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<?php $letter = 'A'; while ( ($letters[] = $letter++) !== 'ZZZZ') {} print_r($letters);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
filename:       /in/l035h
function name:  (null)
number of ops:  11
compiled vars:  !0 = $letter, !1 = $letters
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'A'
    4     1      > JMP                                                      ->2
          2    >   POST_INC                                         ~4      !0
          3        ASSIGN_DIM                                       ~3      !1
          4        OP_DATA                                                  ~4
          5        IS_NOT_IDENTICAL                                         ~3, 'ZZZZ'
          6      > JMPNZ                                                    ~5, ->2
    5     7    >   INIT_FCALL                                               'print_r'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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