آموزش ساخت افزونه وردپرس برای شمارش تعداد کلمات و زمان تخمینی مطالعه هر پست

<?php
/*
  Plugin Name: Wpstorm Word Count And Time Plugin
  Description: A truly amazing plugin.
  Version: 1.0
  Author: Wpstorm DEV team
  Author URI: https://wpstorm.ir/
  Text Domain: wcpdomain
  Domain Path: /languages
*/

class WordCountAndTimePlugin {
  function __construct() {
    add_action('admin_menu', array($this, 'adminPage'));
    add_action('admin_init', array($this, 'settings'));
    add_filter('the_content', array($this, 'ifWrap'));
    add_action('init', array($this, 'languages'));
  }

  // Add class methods here
}

function languages() {
  load_plugin_textdomain('wcpdomain', false, dirname(plugin_basename(__FILE__)) . '/languages');
}

function ifWrap($content) {
  if (is_main_query() && is_single() && (
      get_option('wcp_wordcount', '1') ||
      get_option('wcp_charactercount', '1') ||
      get_option('wcp_readtime', '1')
    )
  ) {
    return $this->createHTML($content);
  }
  return $content;
}

function createHTML($content) {
  $html = '<h3>' . esc_html(get_option('wcp_headline', 'Post Statistics')) . '</h3><p>';

  // Get word count once because both word count and read time will need it.
  if (get_option('wcp_wordcount', '1') || get_option('wcp_readtime', '1')) {
    $wordCount = str_word_count(strip_tags($content));
  }

  if (get_option('wcp_wordcount', '1')) {
    $html .= esc_html__('This post has', 'wcpdomain') . ' ' . $wordCount . ' ' . __('words', 'wcpdomain') . '.<br>';
  }

  if (get_option('wcp_charactercount', '1')) {
    $html .= 'This post has ' . strlen(strip_tags($content)) . ' characters.<br>';
  }

  if (get_option('wcp_readtime', '1')) {
    $html .= 'This post will take about ' . round($wordCount/225) . ' minute(s) to read.<br>';
  }

  $html .= '</p>';

  if (get_option('wcp_location', '0') == '0') {
    return $html . $content;
  }
  return $content . $html;
}

function settings() {
  add_settings_section('wcp_first_section', null, null, 'word-count-settings-page');

  add_settings_field('wcp_location', 'Display Location', array($this, 'locationHTML'), 'word-count-settings-page', 'wcp_first_section');
  register_setting('wordcountplugin', 'wcp_location', array('sanitize_callback' => array($this, 'sanitizeLocation'), 'default' => '0'));

  add_settings_field('wcp_headline', 'Headline Text', array($this, 'headlineHTML'), 'word-count-settings-page', 'wcp_first_section');
  register_setting('wordcountplugin', 'wcp_headline', array('sanitize_callback' => 'sanitize_text_field', 'default' => 'Post Statistics'));

  add_settings_field('wcp_wordcount', 'Word Count', array($this, 'checkboxHTML'), 'word-count-settings-page', 'wcp_first_section', array('theName' => 'wcp_wordcount'));
  register_setting('wordcountplugin', 'wcp_wordcount', array('sanitize_callback' => 'sanitize_text_field', 'default' => '1'));

  add_settings_field('wcp_charactercount', 'Character Count', array($this, 'checkboxHTML'), 'word-count-settings-page', 'wcp_first_section', array('theName' => 'wcp_charactercount'));
  register_setting('wordcountplugin', 'wcp_charactercount', array('sanitize_callback' => 'sanitize_text_field', 'default' => '1'));

  add_settings_field('wcp_readtime', 'Read Time', array($this, 'checkboxHTML'), 'word-count-settings-page', 'wcp_first_section', array('theName' => 'wcp_readtime'));
  register_setting('wordcountplugin', 'wcp_readtime', array('sanitize_callback' => 'sanitize_text_field', 'default' => '1'));
}

function sanitizeLocation($input) {
  if ($input != '0' && $input != '1') {
    add_settings_error('wcp_location', 'wcp_location_error', 'Display location must be either beginning or end.');
    return get_option('wcp_location');
  }
  return $input;
}

// Reusable checkbox function
function checkboxHTML($args) {
  ?>
  <input type="checkbox" name="<?php echo $args['theName'] ?>" value="1" <?php checked(get_option($args['theName']), '1') ?>>
  <?php
}

function headlineHTML() {
  ?>
  <input type="text" name="wcp_headline" value="<?php echo esc_attr(get_option('wcp_headline')) ?>">
  <?php
}

function locationHTML() {
  ?>
  <select name="wcp_location">
    <option value="0" <?php selected(get_option('wcp_location'), '0') ?>>Beginning of post</option>
    <option value="1" <?php selected(get_option('wcp_location'), '1') ?>>End of post</option>
  </select>
  <?php
}

function adminPage() {
  add_options_page('Word Count Settings', __('Word Count', 'wcpdomain'), 'manage_options', 'word-count-settings-page', array($this, 'ourHTML'));
}

function ourHTML() {
  ?>
  <div class="wrap">
    <h1>Word Count Settings</h1>
    <form action="options.php" method="POST">
      <?php
        settings_fields('wordcountplugin');
        do_settings_sections('word-count-settings-page');
        submit_button();
      ?>
    </form>
  </div>
  <?php
}

$wordCountAndTimePlugin = new WordCountAndTimePlugin();

<?php

/*
  Plugin Name: Wpstorm Word Count And Time Plugin
  Description: A truly amazing plugin.
  Version: 1.0
  Author: Wpstorm DEV team
  Author URI: https://wpstorm.ir/
  Text Domain: wcpdomain
  Domain Path: /languages
*/

class WordCountAndTimePlugin {
  function __construct() {
    add_action('admin_menu', array($this, 'adminPage'));
    add_action('admin_init', array($this, 'settings'));
    add_filter('the_content', array($this, 'ifWrap'));
    add_action('init', array($this, 'languages'));
  }

  function languages() {
    load_plugin_textdomain('wcpdomain', false, dirname(plugin_basename(__FILE__)) . '/languages');
  }

  function ifWrap($content) {
    if (is_main_query() AND is_single() AND
    (
      get_option('wcp_wordcount', '1') OR
      get_option('wcp_charactercount', '1') OR
      get_option('wcp_readtime', '1')
    )) {
      return $this->createHTML($content);
    }
    return $content;
  }

  function createHTML($content) {
    $html = '<h3>' . esc_html(get_option('wcp_headline', 'Post Statistics')) . '</h3><p>';

    // get word count once because both wordcount and read time will need it.
    if (get_option('wcp_wordcount', '1') OR get_option('wcp_readtime', '1')) {
      $wordCount = str_word_count(strip_tags($content));
    }

    if (get_option('wcp_wordcount', '1')) {
      $html .= esc_html__('This post has', 'wcpdomain') . ' ' . $wordCount . ' ' . __('words', 'wcpdomain') . '.<br>';
    }

    if (get_option('wcp_charactercount', '1')) {
      $html .= 'This post has ' . strlen(strip_tags($content)) . ' characters.<br>';
    }

    if (get_option('wcp_readtime', '1')) {
      $html .= 'This post will take about ' . round($wordCount/225) . ' minute(s) to read.<br>';
    }

    $html .= '</p>';

    if (get_option('wcp_location', '0') == '0') {
      return $html . $content;
    }
    return $content . $html;
  }

  function settings() {
    add_settings_section('wcp_first_section', null, null, 'word-count-settings-page');

    add_settings_field('wcp_location', 'Display Location', array($this, 'locationHTML'), 'word-count-settings-page', 'wcp_first_section');
    register_setting('wordcountplugin', 'wcp_location', array('sanitize_callback' => array($this, 'sanitizeLocation'), 'default' => '0'));

    add_settings_field('wcp_headline', 'Headline Text', array($this, 'headlineHTML'), 'word-count-settings-page', 'wcp_first_section');
    register_setting('wordcountplugin', 'wcp_headline', array('sanitize_callback' => 'sanitize_text_field', 'default' => 'Post Statistics'));

    add_settings_field('wcp_wordcount', 'Word Count', array($this, 'checkboxHTML'), 'word-count-settings-page', 'wcp_first_section', array('theName' => 'wcp_wordcount'));
    register_setting('wordcountplugin', 'wcp_wordcount', array('sanitize_callback' => 'sanitize_text_field', 'default' => '1'));

    add_settings_field('wcp_charactercount', 'Character Count', array($this, 'checkboxHTML'), 'word-count-settings-page', 'wcp_first_section', array('theName' => 'wcp_charactercount'));
    register_setting('wordcountplugin', 'wcp_charactercount', array('sanitize_callback' => 'sanitize_text_field', 'default' => '1'));

    add_settings_field('wcp_readtime', 'Read Time', array($this, 'checkboxHTML'), 'word-count-settings-page', 'wcp_first_section', array('theName' => 'wcp_readtime'));
    register_setting('wordcountplugin', 'wcp_readtime', array('sanitize_callback' => 'sanitize_text_field', 'default' => '1'));
  }

  function sanitizeLocation($input) {
    if ($input != '0' AND $input != '1') {
      add_settings_error('wcp_location', 'wcp_location_error', 'Display location must be either beginning or end.');
      return get_option('wcp_location');
    }
    return $input;
  }

  // reusable checkbox function
  function checkboxHTML($args) { ?>
    <input type="checkbox" name="<?php echo $args['theName'] ?>" value="1" <?php checked(get_option($args['theName']), '1') ?>>
  <?php }

  function headlineHTML() { ?>
    <input type="text" name="wcp_headline" value="<?php echo esc_attr(get_option('wcp_headline')) ?>">
  <?php }

  function locationHTML() { ?>
    <select name="wcp_location">
      <option value="0" <?php selected(get_option('wcp_location'), '0') ?>>Beginning of post</option>
      <option value="1" <?php selected(get_option('wcp_location'), '1') ?>>End of post</option>
    </select>
  <?php }

  function adminPage() {
    add_options_page('Word Count Settings', __('Word Count', 'wcpdomain'), 'manage_options', 'word-count-settings-page', array($this, 'ourHTML'));
  }

  function ourHTML() { ?>
    <div class="wrap">
      <h1>Word Count Settings</h1>
      <form action="options.php" method="POST">
      <?php
        settings_fields('wordcountplugin');
        do_settings_sections('word-count-settings-page');
        submit_button();
      ?>
      </form>
    </div>
  <?php }
}

$wordCountAndTimePlugin = new WordCountAndTimePlugin();