<?php

namespace WP_CLI\Doctor\Check;

use WP_CLI;
use WP_CLI\Doctor\Check;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;

/**
 * Warns when a PHP file is present in the Uploads folder.
 */
class PHP_In_Upload extends Check {

    /**
     * Array containing list of files found in the uploads folder
     *
     * @var array
     */
    protected $php_files_array = array();

    public function run() {

        // Path to the uploads folder.
        $wp_content_dir = wp_upload_dir();
        $directory      = new RecursiveDirectoryIterator( $wp_content_dir['basedir'], RecursiveDirectoryIterator::SKIP_DOTS );
        $iterator       = new RecursiveIteratorIterator( $directory, RecursiveIteratorIterator::CHILD_FIRST );

        foreach ( $iterator as $file ) {
            if ( 'php' === $file->getExtension() ) {
                $this->php_files_array[] = $file;
            }
        }

        if ( ! empty( $this->php_files_array ) ) {
            $this->set_status( 'warning' );
            $this->set_message( 'PHP files detected in the Uploads folder.' );
        } else {
            $this->set_status( 'success' );
            $this->set_message( 'No PHP files found in the Uploads folder.' );
        }
    }
}