3v4l.org

run code in 300+ PHP versions simultaneously
<?php $secret = 9292929; $data = '$secret = 1111111'; $trigger = ".*)/e\0"; preg_replace( "/($trigger)/i", '"<em>" . strtoupper($1) . "</em>"', $data ); var_dump( $secret );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VNArN
function name:  (null)
number of ops:  15
compiled vars:  !0 = $secret, !1 = $data, !2 = $trigger
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 9292929
    5     1        ASSIGN                                                   !1, '%24secret+%3D+1111111'
    6     2        ASSIGN                                                   !2, '.%2A%29%2Fe%00'
    9     3        INIT_FCALL                                               'preg_replace'
          4        ROPE_INIT                                     3  ~7      '%2F%28'
          5        ROPE_ADD                                      1  ~7      ~7, !2
          6        ROPE_END                                      2  ~6      ~7, '%29%2Fi'
          7        SEND_VAL                                                 ~6
          8        SEND_VAL                                                 '%22%3Cem%3E%22+.+strtoupper%28%241%29+.+%22%3C%2Fem%3E%22'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
   11    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.74 ms | 1385 KiB | 17 Q