Expected 1 spaces after opening parenthesis; 0 found

Expected 1 spaces before closing parenthesis; 0 found

Expected 1 space before "||"; 0 found

Inline comments must end in full-stops, exclamation marks, or question marks

Visibility must be declared on method "perform_updates"

Use the __DIR__ constant instead of calling dirname(__FILE__) (PHP >= 5.3)

Functions must not contain multiple empty lines in a row; found 2 empty lines

Function closing brace must go on the next line following the body; found 2 blank lines before brace

Detected usage of a non-sanitized input variable: $_GET['action']

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'WPCP_HTML'.

Process completed with exit code 2.

The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/checkout@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Processing form data without nonce verification.

Processing form data without nonce verification.

Processing form data without nonce verification.

Processing form data without nonce verification.

Processing form data without nonce verification.

Calling current_time() with a $type of "timestamp" or "U" is strongly discouraged as it will not return a Unix (UTC) timestamp. Please consider using a non-timestamp format or otherwise refactoring this code.

This comment is 51% valid code; is this commented out code?

Loose comparisons are not allowed. Expected: "==="; Found: "=="

Property name "$_instance" should not be prefixed with an underscore to indicate visibility