3v4l.org

run code in 300+ PHP versions simultaneously
<!DOCTYPE HTML> <html> <head> <?php if(isset($_POST['colors'])) { $style = $_POST['colors']; } else { $style = "white"; } ?> <style> body { background-color:<?php echo $style;?> } #submit { } </style> </head> <body> <form action="Background.php" method="post"> <select name="colors"> <option value="Red" >Red</option> <option value="Blue" >Blue</option> <option value="Green" >Green</option> <option value="Yellow" >Yellow</option> <!--<option value="Purple">Purple</option> <option value="Pink">Pink</option> <option value="Wheat">Wheat</option> <option value="AliceBlue">Alice Blue</option> <option value="AquaMarine">Aqua Marine</option> <option value="Black">Black</option> <option value="Silver">Silver</option> <option value="Gray">Gray</option>--> </select> <input type="submit" value="Submit" id="submit"> </form> </body> </html>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3nD8Z
function name:  (null)
number of ops:  13
compiled vars:  !0 = $style
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    1     0  E >   ECHO                                                     '%3C%21DOCTYPE+HTML%3E%0A%3Chtml%3E%0A%3Chead%3E%0A'
    5     1        FETCH_IS                                         ~1      '_POST'
          2        ISSET_ISEMPTY_DIM_OBJ                         0          ~1, 'colors'
          3      > JMPZ                                                     ~2, ->8
    6     4    >   FETCH_R                      global              ~3      '_POST'
          5        FETCH_DIM_R                                      ~4      ~3, 'colors'
          6        ASSIGN                                                   !0, ~4
          7      > JMP                                                      ->9
    8     8    >   ASSIGN                                                   !0, 'white'
   11     9    >   ECHO                                                     '%3Cstyle%3E%0Abody+%7B%0Abackground-color%3A'
   13    10        ECHO                                                     !0
   14    11        ECHO                                                     '%7D%0A%23submit+%7B%0A%7D%0A%3C%2Fstyle%3E%0A%3C%2Fhead%3E%0A%3Cbody%3E%0A%3Cform+action%3D%22Background.php%22+method%3D%22post%22%3E%0A%3Cselect+name%3D%22colors%22%3E%0A%3Coption+value%3D%22Red%22+%3ERed%3C%2Foption%3E%0A%3Coption+value%3D%22Blue%22+%3EBlue%3C%2Foption%3E%0A%3Coption+value%3D%22Green%22+%3EGreen%3C%2Foption%3E%0A%3Coption+value%3D%22Yellow%22+%3EYellow%3C%2Foption%3E%0A%3C%21--%3Coption+value%3D%22Purple%22%3EPurple%3C%2Foption%3E%0A%3Coption+value%3D%22Pink%22%3EPink%3C%2Foption%3E%0A%3Coption+value%3D%22Wheat%22%3EWheat%3C%2Foption%3E%0A%3Coption+value%3D%22AliceBlue%22%3EAlice+Blue%3C%2Foption%3E%0A%3Coption+value%3D%22AquaMarine%22%3EAqua+Marine%3C%2Foption%3E%0A%3Coption+value%3D%22Black%22%3EBlack%3C%2Foption%3E%0A%3Coption+value%3D%22Silver%22%3ESilver%3C%2Foption%3E%0A%3Coption+value%3D%22Gray%22%3EGray%3C%2Foption%3E--%3E%0A%3C%2Fselect%3E%0A%3Cinput+type%3D%22submit%22+value%3D%22Submit%22+id%3D%22submit%22%3E%0A%3C%2Fform%3E%0A%3C%2Fbody%3E%0A%3C%2Fhtml%3E'
   38    12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.53 ms | 1394 KiB | 13 Q