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<?php $url = "www.groupon.com"; $url_array = parse_url($url); echo "<pre>"; print_r($url_array); die(); if ( $url_array = parse_url($url) ) { if ( !isset($url_array["scheme"]) ) { $url = "http://{$url}"; } }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 79) Position 1 = -2
filename:       /in/fN1EU
function name:  (null)
number of ops:  22
compiled vars:  !0 = $url, !1 = $url_array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'www.groupon.com'
    5     1        INIT_FCALL                                               'parse_url'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !1, $3
    7     5        ECHO                                                     '%3Cpre%3E'
    8     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
   12     9      > EXIT                                                     
   14    10*       INIT_FCALL                                               'parse_url'
         11*       SEND_VAR                                                 !0
         12*       DO_ICALL                                         $6      
         13*       ASSIGN                                           ~7      !1, $6
         14*       JMPZ                                                     ~7, ->21
   16    15*       ISSET_ISEMPTY_DIM_OBJ                         0  ~8      !1, 'scheme'
         16*       BOOL_NOT                                         ~9      ~8
         17*       JMPZ                                                     ~9, ->21
   18    18*       NOP                                                      
         19*       FAST_CONCAT                                      ~10     'http%3A%2F%2F', !0
         20*       ASSIGN                                                   !0, ~10
   20    21*     > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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