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<?php $url = ':www.google.co.m'; preg_match('/(.*):\/\/.*/', $url, $match); if(empty($match))print_R($match);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 11
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/tK9Tp
function name:  (null)
number of ops:  12
compiled vars:  !0 = $url, !1 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%3Awww.google.co.m'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%28.%2A%29%3A%5C%2F%5C%2F.%2A%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    4     6        ISSET_ISEMPTY_CV                                         !1
          7      > JMPZ                                                     ~4, ->11
          8    >   INIT_FCALL                                               'print_r'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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