3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r=77; eval("$t=0$r;"); if(isset($t)) echo $t;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 9
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/unLq7
function name:  (null)
number of ops:  10
compiled vars:  !0 = $r, !1 = $t
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 77
    5     1        ROPE_INIT                                     4  ~4      !1
          2        ROPE_ADD                                      1  ~4      ~4, '%3D0'
          3        ROPE_ADD                                      2  ~4      ~4, !0
          4        ROPE_END                                      3  ~3      ~4, '%3B'
          5        INCLUDE_OR_EVAL                                          ~3, EVAL
    7     6        ISSET_ISEMPTY_CV                                         !1
          7      > JMPZ                                                     ~7, ->9
          8    >   ECHO                                                     !1
          9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.66 ms | 1393 KiB | 13 Q