3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! function crc($i){return crc32($i);} $uri='/advert.html'; var_dump(((crc($uri) << 32) + crc(strrev($uri))));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mhmeu
function name:  (null)
number of ops:  16
compiled vars:  !0 = $uri
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, '%2Fadvert.html'
    5     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'crc'
          3        SEND_VAR                                                 !0
          4        DO_FCALL                                      0  $2      
          5        SL                                               ~3      $2, 32
          6        INIT_FCALL                                               'crc'
          7        INIT_FCALL                                               'strrev'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $4      
         10        SEND_VAR                                                 $4
         11        DO_FCALL                                      0  $5      
         12        ADD                                              ~6      ~3, $5
         13        SEND_VAL                                                 ~6
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Function crc:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mhmeu
function name:  crc
number of ops:  6
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'crc32'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4      > RETURN                                                   $1
          5*     > RETURN                                                   null

End of function crc

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.53 ms | 1397 KiB | 21 Q