3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c='<?php $c="%s";echo sprintf($c, $c);'; echo sprintf($c, $c);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nMvDL
function name:  (null)
number of ops:  7
compiled vars:  !0 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%3C%3Fphp%0A%24c%3D%22%25s%22%3Becho+sprintf%28%24c%2C+%24c%29%3B'
    4     1        INIT_FCALL                                               'sprintf'
          2        SEND_VAR                                                 !0
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        ECHO                                                     $2
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.64 ms | 1393 KiB | 15 Q