podlove / podlove-subscribe-button-wp-plugin

constants.php

<?php

This file is missing a doc comment.

namespace PodloveSubscribeButton;

define( __NAMESPACE__ . '\PLUGIN_FILE_NAME', strtolower( preg_replace( '/([a-z])([A-Z])/', '$1-$2', __NAMESPACE__ ) ) . '.php' );
define( __NAMESPACE__ . '\PLUGIN_DIR' , plugin_dir_path( dirname(__FILE__) ) );

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define( __NAMESPACE__ . '\PLUGIN_FILE', PLUGIN_DIR . PLUGIN_FILE_NAME );
define( __NAMESPACE__ . '\PLUGIN_URL' , plugins_url( '', PLUGIN_FILE ) );

Space found before comma in argument list