3v4l.org

run code in 300+ PHP versions simultaneously
<?php [$x, $y, $z] = null; var_dump([$x, $y, $z]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8LHAp
function name:  (null)
number of ops:  13
compiled vars:  !0 = $x, !1 = $y, !2 = $z
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_LIST_R                                     $3      null, 0
          1        ASSIGN                                                   !0, $3
          2        FETCH_LIST_R                                     $5      null, 1
          3        ASSIGN                                                   !1, $5
          4        FETCH_LIST_R                                     $7      null, 2
          5        ASSIGN                                                   !2, $7
    4     6        INIT_FCALL                                               'var_dump'
          7        INIT_ARRAY                                       ~9      !0
          8        ADD_ARRAY_ELEMENT                                ~9      !1
          9        ADD_ARRAY_ELEMENT                                ~9      !2
         10        SEND_VAL                                                 ~9
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
176.13 ms | 1394 KiB | 15 Q