO                                                     $3
   5    13        ECHO                                                     '%0A'
   6    14        INIT_FCALL                                               'sha1'
        15        SEND_VAL                                                 'aa3OFF9m'
        16        DO_ICALL                                         $4      
        17        ECHO                                                     $4
        18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0