WP functions

function.php

<?php
function get_posts_from_category($idCat) {
    // параметры по умолчанию
    $args = array(
        'numberposts' => -1,
        'category'    => $idCat,
        'orderby'     => 'date',
        'order'       => 'DESC',
        'include'     => array(),
        'exclude'     => array(),
        'meta_key'    => '',
        'meta_value'  =>'',
        'post_type'   => 'post',
        'suppress_filters' => true,
    );

    $posts = get_posts( $args );
    wp_reset_postdata();

    return $posts;
}

function do_post($id) {
    remove_filter( 'the_content', 'wpautop' );
    $data = get_post($id);
    $arrayChar = array('\n', '\r\n', '\r', chr(10), chr(13));
    return apply_filters('the_content',  str_replace($arrayChar, '', trim($data->post_content)));
}

// Отключение форматирования
function my_formatter($content) {
    $new_content = '';
    $pattern_full = '{(\[raw\].*?\[/raw\])}is';
    $pattern_contents = '{\[raw\](.*?)\[/raw\]}is';
    $pieces = preg_split($pattern_full, $content, -1, PREG_SPLIT_DELIM_CAPTURE);

    foreach ($pieces as $piece) {
        if (preg_match($pattern_contents, $piece, $matches)) {
            $new_content .= $matches[1];
        } else {
            $new_content .= wptexturize(wpautop($piece));
        }
    }

    return $new_content;
}
remove_filter('the_content', 'wpautop');
remove_filter('the_content', 'wptexturize');
add_filter('the_content', 'my_formatter', 99);
//***
//Add valid elemets tynyMCE
function filter_tiny_mce_before_init( $options ) {

    if ( ! isset( $options['extended_valid_elements'] ) ) {
        $options['extended_valid_elements'] = '';
    } else {
        $options['extended_valid_elements'] .= ',';
    }

    if ( ! isset( $options['custom_elements'] ) ) {
        $options['custom_elements'] = '';
    } else {
        $options['custom_elements'] .= ',';
    }

    $options['extended_valid_elements'] .= 'div[contenteditable|class|id|style],';
    $options['custom_elements']         .= 'div[contenteditable|class|id|style],';
    $options['extended_valid_elements'] .= 'a[href|target=_blank],strong/b,div[align],br,noindex';
    $options['custom_elements']         .= 'a[href|target=_blank],strong/b,div[align],br,noindex';

    return $options;
}
add_filter('tiny_mce_before_init', 'filter_tiny_mce_before_init');
// ***
// Скрипты и стили
function theme_scripts() {
    wp_enqueue_script('jquery');
    wp_enqueue_script('bootstrap', 'https://cdn.jsdelivr.net/bootstrap/3.3.7/js/bootstrap.min.js', array('jquery'), '3.3.7', true);
    wp_enqueue_script('slick', get_template_directory_uri() . '/assets/js/slick.js', array('jquery'), '1.6.0', true);
    wp_enqueue_script('fancybox', get_template_directory_uri() . '/assets/js/jquery.fancybox.min.js', array('jquery'), '1.0.0', true);
    wp_enqueue_script('scripts', get_template_directory_uri() . '/assets/js/script.min.js', array('jquery'), '1.0.0', true);
    wp_enqueue_script('forSeo', get_template_directory_uri() . '/assets/js/forSeo.js', array('jquery'), '1.0.0', true);

    wp_enqueue_script('respond', 'https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js', array('jquery'), '1.0.0', true);
    wp_enqueue_script('html5shiv', 'https://oss.maxcdn.com/libs/html5shiv/3.7.2/html5shiv.js', array('jquery'), '1.0.0', true);

    wp_script_add_data( 'respond', 'conditional', 'lt IE 9' );
    wp_script_add_data( 'html5shiv', 'conditional', 'lt IE 9' );
    //
    wp_enqueue_style('fonts', 'https://fonts.googleapis.com/css?family=Roboto|Roboto+Slab:700|Ubuntu:400,400i,700');
    wp_enqueue_style('bootstrap', 'https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css');
    wp_enqueue_style('font-awesome', 'https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css');
    wp_enqueue_style('slick', get_template_directory_uri() . '/assets/css/slick.css');
    wp_enqueue_style('bootstrap', get_template_directory_uri() . '/jquery.fancybox.min.css');
    wp_enqueue_style( 'styles', get_template_directory_uri() . '/assets/css/styles.min.css');
    wp_enqueue_style( 'overrite', get_template_directory_uri() . '/assets/css/overrite.css');
    //wp_enqueue_style('fonts-rouble', 'http://fonts.googleapis.com/css?family=PT+Sans:regular,italic,bold,bolditalic');
}
add_action('wp_enqueue_scripts', 'theme_scripts');

// Add defer attribute to scripts
function defer_scripts($tag, $handle, $src) {
    $handleList = array(
        'template_front_libs_app'
    );

    if (in_array($handle, $handleList)) {
        return str_replace(' src', ' defer src', $tag);
    }

    return $tag;
}
add_filter('script_loader_tag', 'defer_scripts', 10, 3);

// Add the preload attribute to the style files.
function preload_style($tag, $handle, $href, $media) {
    $handleList = array(
        'template_frontend_libs_style',
    );
    $preloadTag = "";

    if (in_array($handle, $handleList)) {
        $preloadTag = "<link rel=\"preload\" href=\"" . $href . "\" as=\"style\" media=\"" . $media . "\" />";
    }

    return $preloadTag . $tag;
}
add_filter('style_loader_tag', 'preload_style', 10, 4);

// Добавляем атрибут defer к скриптам
function defer_scripts($tag, $handle, $src) {
    $handleList = [
        //list handles
    ];

    if (in_array($handle, $handleList)) {
        // return str_replace( ' src', ' async src', $tag );
        return str_replace(' src', ' defer src', $tag);
    }

    return $tag;
}
add_filter('script_loader_tag', 'defer_scripts', 10, 3);

// Добавляем атрибут preload к файлам стилей
function preload_style($tag, $handle, $href, $media) {
    $handleList = [
        //list handles
    ];

    if (in_array($handle, $handleList)) {
        $preloadTag = "<link rel=\"preload\" href=\"" . $href . "\" as=\"style\" />";
    }

    return $preloadTag . $tag;
}
add_filter('style_loader_tag', 'preload_style', 10, 4);

function remove_trash_script () {
    // Отрубаем скрипты
}
function remove_trash_styles () {
    $arrStyleTrash = array('genericons','jetpack_css');
    // Отрубаем стили
    wp_deregister_style($arrStyleTrash);
}
//add_filter( 'wp_print_scripts', 'remove_trash_script', 40);
//add_filter( 'wp_print_styles', 'remove_trash_styles', 40);

register_nav_menus(array(
    'index' => __('Меню на главной', 'indexMenu'),
    // 'sidebar' => __('Меню в sidebar', 'sidebarMenu'),
));
add_theme_support('post-thumbnails');

//add_action('wp_head', 'add_scriptmetrics', 99);
add_action('wp_footer', 'add_scriptmetrics', 99);
function add_scriptmetrics(){
    echo get_option_theme('yandex_metrics');
    echo get_option_theme('google_analytics');
}

if( extension_loaded('zlib') && ini_get('output_handler') != 'ob_gzhandler' ){
    add_action('wp', function(){ @ ob_end_clean(); @ ini_set('zlib.output_compression', 'on'); } );
}

add_filter( 'plugin_action_links', 'set_required_plugins', 10, 2 );
public function set_required_plugins($actions, $plugin_file)
{
    // Удаляет действие "Редактировать" у всех плагинов
    unset( $actions['edit'] );

    // Удаляет действие "Деактивировать" у важных для сайта плагинов
    $important_plugins = array(
        'carbon-fields/carbon-fields-plugin.php',
        'kama-thumbnail/kama_thumbnail.php',
        'contact-form-7/wp-contact-form-7.php',
        'vbv_breadcrumbs-master/vbv_breadcrumbs.php',
        'slick-slider-itb/slick-slider-itb.php',
        'itb-settings/itb-settings.php',
    );
    if ( in_array( $plugin_file, $important_plugins ) ) {
        unset( $actions['deactivate'] );
    }

    return $actions;
}

// Информация кол-ве запросов и используемой памяти
add_filter('wp_footer', 'performance');
function performance() {
    $stat = sprintf('SQL: %d за %.3f sec. %.2f MB', get_num_queries(), timer_stop(0, 3), (memory_get_peak_usage() / 1024 / 1024) );
    echo "<!-- $stat -->"; // скрыто
    //echo $stat;
}
add_filter('admin_footer_text', 'wp_usage');
function wp_usage() {
    printf( ('SQL: %d за %s сек. '), get_num_queries(), timer_stop(0, 3) );
    if ( function_exists('memory_get_usage') ) echo round( memory_get_usage()/1024/1024, 2 ) . ' mb ';
}