accion-001.php

<?php

add_action('wp_enqueue_scripts', 'dtorrer_agregarFontAwesome');
function dtorrer_agregarFontAwesome(){
  wp_enqueue_script('fontawesome', 'https://use.fontawesome.com/releases/v5.7.2/js/all.js', array(), '5.7.2');
  wp_enqueue_style('miestilo', plugin_dir_url( __FILE__ ) . 'estilos/miestilo.css', array('jquery', 'fontawesome'), '1.0.0');
}

?>

accion-002.php

<?php

add_action('admin_menu', 'dtorrer_administracionSitioWeb');
function dtorrer_administracionSitioWeb(){
  	add_submenu_page('edit.php', 'Mi Página', 'Nombre del Menú', 'update_core', 'pagina_prueba', 'funcion_mostrar_html');
}

?>

actions-001.php

<?php

do_action( 'wp_enqueue_scripts' );

?>

annon-001.php

<?php

add_filter('manage_posts_columns', function( $columnas ){
	$columnas['image'] = 'Imagen Destacada';
	return $columnas;
});

?>

applyfilters-001.php

<?php

$posts_columns = apply_filters( 'manage_posts_columns', $posts_columns, $post_type );

?>

arguments-001.php

<?php

add_action('manage_posts_custom_column', 'dtorrer_agregarColumnaDatos', 10, 2);
function dtorrer_agregarColumnaDatos( $columna, $post_id ){
    /* ... hacer algo en la acción con los dos argumentos ... */
}
?>

class-001.php

<?php

class MiClase {
  public function __construct(){
     add_filter('manage_posts_columns', array($this, 'agregar_columna'));
  }
  
  public function agregar_columna( $columnas ){
    $columnas['image'] = 'Imagen Destacada';
    return $columnas;
  }
}

$agregar_filtro = new MiClase();

?>

earlier-001.php

<?php

add_action('wp_enqueue_scripts', 'dtorrer_agregarFontAwesome', 5);
function dtorrer_agregarFontAwesome(){
  wp_enqueue_script('fontawesome', 'https://use.fontawesome.com/releases/v5.7.2/js/all.js', array(), '5.7.2');
  wp_enqueue_style('miestilo', plugin_dir_url( __FILE__ ) . 'estilos/miestilo.css', array('jquery', 'fontawesome'), '1.0.0');
}

?>

filtro-001.php

<?php

add_filter('script_loader_src', 'dtorrer_removerQueryString', 15, 1);
add_filter('style_loader_src', 'dtorrer_removerQueryString', 15, 1);
function dtorrer_removerQueryString( $cadena ){
	$partes = explode('?ver', $cadena);
	return $partes[0];
}

?>

swift-context.php

<?php

public static function is_cacheable(){
      $ajax_cache       = !defined('DOING_AJAX');
      $logged_in        = (!Swift_Performance_Lite::is_user_logged_in() || Swift_Performance_Lite::check_option('enable-caching-logged-in-users', 1));
      $is_404           = (Swift_Performance_Lite::check_option('cache-404',1) || !Swift_Performance_Lite::is_404());
      $query_string     = (isset($_SERVER['HTTP_X_PREBUILD']) || Swift_Performance_Lite::check_option('ignore-query-string', 1) || empty($_GET));
      $post             = (isset($_SERVER['HTTP_X_PREBUILD']) || empty($_POST));
      $archive          = (Swift_Performance_Lite::check_option('exclude-archive',1) && Swift_Performance_Lite::is_archive() ? false : true);
      $author           = (Swift_Performance_Lite::check_option('exclude-author',1) && Swift_Performance_Lite::is_author() ? false : true);
      $rest             = (Swift_Performance_Lite::check_option('exclude-rest',1) && Swift_Performance_Lite::is_rest() ? false : true);
      $feed             = (Swift_Performance_Lite::check_option('exclude-feed',1) && Swift_Performance_Lite::is_feed() ? false : true);
      return apply_filters('swift_performance_is_cacheable', !self::is_exluded() && $archive && $author && $rest && $feed && $is_404 && !Swift_Performance_Lite::is_admin() && $post && $query_string && $logged_in && $ajax_cache && !self::is_crawler() && !Swift_Performance_Lite::is_password_protected());
}

?>