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<?php for ($i = 0; $i < 500; $i++) { echo "$i => " . (ctype_digit($i) ? "Y" : "N") . "\n"; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 2
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 2
Branch analysis from position: 17
Branch analysis from position: 2
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 2
Branch analysis from position: 17
Branch analysis from position: 2
filename:       /in/HVVPi
function name:  (null)
number of ops:  18
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->15
    4     2    >   NOP                                                      
          3        FAST_CONCAT                                      ~2      !0, '+%3D%3E+'
          4        INIT_FCALL                                               'ctype_digit'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7      > JMPZ                                                     $3, ->10
          8    >   QM_ASSIGN                                        ~4      'Y'
          9      > JMP                                                      ->11
         10    >   QM_ASSIGN                                        ~4      'N'
         11    >   CONCAT                                           ~5      ~2, ~4
         12        CONCAT                                           ~6      ~5, '%0A'
         13        ECHO                                                     ~6
    3    14        PRE_INC                                                  !0
         15    >   IS_SMALLER                                               !0, 500
         16      > JMPNZ                                                    ~8, ->2
    5    17    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.6 ms | 1395 KiB | 15 Q