functions.php

#1 Load Scripts & Styles

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function my_assets() {
    // BOOTSTRAP AND MAIN CSS
    wp_enqueue_style( 'bootstrap', get_stylesheet_directory_uri() . '/vendor/bootstrap/css/bootstrap.min.css' );
    wp_enqueue_style( 'ThemeStyles', get_stylesheet_directory_uri() . '/css/business-frontpage.css' );
    // DEREGISTER AND REGISTER JQUERY
    wp_deregister_script( 'jquery' );
    wp_enqueue_script( 'jquery', get_stylesheet_directory_uri() . '/vendor/jquery/jquery.min.js' );
    wp_enqueue_script( 'bsbundle', get_stylesheet_directory_uri() . '/vendor/bootstrap/js/bootstrap.bundle.min.js' );
    // FONT AWESOME
    wp_enqueue_style( 'load-fa', 'https://use.fontawesome.com/releases/v5.4.1/css/all.css' );
    //GOOGLE FONTS
    wp_enqueue_style( 'NunitoSans', 'https://fonts.googleapis.com/css?family=Nunito+Sans:300,300i,400,400i,700,700i&subset=latin-ext', false );
    wp_enqueue_style( 'PlayfairDisplay', 'https://fonts.googleapis.com/css?family=Playfair+Display:400,700&subset=cyrillic,latin-ext', false );
}
 
add_action( 'wp_enqueue_scripts', 'my_assets' );

#1.1 Load JQuery

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//   Do motywu
function jquery() {
wp_deregister_script('jquery');
wp_register_script('jquery', '//code.jquery.com/jquery-3.4.1.min.js', false, null);
wp_enqueue_script('jquery');
}
add_action( 'wp_enqueue_scripts', 'jquery' );

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//   Do admin panelu
function jquery_admin() {
    wp_deregister_script('jquery');
    wp_register_script('jquery', '//code.jquery.com/jquery-3.4.1.min.js', false, null);
    wp_enqueue_script('jquery');
}
add_action( 'admin_enqueue_scripts', 'jquery_admin' );

#2 Post thumbnails

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// POST THUMBNAILS
add_theme_support( 'post-thumbnails' );
 
add_image_size( 'category-thumb', 728, 9999 ); // 728 pixels wide (and unlimited height)
add_image_size( 'related', 9999, 300 ); // 150 pixels wide (and 250px height)
add_image_size( 'full-page', 1000, 99999 ); // 150 pixels wide (and 250px height)
add_image_size( 'mascara', 200, 350 ); // 150 pixels wide (and 250px height)

#3 Custom Logo

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// THEME LOGO
add_theme_support( 'custom-logo' );
 
add_theme_support( 'custom-logo', array(
'height'      => 42,
'width'       => 75,
'flex-height' => true,
'flex-width'  => true,
'header-text' => array( 'site-title', 'site-description' ),
) );

#4 Register Bootstrap 3/4 navwalker

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// Bs4NavWalker
require_once('bs4navwalker.php');
// Bs3NavWalker
require_once(dirname(__FILE__).'/lib/wp-bootstrap-navwalker.php');

### Bootstrap 3 navwalker

### Bootstrap 4 navwalker

#5 Register Menu

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register_nav_menu('top', 'Top menu');

#6 Register Sidebar

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// RGISTER SIDEBAR
function _s_widgets_init() {
register_sidebar( array(
'name'          => esc_html__( 'Sidebar', '_s' ),
'id'            => 'sidebar-1',
'description'   => esc_html__( 'Add widgets here.', '_s' ),
'before_widget' => '<div id="%1$s" class="widget %2$s row my-4">',
'after_widget'  => '</div>',
'before_title'  => '<h2 class="widget-title">',
'after_title'   => '</h2>',
) );
}
add_action( 'widgets_init', '_s_widgets_init' );

### Excerpt Limit

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function custom_excerpt_length( $length ) {
return 10;
}
add_filter( 'excerpt_length', 'custom_excerpt_length', 999 );

 

### Customize Options

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/**
* Create Logo Setting and Upload Control
*/
add_action( 'customize_register', 'cd_customizer_settings' );
function cd_customizer_settings( $wp_customize ) {
// Add section to personaize options ==============================================================================================
$wp_customize->add_section( 'customize_me' , array(
'title'      => 'Zarządzaj motywem',
'priority'   => 30,
) );
// Add Settings ===================================================================================================================
$wp_customize->add_setting( 'ranking_category' , array( // Set Ranking Category
'default'     => 'ranking',
'transport'   => 'refresh',
) );
// Add Settings Control ============================================================================================================
$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'ranking_category', array( // Ranking Category Callback
'label'        => 'Slug kategorii z mascarami.',
'section'    => 'customize_me', // Section Name
'settings'   => 'ranking_category', // Setting Name
'type' => 'text',
) ) );
}

#7 Shortcode

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// Create Shortcode review
// Shortcode: [review type="pros"]
function create_review_shortcode($atts, $content = null) {
 
  $atts = shortcode_atts(
    array(
      'type' => 'pros',
    ),
    $atts,
    'review'
  );
 
  $type = $atts['type'];
 
  return '<div class="'.$type.'">'.$content.'</div>';
 
}
add_shortcode( 'review', 'create_review_shortcode' );

#8 Strona z ustawieniami

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/* Theme options Settings Page */
class themeoptions_Settings_Page {
  public function __construct() {
    add_action( 'admin_menu', array( $this, 'wph_create_settings' ) );
    add_action( 'admin_init', array( $this, 'wph_setup_sections' ) );
    add_action( 'admin_init', array( $this, 'wph_setup_fields' ) );
  }
  public function wph_create_settings() {
    $page_title = 'Ustawienia Szablonu "Ranking 10335"';
    $menu_title = 'Theme options';
    $capability = 'edit_theme_options';
    $slug = 'themeoptions';
    $callback = array($this, 'wph_settings_content');
    $icon = 'dashicons-schedule';
    add_theme_page($page_title, $menu_title, $capability, $slug, $callback);
  }
  public function wph_settings_content() { ?>
    <div class="wrap">
      <h1>Ustawienia Szablonu "Ranking 10335"</h1>
      <?php settings_errors(); ?>
      <form method="POST" action="options.php">
        <?php
          settings_fields( 'themeoptions' );
          do_settings_sections( 'themeoptions' );
          submit_button();
        ?>
      </form>
    </div> <?php
  }
  public function wph_setup_sections() {
    add_settings_section( 'themeoptions_section', 'Weź i ustaw sobie kilka rzeczy', array(), 'themeoptions' );
  }
  public function wph_setup_fields() {
    $fields = array(
      array(
        'label' => 'Tekst do wyświetlenia w headerze strony',
        'id' => 'site-header-text',
        'type' => 'textarea',
        'section' => 'themeoptions_section',
        'desc' => 'ze znacznikami HTML',
        'placeholder' => 'Przychylnym okiem: ...',
      ),
      array(
        'label' => 'Logo tekstowe',
        'id' => 'site-text-logo',
        'type' => 'text',
        'section' => 'themeoptions_section',
        'desc' => 'Znajduje się obok nawigacji',
        'placeholder' => 'np. Ranking',
      ),
      array(
        'label' => 'Wstęp do rankingu',
        'id' => 'ranking-intro',
        'type' => 'textarea',
        'section' => 'themeoptions_section',
        'desc' => 'Zdanie tuż nad rankingiem',
        'placeholder' => 'Oto lista...',
      ),
      array(
        'label' => 'Sortowanie pozycji w rankingu',
        'id' => 'ranking-order',
        'type' => 'select',
        'section' => 'themeoptions_section',
        'options' => array(
          'ASC' => 'Od najstarszego',
          'DESC' => 'Od najmłodszego',
        ),
        'desc' => 'Sortowanie wg dat',
        'placeholder' => 'Wybierz sortowanie',
      ),
      array(
        'label' => 'Kategoria z rankingiem',
        'id' => 'ranking-cat',
        'type' => 'text',
        'section' => 'themeoptions_section',
        'desc' => 'Wpisz ID kategorii (po przecinku jeśli jest więcej niż jedna)',
        'placeholder' => 'np. 14, 12',
      ),
    );
    foreach( $fields as $field ){
      add_settings_field( $field['id'], $field['label'], array( $this, 'wph_field_callback' ), 'themeoptions', $field['section'], $field );
      register_setting( 'themeoptions', $field['id'] );
    }
  }
  public function wph_field_callback( $field ) {
    $value = get_option( $field['id'] );
    switch ( $field['type'] ) {
        case 'select':
        case 'multiselect':
          if( ! empty ( $field['options'] ) && is_array( $field['options'] ) ) {
            $attr = '';
            $options = '';
            foreach( $field['options'] as $key => $label ) {
              $options.= sprintf('<option value="%s" %s>%s</option>',
                $key,
                selected($value[array_search($key, $value, true)], $key, false),
                $label
              );
            }
            if( $field['type'] === 'multiselect' ){
              $attr = ' multiple="multiple" ';
            }
            printf( '<select name="%1$s[]" id="%1$s" %2$s>%3$s</select>',
              $field['id'],
              $attr,
              $options
            );
          }
          break;
        case 'textarea':
        printf( '<textarea name="%1$s" id="%1$s" placeholder="%2$s" rows="5" cols="50">%3$s</textarea>',
          $field['id'],
          $field['placeholder'],
          $value
          );
          break;
      default:
        printf( '<input name="%1$s" id="%1$s" type="%2$s" placeholder="%3$s" value="%4$s" />',
          $field['id'],
          $field['type'],
          $field['placeholder'],
          $value
        );
    }
    if( $desc = $field['desc'] ) {
      printf( '<p class="description">%s </p>', $desc );
    }
  }
}
new themeoptions_Settings_Page();

#9 Użycie ustawień

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<?php echo get_option('ranking-intro'); ?>

#10 Panel z ustawieniami

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add_action( 'customize_register', 'cd_customizer_settings' );
function cd_customizer_settings( $wp_customize ) {
// Add section to personaize options ==============================================================================================
$wp_customize->add_section( 'customize_me' , array(
'title'      => 'Zarządzaj motywem',
'priority'   => 30,
) );
// Add Settings ===================================================================================================================
    
    $wp_customize->add_setting( 'category_name', //No need to use a SERIALIZED name, as `theme_mod` settings already live under one db record
array(
    'default'    => 'default', //Default setting/value to save
    'type'       => 'theme_mod', //Is this an 'option' or a 'theme_mod'?
    'transport'  => 'refresh', //What triggers a refresh of the setting? 'refresh' or 'postMessage' (instant)?
)
);
 
 
$wp_customize->add_setting( 'more_text' , array( // Set Read More text
'default'     => 'więcej',
'transport'   => 'refresh',
) );
 
$wp_customize->add_setting( 'new_posts' , array( // Next Posts Text
'default'     => 'Nowsze',
'transport'   => 'refresh',
) );
$wp_customize->add_setting( 'prev_posts' , array( // Previous Posts Text
'default'     => 'Starsze',
'transport'   => 'refresh',
) );
$wp_customize->add_setting( 'order' , array( // Set Read More text
'default'     => 'ASC',
'transport'   => 'refresh',
) );
$wp_customize->add_setting( 'search_results' , array( // Set Read More text
'default'     => 'Wyniki wyszukiwania dla: ',
'transport'   => 'refresh',
) );
 
     $wp_customize->add_setting( 'nothing_text' , array( // Set Read More text
'default'     => 'Nic nie znaleziono. Prosimy spróbwac ponownie używając innych słów kluczowych.',
'transport'   => 'refresh',
) );
// Add Settings Control ============================================================================================================
    $all_categories = get_categories();
    $args_categories = [];
    foreach($all_categories as $c) {
        $args_categories[$c->slug] = $c->name;
    }
    $wp_customize->add_control( new WP_Customize_Control($wp_customize, //Pass the $wp_customize object (required)
'category_name', //Set a unique ID for the control
array(
    'label'      => 'Wybierz kategorię z rankingiem', //Admin-visible name of the control
    'settings'   => 'category_name', //Which setting to load and manipulate (serialized is okay)
    'priority'   => 10, //Determines the order this control appears in for the specified section
    'section'    => 'customize_me', //ID of the section this control should render in (can be one of yours, or a WordPress default section)
    'type'    => 'select',
    'choices' => $args_categories,
)
) );
    
 
$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'more_text', array( // Read More Callback
'label'        => 'więcej - tłumaczenie (widok rankingu).',
'section'    => 'customize_me',
'settings'   => 'more_text',
'type' => 'text',
) ) );
 
$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'new_posts', array( // Next Posts Text Callback
'label'        => 'Nowsze wpisy - tłumaczenie',
'section'    => 'customize_me',
'settings'   => 'new_posts',
'type' => 'text',
) ) );
$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'prev_posts', array( // Previous Posts Text Callback
'label'        => 'Starsze wpisy - tłumaczenie',
'section'    => 'customize_me',
'settings'   => 'prev_posts',
'type' => 'text',
) ) );
$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'order', array( // Previous Posts Text Callback
'label'        => 'Kolejność wyswietlania elementów rankingu(ASC/DESC)',
'section'    => 'customize_me',
'settings'   => 'order',
'type' => 'text',
) ) );
$wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'search_results', array( // Previous Posts Text Callback
'label'        => 'Wyniki wyszukiwania dla: - tłumaczenie ',
'section'    => 'customize_me',
'settings'   => 'search_results',
'type' => 'text',
) ) );
 
     $wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'nothing_text', array( // Previous Posts Text Callback
'label'        => 'Nic nie znaleziono. Prosimy spróbować ponownie używając innych słów kluczowych - tłumaczenie',
'section'    => 'customize_me',
'settings'   => 'nothing_text',
'type' => 'text',
) ) );
}

#11 Usuwanie nazwy categorii z URL’a dla niestandardowych typów postów (w poniższym przykładzie dla custom post type „products”)

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function remove_post_slug( $post_link, $post, $leavename ) {
 
    if ( 'products' != $post-&gt;post_type || 'publish' != $post-&gt;post_status ) {
        return $post_link;
    }
 
    $post_link = str_replace( '/' . $post-&gt;post_type . '/', '/', $post_link );
 
    return $post_link;
}
add_filter( 'post_type_link', 'remove_post_slug', 10, 3 );
 
 
function parse_request_trick( $query ) {
 
    if ( ! $query-&gt;is_main_query() || 2 != count( $query-&gt;query ) || ! isset( $query-&gt;query['page'] ) ) {
        return;
    }
 
    if ( ! empty( $query-&gt;query['name'] ) ) {
        $query-&gt;set( 'post_type', array( 'post', 'products', 'page' ) );
    }
}
add_action( 'pre_get_posts', 'parse_request_trick' );