3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (isset($_POST["submit"])): $hidden = $_POST["hidden"]; $x = $hidden + 1; else: $x = 0; endif; ?> <form method ="POST" action=""> <input type="submit" name="submit" value="Increase"/> <input type="hidden" name="hidden" value="<?php echo $x; ?>"/> </form> <?php echo "Kliknuto je <b>$x</b> puta"; ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 9
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/REbvd
function name:  (null)
number of ops:  18
compiled vars:  !0 = $hidden, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_IS                                         ~2      '_POST'
          1        ISSET_ISEMPTY_DIM_OBJ                         0          ~2, 'submit'
          2      > JMPZ                                                     ~3, ->9
    4     3    >   FETCH_R                      global              ~4      '_POST'
          4        FETCH_DIM_R                                      ~5      ~4, 'hidden'
          5        ASSIGN                                                   !0, ~5
    5     6        ADD                                              ~7      !0, 1
          7        ASSIGN                                                   !1, ~7
          8      > JMP                                                      ->10
    9     9    >   ASSIGN                                                   !1, 0
   13    10    >   ECHO                                                     '%0A%3Cform+method+%3D%22POST%22+action%3D%22%22%3E%0A%09%3Cinput+type%3D%22submit%22+name%3D%22submit%22+value%3D%22Increase%22%2F%3E%0A%09%3Cinput+type%3D%22hidden%22+name%3D%22hidden%22+value%3D%22'
   16    11        ECHO                                                     !1
         12        ECHO                                                     '%22%2F%3E%0A%3C%2Fform%3E%0A'
   18    13        ROPE_INIT                                     3  ~11     'Kliknuto+je+%3Cb%3E'
         14        ROPE_ADD                                      1  ~11     ~11, !1
         15        ROPE_END                                      2  ~10     ~11, '%3C%2Fb%3E+puta'
         16        ECHO                                                     ~10
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.09 ms | 1393 KiB | 13 Q