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<?php $t = '//upload.arrivo.ru/tmp/'; var_dump(parse_url($t));
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/aLDXQ
function name:  (null)
number of ops:  8
compiled vars:  !0 = $t
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   ASSIGN                                                   !0, '%2F%2Fupload.arrivo.ru%2Ftmp%2F'
   5     1        INIT_FCALL                                               'var_dump'
         2        INIT_FCALL                                               'parse_url'
         3        SEND_VAR                                                 !0
         4        DO_ICALL                                         $2      
         5        SEND_VAR                                                 $2
         6        DO_ICALL                                                 
         7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.1.0