Coding standards

Problem/Motivation

FILE: //openid_connect/src/Plugin/OpenIDConnectClient/OpenIDConnectLinkedinClient.php
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FOUND 3 ERRORS AFFECTING 3 LINES
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64 | ERROR | [x] Use null coalesce operator instead of ternary operator.
65 | ERROR | [x] Use null coalesce operator instead of ternary operator.
66 | ERROR | [x] Use null coalesce operator instead of ternary operator.
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PHPCBF CAN FIX THE 3 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: //openid_connect/src/Form/OpenIDConnectSettingsForm.php
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FOUND 1 ERROR AFFECTING 1 LINE
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194 | ERROR | [x] Array indentation error, expected 6 spaces but found 24
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: //openid_connect/src/Form/OpenIDConnectAccountsForm.php
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FOUND 1 ERROR AFFECTING 1 LINE
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176 | ERROR | [x] list(...) is forbidden, use [...] instead.
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: //openid_connect/tests/src/Unit/OpenIDConnectTest.php
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FOUND 1 ERROR AND 1 WARNING AFFECTING 2 LINES
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174 | ERROR | [x] Functions must not contain multiple empty lines in a row; found 2 empty lines
801 | WARNING | [x] A comma should follow the last multiline array item. Found: fileRepository
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PHPCBF CAN FIX THE 2 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: /openid_connect/tests/src/Unit/Entity/OpenIDConnectClientEntityTest.php
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FOUND 1 ERROR AFFECTING 1 LINE
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204 | ERROR | [x] Expected 1 newline at end of file; 0 found
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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