Drupal Coding Standards Issues | phpcs

Problem/Motivation

Getting following error/warnings

FILE: /app/modules/contrib/select_or_other/src/Element/ElementBase.php
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FOUND 3 ERRORS AFFECTING 3 LINES
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135 | ERROR | [x] Use null coalesce operator instead of ternary operator.
154 | ERROR | [x] Use null coalesce operator instead of ternary operator.
204 | ERROR | [x] Use null coalesce operator instead of ternary operator.
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PHPCBF CAN FIX THE 3 MARKED SNIFF VIOLATIONS AUTOMATICALLY
---------------------------------------------------------------------------

FILE: /app/modules/contrib/select_or_other/src/Plugin/Field/FieldWidget/ListWidget.php
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FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
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57 | WARNING | \Drupal calls should be avoided in classes, use dependency injection instead
142 | WARNING | \Drupal calls should be avoided in classes, use dependency injection instead
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FILE: /app/modules/contrib/select_or_other/src/Plugin/Field/FieldWidget/ReferenceWidget.php
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FOUND 2 ERRORS AFFECTING 2 LINES
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242 | ERROR | [x] Use null coalesce operator instead of ternary operator.
297 | ERROR | [x] Use null coalesce operator instead of ternary operator.
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PHPCBF CAN FIX THE 2 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: /app/modules/contrib/select_or_other/tests/src/Unit/ButtonsElementTest.php
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FOUND 1 ERROR AFFECTING 1 LINE
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58 | ERROR | [x] Use null coalesce operator instead of ternary operator.
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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FILE: /app/modules/contrib/select_or_other/tests/src/Unit/ElementsTest.php
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FOUND 1 ERROR AFFECTING 1 LINE
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132 | ERROR | [x] Use null coalesce operator instead of ternary operator.
---------------------------------------------------------------------------
PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
---------------------------------------------------------------------------

FILE: /app/modules/contrib/select_or_other/tests/src/Unit/ListWidgetTest.php
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FOUND 1 ERROR AFFECTING 1 LINE
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59 | ERROR | [x] list(...) is forbidden, use [...] instead.
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
----------------------------------------------------------------------------

FILE: /app/modules/contrib/select_or_other/tests/src/Unit/SelectElementTest.php
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FOUND 1 ERROR AFFECTING 1 LINE
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58 | ERROR | [x] Use null coalesce operator instead of ternary operator.
-------------------------------------------------------------------------------
PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
-------------------------------------------------------------------------------

Time: 465ms; Memory: 12MB

Steps to reproduce

Run following command

phpcs --standard=Drupal,DrupalPractice --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml modules/contrib/select_or_other/

Proposed resolution

Above error need to be fixed