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<?php #$pattern = "#^/([a-zA-Z0-9_-]+)(/[^/]+)+/$#"; $pattern = "#^/([a-z]{2})/([a-zA-Z0-9_-]++)/([a-zA-Z0-9_-]++)/(.*/)?+[/]{0,1}$#"; $subject = '/en/user/login/foo/bar/'; var_dump(preg_match($pattern, $subject, $matches), $matches); $subject = '/en/user/login'; var_dump(preg_match($pattern, $subject, $matches), $matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8c9r4
function name:  (null)
number of ops:  22
compiled vars:  !0 = $pattern, !1 = $subject, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, '%23%5E%2F%28%5Ba-z%5D%7B2%7D%29%2F%28%5Ba-zA-Z0-9_-%5D%2B%2B%29%2F%28%5Ba-zA-Z0-9_-%5D%2B%2B%29%2F%28.%2A%2F%29%3F%2B%5B%2F%5D%7B0%2C1%7D%24%23'
    5     1        ASSIGN                                                   !1, '%2Fen%2Fuser%2Flogin%2Ffoo%2Fbar%2F'
    7     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'preg_match'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        SEND_REF                                                 !2
          7        DO_ICALL                                         $5      
          8        SEND_VAR                                                 $5
          9        SEND_VAR                                                 !2
         10        DO_ICALL                                                 
    9    11        ASSIGN                                                   !1, '%2Fen%2Fuser%2Flogin'
   10    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'preg_match'
         14        SEND_VAR                                                 !0
         15        SEND_VAR                                                 !1
         16        SEND_REF                                                 !2
         17        DO_ICALL                                         $8      
         18        SEND_VAR                                                 $8
         19        SEND_VAR                                                 !2
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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