3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'ytest'; create_function("", "};$echo 'y'//");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lm6R8
function name:  (null)
number of ops:  9
compiled vars:  !0 = $echo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ECHO                                                     'ytest'
    3     1        INIT_FCALL_BY_NAME                                       'create_function'
          2        SEND_VAL_EX                                              ''
          3        ROPE_INIT                                     3  ~2      '%7D%3B'
          4        ROPE_ADD                                      1  ~2      ~2, !0
          5        ROPE_END                                      2  ~1      ~2, '+%27y%27%2F%2F'
          6        SEND_VAL_EX                                              ~1
          7        DO_FCALL                                      0          
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.13 ms | 1392 KiB | 13 Q