3v4l.org

run code in 300+ PHP versions simultaneously
<?php $files = array(1,2); $x = mt_rand(0,count($files)-1); echo("\"$files[$x]\""); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RK4En
function name:  (null)
number of ops:  14
compiled vars:  !0 = $files, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'mt_rand'
          2        SEND_VAL                                                 0
          3        COUNT                                            ~3      !0
          4        SUB                                              ~4      ~3, 1
          5        SEND_VAL                                                 ~4
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !1, $5
    4     8        ROPE_INIT                                     3  ~9      '%22'
          9        FETCH_DIM_R                                      ~7      !0, !1
         10        ROPE_ADD                                      1  ~9      ~9, ~7
         11        ROPE_END                                      2  ~8      ~9, '%22'
         12        ECHO                                                     ~8
    5    13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
145.17 ms | 1394 KiB | 15 Q