3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = [0 => 'a', 1 => 'b', 2 => 'c']; unset($arr[2]); $arr[] = 'd'; print_r($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fVm3a
function name:  (null)
number of ops:  8
compiled vars:  !0 = $arr
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                       !0, <array>
    3     1        UNSET_DIM                                                    !0, 2
    4     2        ASSIGN_DIM                                                   !0
          3        OP_DATA                                                      'd'
    6     4        INIT_FCALL                                                   'print_r'
          5        SEND_VAR                                                     !0
          6        DO_ICALL                                                     
          7      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
189.19 ms | 2734 KiB | 14 Q