3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0;$i<1000;$i++) { $vals = array('a', 'b', 'c', 'd', 'e', 'f'); $token = true; $j = 0; $val = a; while($token) { if ($val == 'a') { echo 'a'; } elseif ($val == 'b') { echo 'b'; } elseif ($val == 'c') { echo 'c'; } elseif ($val == 'd') { echo 'd'; } elseif ($val == 'e') { echo 'e'; } elseif ($val == 'f') { echo 'f'; } else { $token = false; } $val = $vals[$j]; $j++; } } exit;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 38
Branch analysis from position: 38
2 jumps found. (Code = 44) Position 1 = 40, Position 2 = 2
Branch analysis from position: 40
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 36
Branch analysis from position: 36
2 jumps found. (Code = 44) Position 1 = 37, Position 2 = 8
Branch analysis from position: 37
2 jumps found. (Code = 44) Position 1 = 40, Position 2 = 2
Branch analysis from position: 40
Branch analysis from position: 2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
2 jumps found. (Code = 44) Position 1 = 37, Position 2 = 8
Branch analysis from position: 37
Branch analysis from position: 8
Branch analysis from position: 12
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 20
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 26, Position 2 = 28
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
Branch analysis from position: 28
2 jumps found. (Code = 43) Position 1 = 30, Position 2 = 32
Branch analysis from position: 30
1 jumps found. (Code = 42) Position 1 = 33
Branch analysis from position: 33
Branch analysis from position: 32
2 jumps found. (Code = 44) Position 1 = 37, Position 2 = 8
Branch analysis from position: 37
Branch analysis from position: 8
filename:       /in/fhD9Z
function name:  (null)
number of ops:  42
compiled vars:  !0 = $i, !1 = $vals, !2 = $token, !3 = $j, !4 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->38
    3     2    >   ASSIGN                                                   !1, <array>
    4     3        ASSIGN                                                   !2, <true>
    6     4        ASSIGN                                                   !3, 0
    7     5        FETCH_CONSTANT                                   ~9      'a'
          6        ASSIGN                                                   !4, ~9
    8     7      > JMP                                                      ->36
    9     8    >   IS_EQUAL                                                 !4, 'a'
          9      > JMPZ                                                     ~11, ->12
   10    10    >   ECHO                                                     'a'
         11      > JMP                                                      ->33
   11    12    >   IS_EQUAL                                                 !4, 'b'
         13      > JMPZ                                                     ~12, ->16
   12    14    >   ECHO                                                     'b'
         15      > JMP                                                      ->33
   13    16    >   IS_EQUAL                                                 !4, 'c'
         17      > JMPZ                                                     ~13, ->20
   14    18    >   ECHO                                                     'c'
         19      > JMP                                                      ->33
   15    20    >   IS_EQUAL                                                 !4, 'd'
         21      > JMPZ                                                     ~14, ->24
   16    22    >   ECHO                                                     'd'
         23      > JMP                                                      ->33
   17    24    >   IS_EQUAL                                                 !4, 'e'
         25      > JMPZ                                                     ~15, ->28
   18    26    >   ECHO                                                     'e'
         27      > JMP                                                      ->33
   19    28    >   IS_EQUAL                                                 !4, 'f'
         29      > JMPZ                                                     ~16, ->32
   20    30    >   ECHO                                                     'f'
         31      > JMP                                                      ->33
   22    32    >   ASSIGN                                                   !2, <false>
   25    33    >   FETCH_DIM_R                                      ~18     !1, !3
         34        ASSIGN                                                   !4, ~18
   26    35        PRE_INC                                                  !3
    8    36    > > JMPNZ                                                    !2, ->8
    2    37    >   PRE_INC                                                  !0
         38    >   IS_SMALLER                                               !0, 1000
         39      > JMPNZ                                                    ~22, ->2
   31    40    > > EXIT                                                     
         41*     > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.11 ms | 1403 KiB | 13 Q