3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a, $b, $c, $d) = array('a' => 4, 'b' => 3, 'c' => 2, 'd' => 1); echo $b;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Mor9T
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a, !1 = $b, !2 = $c, !3 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_LIST_R                                     $4      <array>, 0
          1        ASSIGN                                                   !0, $4
          2        FETCH_LIST_R                                     $6      <array>, 1
          3        ASSIGN                                                   !1, $6
          4        FETCH_LIST_R                                     $8      <array>, 2
          5        ASSIGN                                                   !2, $8
          6        FETCH_LIST_R                                     $10     <array>, 3
          7        ASSIGN                                                   !3, $10
    3     8        ECHO                                                     !1
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.45 ms | 1397 KiB | 13 Q