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run code in 300+ PHP versions simultaneously
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Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 26
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 26
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 17
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
filename:       /in/UJ6W1
function name:  (null)
number of ops:  28
compiled vars:  !0 = $num, !1 = $n, !2 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_R                                       $4      !0, ->26
          2    > > FE_FETCH_R                                               $4, !1, ->26
    6     3    >   INIT_FCALL                                               'substr'
          4        SEND_VAR                                                 !1
          5        SEND_VAL                                                 0
          6        SEND_VAL                                                 1
          7        DO_ICALL                                         $5      
          8        IS_SMALLER                                               0, $5
          9      > JMPZ                                                     ~6, ->17
    7    10    >   INIT_FCALL                                               'round'
         11        SEND_VAR                                                 !1
         12        SEND_VAL                                                 2
         13        DO_ICALL                                         $7      
         14        CONCAT                                           ~8      $7, '%0A'
         15        ECHO                                                     ~8
    6    16      > JMP                                                      ->25
    9    17    >   INIT_FCALL                                               'preg_match'
         18        SEND_VAL                                                 '%2F%28%5B0%5C.%5D%2B%29%28%5Cd%7B1%2C2%7D%29%2F'
         19        SEND_VAR                                                 !1
         20        SEND_REF                                                 !2
         21        DO_ICALL                                                 
   10    22        FETCH_DIM_R                                      ~10     !2, 0
         23        CONCAT                                           ~11     ~10, '%0A'
         24        ECHO                                                     ~11
    5    25    > > JMP                                                      ->2
         26    >   FE_FREE                                                  $4
   12    27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
146.42 ms | 970 KiB | 16 Q