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<?php $lien = "https://dl.dropbox.com/s/hdrvj6326zu4ad2/rrr.JPG?dl=0"; $tab = getimagesize($lien); echo $tab[0];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CVHlq
function name:  (null)
number of ops:  8
compiled vars:  !0 = $lien, !1 = $tab
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'https%3A%2F%2Fdl.dropbox.com%2Fs%2Fhdrvj6326zu4ad2%2Frrr.JPG%3Fdl%3D0'
    4     1        INIT_FCALL                                               'getimagesize'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    6     5        FETCH_DIM_R                                      ~5      !1, 0
          6        ECHO                                                     ~5
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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