3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); if($_SESSION["PagesVisited"] != 1){ header( 'Location: /mobileSurvey1.php' ) ; }else{ $_SESSION["PagesVisited"] = 2; } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/g8I2p
function name:  (null)
number of ops:  14
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'session_start'
          1        DO_ICALL                                                 
    5     2        FETCH_R                      global              ~1      '_SESSION'
          3        FETCH_DIM_R                                      ~2      ~1, 'PagesVisited'
          4        IS_NOT_EQUAL                                             ~2, 1
          5      > JMPZ                                                     ~3, ->10
    6     6    >   INIT_FCALL                                               'header'
          7        SEND_VAL                                                 'Location%3A+%2FmobileSurvey1.php'
          8        DO_ICALL                                                 
          9      > JMP                                                      ->13
    8    10    >   FETCH_W                      global              $5      '_SESSION'
         11        ASSIGN_DIM                                               $5, 'PagesVisited'
         12        OP_DATA                                                  2
   10    13    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.28 ms | 1394 KiB | 17 Q