3v4l.org

run code in 300+ PHP versions simultaneously
<?php $q=' <?php $q=\'%s\'; printf($q, addslashes($q));'; printf($q, addslashes($q));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XqCIl
function name:  (null)
number of ops:  9
compiled vars:  !0 = $q
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%0A%3C%3Fphp%0A%24q%3D%27%25s%27%3B%0Aprintf%28%24q%2C+addslashes%28%24q%29%29%3B'
    6     1        INIT_FCALL                                               'printf'
          2        SEND_VAR                                                 !0
          3        INIT_FCALL                                               'addslashes'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
171.83 ms | 1394 KiB | 17 Q