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

Generated using Vulcan Logic Dumper, using php 8.0.0


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