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<?php $str = "http://www.v2ex.com/t/167269#reply42"; $pattern = "/(.+)\/t\/(\d+)(.+)/i"; preg_match($pattern,$str,$matches); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fbBjQ
function name:  (null)
number of ops:  11
compiled vars:  !0 = $str, !1 = $pattern, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'http%3A%2F%2Fwww.v2ex.com%2Ft%2F167269%23reply42'
    3     1        ASSIGN                                                   !1, '%2F%28.%2B%29%5C%2Ft%5C%2F%28%5Cd%2B%29%28.%2B%29%2Fi'
    4     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !2
          6        DO_ICALL                                                 
    6     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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