3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = time(); $randomString = bin2hex(random_bytes(20)); var_dump( $time, $randomString, $_SERVER ); // md5(time() . browser-details-string . "some-salt-string")
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/B7WR9
function name:  (null)
number of ops:  17
compiled vars:  !0 = $time, !1 = $randomString
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'time'
          1        DO_ICALL                                         $2      
          2        ASSIGN                                                   !0, $2
    5     3        INIT_FCALL                                               'bin2hex'
          4        INIT_FCALL                                               'random_bytes'
          5        SEND_VAL                                                 20
          6        DO_ICALL                                         $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                         $5      
          9        ASSIGN                                                   !1, $5
    8    10        INIT_FCALL                                               'var_dump'
    9    11        SEND_VAR                                                 !0
   10    12        SEND_VAR                                                 !1
   11    13        FETCH_R                      global              ~7      '_SERVER'
         14        SEND_VAL                                                 ~7
         15        DO_ICALL                                                 
   14    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.69 ms | 1394 KiB | 21 Q