Following code standards

After running coding standards test on Paraview the following warnings appears:

FILE: /root/repos/pareviewsh/pareview_temp/mail_login.module
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FOUND 0 ERRORS AND 3 WARNINGS AFFECTING 3 LINES
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24 | WARNING | Line exceeds 80 characters; contains 82 characters
26 | WARNING | Only string literals should be passed to t() where
| | possible
27 | WARNING | Only string literals should be passed to t() where
| | possible
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FILE: /root/repos/pareviewsh/pareview_temp/mail_login.install
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FOUND 2 ERRORS AFFECTING 1 LINE
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11 | ERROR | [x] You must use "/**" style comments for a function
| | comment
11 | ERROR | [x] Expected 1 blank line before function; 0 found
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PHPCBF CAN FIX THE 2 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: /root/repos/pareviewsh/pareview_temp/README.txt
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FOUND 0 ERRORS AND 3 WARNINGS AFFECTING 3 LINES
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15 | WARNING | Line exceeds 80 characters; contains 84 characters
47 | WARNING | Line exceeds 80 characters; contains 104 characters
49 | WARNING | Line exceeds 80 characters; contains 101 characters
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FILE: ...pos/pareviewsh/pareview_temp/src/Form/MailLoginAdminSettingsForm.php
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FOUND 15 ERRORS AND 1 WARNING AFFECTING 16 LINES
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33 | ERROR | [x] Short array syntax must be used to define arrays
39 | ERROR | [x] Short array syntax must be used to define arrays
46 | ERROR | [x] Short array syntax must be used to define arrays
53 | ERROR | [x] Short array syntax must be used to define arrays
57 | ERROR | [x] Short array syntax must be used to define arrays
58 | ERROR | [x] Short array syntax must be used to define arrays
59 | ERROR | [x] Short array syntax must be used to define arrays
61 | ERROR | [x] Short array syntax must be used to define arrays
62 | ERROR | [x] Short array syntax must be used to define arrays
68 | ERROR | [x] Short array syntax must be used to define arrays
72 | ERROR | [x] Short array syntax must be used to define arrays
73 | ERROR | [x] Short array syntax must be used to define arrays
74 | ERROR | [x] Short array syntax must be used to define arrays
76 | ERROR | [x] Short array syntax must be used to define arrays
77 | ERROR | [x] Short array syntax must be used to define arrays
89 | WARNING | [ ] Possible useless method overriding detected
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PHPCBF CAN FIX THE 15 MARKED SNIFF VIOLATIONS AUTOMATICALLY