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<?php var_dump(filter_var('publisher@i-butler.de', FILTER_VALIDATE_EMAIL)); var_dump(preg_match( "/^[a-z0-9._\-ÄÖÜäöüß\+]+@[A-Z0-9.\-ÄÖÜäöü]{1,63}\.[A-Z]{2,6}$/ui", 'publisher@i-butler.de' ));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Nojkc
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'filter_var'
          2        SEND_VAL                                                 'publisher%40i-butler.de'
          3        SEND_VAL                                                 274
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
    4     7        INIT_FCALL                                               'var_dump'
          8        INIT_FCALL                                               'preg_match'
    5     9        SEND_VAL                                                 '%2F%5E%5Ba-z0-9._%5C-%C3%84%C3%96%C3%9C%C3%A4%C3%B6%C3%BC%C3%9F%5C%2B%5D%2B%40%5BA-Z0-9.%5C-%C3%84%C3%96%C3%9C%C3%A4%C3%B6%C3%BC%5D%7B1%2C63%7D%5C.%5BA-Z%5D%7B2%2C6%7D%24%2Fui'
    6    10        SEND_VAL                                                 'publisher%40i-butler.de'
         11        DO_ICALL                                         $2      
         12        SEND_VAR                                                 $2
         13        DO_ICALL                                                 
    7    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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