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  1. <?php
  2.  
  3. function isValid($email)
  4. {
  5.     if (strpos($email, '..') || strpos($email, '.@') || strpos($email, '@.')) {
  6.         return false;
  7.     }
  8.  
  9.     return (bool)preg_match('/^(?!\.)[A-Za-z0-9\._]{1,20}\@[A-Za-z0-9\._]{1,20}\.[A-Za-z]{2,3}$/', $email, $matches);
  10. }
  11.  
  12. fscanf(STDIN, "%d", $t);
  13.  
  14. for($i=0; $i<$t; $i++) {
  15.     fscanf(STDIN, "%s", $email);
  16.     printf("%s\n", isValid($email) ? 'Tak' : 'Nie');
  17. }
Success #stdin #stdout 0.02s 26364KB
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https://ideone.com/0qBnQt
language:
PHP (php 7.3.5)
created:
1 year ago
visibility:
secret

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