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<?php $text = <<<TEXT Павел как дела Дуров TEXT; $filter = 'Павел Дуров'; $filter = mb_strtolower($filter); $parts = explode(' ', $filter); $parts = array_map('trim', $parts); $parts = array_map('preg_quote', $parts); $filter = implode('.+', $parts); echo preg_match("~{$filter}~uis", $text);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/X74I6
function name:  (null)
number of ops:  35
compiled vars:  !0 = $text, !1 = $filter, !2 = $parts
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%0A%D0%9F%D0%B0%D0%B2%D0%B5%D0%BB+%D0%BA%D0%B0%D0%BA+%0A%0A%D0%B4%D0%B5%D0%BB%D0%B0+%D0%94%D1%83%D1%80%D0%BE%D0%B2%0A'
   11     1        ASSIGN                                                   !1, '%D0%9F%D0%B0%D0%B2%D0%B5%D0%BB+%D0%94%D1%83%D1%80%D0%BE%D0%B2'
   13     2        INIT_FCALL                                               'mb_strtolower'
          3        SEND_VAR                                                 !1
          4        DO_ICALL                                         $5      
          5        ASSIGN                                                   !1, $5
   14     6        INIT_FCALL                                               'explode'
          7        SEND_VAL                                                 '+'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $7      
         10        ASSIGN                                                   !2, $7
   15    11        INIT_FCALL                                               'array_map'
         12        SEND_VAL                                                 'trim'
         13        SEND_VAR                                                 !2
         14        DO_ICALL                                         $9      
         15        ASSIGN                                                   !2, $9
   16    16        INIT_FCALL                                               'array_map'
         17        SEND_VAL                                                 'preg_quote'
         18        SEND_VAR                                                 !2
         19        DO_ICALL                                         $11     
         20        ASSIGN                                                   !2, $11
   17    21        INIT_FCALL                                               'implode'
         22        SEND_VAL                                                 '.%2B'
         23        SEND_VAR                                                 !2
         24        DO_ICALL                                         $13     
         25        ASSIGN                                                   !1, $13
   19    26        INIT_FCALL                                               'preg_match'
         27        ROPE_INIT                                     3  ~16     '%7E'
         28        ROPE_ADD                                      1  ~16     ~16, !1
         29        ROPE_END                                      2  ~15     ~16, '%7Euis'
         30        SEND_VAL                                                 ~15
         31        SEND_VAR                                                 !0
         32        DO_ICALL                                         $18     
         33        ECHO                                                     $18
         34      > RETURN                                                   1

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