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<?php $text = "http://www.google.com/\r\nhttp://www.google.com/\r\nhttp://www.google.com/"; $matches[0] = preg_replace('/(http|ftp)+(s)?:(\/\/)((\w|\.|\-)+)(\/)?(\S)+/i', '[url]\0[\4]',$text); print_r($matches[0]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MRPlE
function name:  (null)
number of ops:  13
compiled vars:  !0 = $text, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'http%3A%2F%2Fwww.google.com%2F%0D%0Ahttp%3A%2F%2Fwww.google.com%2F%0D%0Ahttp%3A%2F%2Fwww.google.com%2F'
    3     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%28http%7Cftp%29%2B%28s%29%3F%3A%28%5C%2F%5C%2F%29%28%28%5Cw%7C%5C.%7C%5C-%29%2B%29%28%5C%2F%29%3F%28%5CS%29%2B%2Fi'
          3        SEND_VAL                                                 '%5Burl%5D%5C0%5B%5C4%5D'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        ASSIGN_DIM                                               !1, 0
          7        OP_DATA                                                  $4
    4     8        INIT_FCALL                                               'print_r'
          9        FETCH_DIM_R                                      ~5      !1, 0
         10        SEND_VAL                                                 ~5
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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