3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0;$i<1000;$i++) { $vals = array('a', 'b', 'c', 'd', 'e', 'f', 'g'); $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 = 37
Branch analysis from position: 37
2 jumps found. (Code = 44) Position 1 = 39, Position 2 = 2
Branch analysis from position: 39
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 35
Branch analysis from position: 35
2 jumps found. (Code = 44) Position 1 = 36, Position 2 = 7
Branch analysis from position: 36
2 jumps found. (Code = 44) Position 1 = 39, Position 2 = 2
Branch analysis from position: 39
Branch analysis from position: 2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 11
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
2 jumps found. (Code = 44) Position 1 = 36, Position 2 = 7
Branch analysis from position: 36
Branch analysis from position: 7
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
Branch analysis from position: 15
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 19
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 23
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
Branch analysis from position: 23
2 jumps found. (Code = 43) Position 1 = 25, Position 2 = 27
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
Branch analysis from position: 27
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 31
Branch analysis from position: 29
1 jumps found. (Code = 42) Position 1 = 32
Branch analysis from position: 32
Branch analysis from position: 31
2 jumps found. (Code = 44) Position 1 = 36, Position 2 = 7
Branch analysis from position: 36
Branch analysis from position: 7
filename:       /in/r78ov
function name:  (null)
number of ops:  41
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                                                      ->37
    3     2    >   ASSIGN                                                   !1, <array>
    4     3        ASSIGN                                                   !2, <true>
    6     4        ASSIGN                                                   !3, 0
    7     5        ASSIGN                                                   !4, 'a'
    8     6      > JMP                                                      ->35
    9     7    >   IS_EQUAL                                                 !4, 'a'
          8      > JMPZ                                                     ~10, ->11
   10     9    >   ECHO                                                     'a'
         10      > JMP                                                      ->32
   11    11    >   IS_EQUAL                                                 !4, 'b'
         12      > JMPZ                                                     ~11, ->15
   12    13    >   ECHO                                                     'b'
         14      > JMP                                                      ->32
   13    15    >   IS_EQUAL                                                 !4, 'c'
         16      > JMPZ                                                     ~12, ->19
   14    17    >   ECHO                                                     'c'
         18      > JMP                                                      ->32
   15    19    >   IS_EQUAL                                                 !4, 'd'
         20      > JMPZ                                                     ~13, ->23
   16    21    >   ECHO                                                     'd'
         22      > JMP                                                      ->32
   17    23    >   IS_EQUAL                                                 !4, 'e'
         24      > JMPZ                                                     ~14, ->27
   18    25    >   ECHO                                                     'e'
         26      > JMP                                                      ->32
   19    27    >   IS_EQUAL                                                 !4, 'f'
         28      > JMPZ                                                     ~15, ->31
   20    29    >   ECHO                                                     'f'
         30      > JMP                                                      ->32
   22    31    >   ASSIGN                                                   !2, <false>
   25    32    >   FETCH_DIM_R                                      ~17     !1, !3
         33        ASSIGN                                                   !4, ~17
   26    34        PRE_INC                                                  !3
    8    35    > > JMPNZ                                                    !2, ->7
    2    36    >   PRE_INC                                                  !0
         37    >   IS_SMALLER                                               !0, 1000
         38      > JMPNZ                                                    ~21, ->2
   31    39    > > EXIT                                                     
         40*     > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.92 ms | 1399 KiB | 13 Q