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<?php function variations($digits, $prefix = '') { for ($i = 1; $i <= 3; $i++) { $variation = $prefix . $i; if ($digits > 1) { variations($digits - 1, $variation); } else { echo $variation . PHP_EOL; } } } variations(1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Rj2u7
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'variations'
          1        SEND_VAL                                                 1
          2        DO_FCALL                                      0          
          3      > RETURN                                                   1

Function variations:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 4
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 14
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 4
Branch analysis from position: 19
Branch analysis from position: 4
Branch analysis from position: 14
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 4
Branch analysis from position: 19
Branch analysis from position: 4
filename:       /in/Rj2u7
function name:  variations
number of ops:  20
compiled vars:  !0 = $digits, !1 = $prefix, !2 = $i, !3 = $variation
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      ''
    4     2        ASSIGN                                                   !2, 1
          3      > JMP                                                      ->17
    5     4    >   CONCAT                                           ~5      !1, !2
          5        ASSIGN                                                   !3, ~5
    7     6        IS_SMALLER                                               1, !0
          7      > JMPZ                                                     ~7, ->14
    8     8    >   INIT_FCALL_BY_NAME                                       'variations'
          9        SUB                                              ~8      !0, 1
         10        SEND_VAL_EX                                              ~8
         11        SEND_VAR_EX                                              !3
         12        DO_FCALL                                      0          
    7    13      > JMP                                                      ->16
   10    14    >   CONCAT                                           ~10     !3, '%0A'
         15        ECHO                                                     ~10
    4    16    >   PRE_INC                                                  !2
         17    >   IS_SMALLER_OR_EQUAL                                      !2, 3
         18      > JMPNZ                                                    ~12, ->4
   13    19    > > RETURN                                                   null

End of function variations

Generated using Vulcan Logic Dumper, using php 8.0.0


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