3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SESSION['usernum'] = "34"; $usernum = intval($_SESSION['usernum']); $query = "SELECT * FROM dinosaurs WHERE UserNum = '$usernum'"; echo $query;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rB6ub
function name:  (null)
number of ops:  13
compiled vars:  !0 = $usernum, !1 = $query
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_W                      global              $2      '_SESSION'
          1        ASSIGN_DIM                                               $2, 'usernum'
          2        OP_DATA                                                  '34'
    4     3        FETCH_R                      global              ~4      '_SESSION'
          4        FETCH_DIM_R                                      ~5      ~4, 'usernum'
          5        CAST                                          4  ~6      ~5
          6        ASSIGN                                                   !0, ~6
    5     7        ROPE_INIT                                     3  ~9      'SELECT+%2A+FROM+dinosaurs+WHERE+UserNum+%3D+%27'
          8        ROPE_ADD                                      1  ~9      ~9, !0
          9        ROPE_END                                      2  ~8      ~9, '%27'
         10        ASSIGN                                                   !1, ~8
    7    11        ECHO                                                     !1
    8    12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.98 ms | 1397 KiB | 13 Q