WPUInstaller/inc/base_functions.php

<?php
/*
Plugin Name: [wpuprojectname] Functions
Description: Website common functions
*/

/* ----------------------------------------------------------
  Disabler
---------------------------------------------------------- */

add_action('plugins_loaded', function () {
    /* Disable REST API */
    add_filter('wpudisabler__disable_wp_api__logged_in', '__return_true');
    /* Disable the author page  */
    add_filter('wpudisabler__disable_author_page', '__return_true');
    /* Disable feeds */
    //add_filter('wpudisabler__disable_feeds', '__return_true');
});
/* ----------------------------------------------------------
  Disable block editor
---------------------------------------------------------- */

add_filter('use_block_editor_for_post_type', '__return_false', 100);

/* ----------------------------------------------------------
  WPUSEO - Disable Cookie Tracking
---------------------------------------------------------- */

add_filter('wpuseo__cookie_notice_tracking_feature_flag', '__return_false', 10, 1);


/* ----------------------------------------------------------
  Options - Do not use default language fallback
---------------------------------------------------------- */

add_filter('wputh_l18n_get_option__usedefaultlang', '__return_false', 10, 3);

/* ----------------------------------------------------------
  Core Sitemaps : Disable authors list
---------------------------------------------------------- */

add_filter('wp_sitemaps_enabled', function ($is_enabled) {
    global $wp_query;
    if (is_object($wp_query) && isset($wp_query->query_vars['sitemap']) && $wp_query->query_vars['sitemap'] == 'users') {
        return false;
    }
    return $is_enabled;
}, 10, 1);

/* ----------------------------------------------------------
  Author
---------------------------------------------------------- */

/* Hide author in JSON Metas
-------------------------- */

add_filter('wpuseo_metas_json_after_settings', function ($metas_json) {
    if (isset($metas_json['author'])) {
        $metas_json['author'] = get_bloginfo('name');
    }
    return $metas_json;
}, 10, 1);

/* ----------------------------------------------------------
  Uploads
---------------------------------------------------------- */

/* Prevent ugly uploads
-------------------------- */

add_filter('wp_handle_upload_prefilter', function ($file) {
    $size = $file['size'] / 1024;
    $blocked_types = array(
        'image/png' => array(
            'name' => 'PNG',
            'limit' => 500,
            'extra_error' => __('Shouldn’t this image be converted to JPG?', 'wpuprojectid')
        ),
        'image/svg+xml' => array(
            'name' => 'SVG',
            'limit' => 200
        ),
        'image/gif' => array(
            'name' => 'GIF',
            'limit' => 300,
            'extra_error' => __('Shouldn’t this image be converted to a Video?', 'wpuprojectid')
        )
    );

    foreach ($blocked_types as $type => $type_infos) {
        if ($file['type'] == $type && $size > $type_infos['limit']) {
            $file['error'] = sprintf(__('%s files should weight less than %s ko !', 'wpuprojectid'), $type_infos['name'], $type_infos['limit']);
            if (isset($type_infos['extra_error'])) {
                $file['error'] .= ' ' . $type_infos['extra_error'];
            }
        }
    }
    return $file;
});

/* Allow SVG upload for admins
-------------------------- */

add_filter('upload_mimes', function ($mimes) {
    if (current_user_can('remove_users')) {
        $mimes['svg'] = 'image/svg+xml';
    }
    return $mimes;
});

/* ----------------------------------------------------------
  Search only in posts
---------------------------------------------------------- */

add_filter('pre_get_posts', function ($query) {
    if (!function_exists('relevanssi_do_query') && $query->is_search && !is_admin()) {
        $query->set('post_type', array('post'));
    }
    return $query;
});

/* ----------------------------------------------------------
  Force HTTPS via PHP
---------------------------------------------------------- */

add_action('plugins_loaded', function () {
    $site_url = site_url();
    if (defined('WP_SITEURL')) {
        $site_url = WP_SITEURL;
    }
    /* Only if HTTPS is needed */
    if (substr($site_url, 0, 5) != 'https') {
        return;
    }
    if ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'http') || (isset($_SERVER['HTTP_X_REMOTE_PROTO']) && $_SERVER['HTTP_X_REMOTE_PROTO'] == 'http')) {
        header("Location: https://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
        exit();
    }
}, 10, 1);

/* ----------------------------------------------------------
  Disable some plugins not needed in frontend
---------------------------------------------------------- */

$request_uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
$is_admin = strpos($request_uri, '/wp-admin/');

if (false === $is_admin) {
    add_filter('option_active_plugins', function ($plugins) {
        $disabled_plugins = array(
            'happyfiles-pro/happyfiles-pro.php'
        );
        foreach ($disabled_plugins as $plugin_path) {
            $k = array_search($plugin_path, $plugins);
            if (false !== $k) {
                unset($plugins[$k]);
            }
        }
        return $plugins;
    });
}