3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 1; $array[$i] = $i++; var_dump($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OXF8i
function name:  (null)
number of ops:  8
compiled vars:  !0 = $i, !1 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 1
    4     1        POST_INC                                         ~4      !0
          2        ASSIGN_DIM                                               !1, !0
          3        OP_DATA                                                  ~4
    5     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.37 ms | 1385 KiB | 15 Q