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<?php #$pattern = "#^/([a-z]{2})/([a-zA-Z0-9_-]++)/([a-zA-Z0-9_-]++)(/[^/]+)+/$#"; #$pattern = "#^/([a-z]{2})/([a-zA-Z0-9_-]++)/([a-zA-Z0-9_-]++)/(.*/)?+[/]{0,1}$#"; $pattern = "#^/([a-z]{2})/([a-zA-Z0-9_-]++)/([a-zA-Z0-9_-]++)(/.*+)+$#"; $pattern = "#^/([a-z]{2})/([a-zA-Z0-9_-]++)/([a-zA-Z0-9_-]++)(/.*+)+$#"; $pattern = "#^/([a-z]{2})/([a-zA-Z0-9_-]++)/([a-zA-Z0-9_-]++)/(/[^/]+)+/$#"; $pattern = "#^/([a-z]{2})/([a-zA-Z0-9_-]++)/([a-zA-Z0-9_-]++)(/.*+)?+[/]{0,1}$#"; $subject = '/en/user/login/foo/bar/'; var_dump(preg_match($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/cVdKl
function name:  (null)
number of ops:  25
compiled vars:  !0 = $pattern, !1 = $subject, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     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%28%2F.%2A%2B%29%2B%24%23'
    6     1        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%28%2F.%2A%2B%29%2B%24%23'
    7     2        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%2F%5B%5E%2F%5D%2B%29%2B%2F%24%23'
    8     3        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%28%2F.%2A%2B%29%3F%2B%5B%2F%5D%7B0%2C1%7D%24%23'
   10     4        ASSIGN                                                   !1, '%2Fen%2Fuser%2Flogin%2Ffoo%2Fbar%2F'
   12     5        INIT_FCALL                                               'var_dump'
          6        INIT_FCALL                                               'preg_match'
          7        SEND_VAR                                                 !0
          8        SEND_VAR                                                 !1
          9        SEND_REF                                                 !2
         10        DO_ICALL                                         $8      
         11        SEND_VAR                                                 $8
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
   14    14        ASSIGN                                                   !1, '%2Fen%2Fuser%2Flogin'
   15    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'preg_match'
         17        SEND_VAR                                                 !0
         18        SEND_VAR                                                 !1
         19        SEND_REF                                                 !2
         20        DO_ICALL                                         $11     
         21        SEND_VAR                                                 $11
         22        SEND_VAR                                                 !2
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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