3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($ip1, $ip2, $ip3, $ip4) = explode('.', '255.35.101.15'); $ip = ($ip1<<24)|($ip2<<16)|($ip3<<8)|($ip4); echo sprintf('%u', $ip);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2f70H
function name:  (null)
number of ops:  26
compiled vars:  !0 = $ip1, !1 = $ip2, !2 = $ip3, !3 = $ip4, !4 = $ip
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'explode'
          1        SEND_VAL                                                 '.'
          2        SEND_VAL                                                 '255.35.101.15'
          3        DO_ICALL                                         $5      
          4        FETCH_LIST_R                                     $6      $5, 0
          5        ASSIGN                                                   !0, $6
          6        FETCH_LIST_R                                     $8      $5, 1
          7        ASSIGN                                                   !1, $8
          8        FETCH_LIST_R                                     $10     $5, 2
          9        ASSIGN                                                   !2, $10
         10        FETCH_LIST_R                                     $12     $5, 3
         11        ASSIGN                                                   !3, $12
         12        FREE                                                     $5
    3    13        SL                                               ~14     !0, 24
         14        SL                                               ~15     !1, 16
         15        BW_OR                                            ~16     ~14, ~15
         16        SL                                               ~17     !2, 8
         17        BW_OR                                            ~18     ~16, ~17
         18        BW_OR                                            ~19     !3, ~18
         19        ASSIGN                                                   !4, ~19
    4    20        INIT_FCALL                                               'sprintf'
         21        SEND_VAL                                                 '%25u'
         22        SEND_VAR                                                 !4
         23        DO_ICALL                                         $21     
         24        ECHO                                                     $21
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.38 ms | 1395 KiB | 17 Q