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<?php $url='https://www.dropbox.com/s/t16e9t2dyv2snl2/Vind%20gratis%20artikelen%20en%20de%20beste%20koopjes%20op%20nl.pepper.com.pdf'; $valid = filter_var($url,FILTER_VALIDATE_URL) !== false; var_dump($valid);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fjWEE
function name:  (null)
number of ops:  11
compiled vars:  !0 = $url, !1 = $valid
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'https%3A%2F%2Fwww.dropbox.com%2Fs%2Ft16e9t2dyv2snl2%2FVind%2520gratis%2520artikelen%2520en%2520de%2520beste%2520koopjes%2520op%2520nl.pepper.com.pdf'
    4     1        INIT_FCALL                                               'filter_var'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 273
          4        DO_ICALL                                         $3      
          5        TYPE_CHECK                                  1018  ~4      $3
          6        ASSIGN                                                   !1, ~4
    5     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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