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<?php $re = iconv("utf-8", "cp1251", "/-[а-я]+=/"); $rei = iconv("utf-8", "cp1251", "/-[а-я]+=/i"); $RE = iconv("utf-8", "cp1251", "/-[а-яА-Я]+=/"); $str = iconv("utf-8", "cp1251", "-Превед="); var_dump($str); mb_detect_encoding($str); var_dump($re, preg_match($re, $str)); var_dump($rei, preg_match($rei, $str)); var_dump($RE, preg_match($RE, $str));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IoQnq
function name:  (null)
number of ops:  55
compiled vars:  !0 = $re, !1 = $rei, !2 = $RE, !3 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL_BY_NAME                                       'iconv'
          1        SEND_VAL_EX                                              'utf-8'
          2        SEND_VAL_EX                                              'cp1251'
          3        SEND_VAL_EX                                              '%2F-%5B%D0%B0-%D1%8F%5D%2B%3D%2F'
          4        DO_FCALL                                      0  $4      
          5        ASSIGN                                                   !0, $4
    3     6        INIT_FCALL_BY_NAME                                       'iconv'
          7        SEND_VAL_EX                                              'utf-8'
          8        SEND_VAL_EX                                              'cp1251'
          9        SEND_VAL_EX                                              '%2F-%5B%D0%B0-%D1%8F%5D%2B%3D%2Fi'
         10        DO_FCALL                                      0  $6      
         11        ASSIGN                                                   !1, $6
    4    12        INIT_FCALL_BY_NAME                                       'iconv'
         13        SEND_VAL_EX                                              'utf-8'
         14        SEND_VAL_EX                                              'cp1251'
         15        SEND_VAL_EX                                              '%2F-%5B%D0%B0-%D1%8F%D0%90-%D0%AF%5D%2B%3D%2F'
         16        DO_FCALL                                      0  $8      
         17        ASSIGN                                                   !2, $8
    5    18        INIT_FCALL_BY_NAME                                       'iconv'
         19        SEND_VAL_EX                                              'utf-8'
         20        SEND_VAL_EX                                              'cp1251'
         21        SEND_VAL_EX                                              '-%D0%9F%D1%80%D0%B5%D0%B2%D0%B5%D0%B4%3D'
         22        DO_FCALL                                      0  $10     
         23        ASSIGN                                                   !3, $10
    6    24        INIT_FCALL                                               'var_dump'
         25        SEND_VAR                                                 !3
         26        DO_ICALL                                                 
    8    27        INIT_FCALL                                               'mb_detect_encoding'
         28        SEND_VAR                                                 !3
         29        DO_ICALL                                                 
    9    30        INIT_FCALL                                               'var_dump'
         31        SEND_VAR                                                 !0
         32        INIT_FCALL                                               'preg_match'
         33        SEND_VAR                                                 !0
         34        SEND_VAR                                                 !3
         35        DO_ICALL                                         $14     
         36        SEND_VAR                                                 $14
         37        DO_ICALL                                                 
   10    38        INIT_FCALL                                               'var_dump'
         39        SEND_VAR                                                 !1
         40        INIT_FCALL                                               'preg_match'
         41        SEND_VAR                                                 !1
         42        SEND_VAR                                                 !3
         43        DO_ICALL                                         $16     
         44        SEND_VAR                                                 $16
         45        DO_ICALL                                                 
   11    46        INIT_FCALL                                               'var_dump'
         47        SEND_VAR                                                 !2
         48        INIT_FCALL                                               'preg_match'
         49        SEND_VAR                                                 !2
         50        SEND_VAR                                                 !3
         51        DO_ICALL                                         $18     
         52        SEND_VAR                                                 $18
         53        DO_ICALL                                                 
         54      > RETURN                                                   1

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