3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2, 3); unset($a[2]); $a[] = "4"; print_r($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0QeGt
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
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                                                  '4'
    5     4        INIT_FCALL                                               'print_r'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.37 ms | 1394 KiB | 15 Q