lynda-05-wordpress_building_child_themes/functions.php

<?php

function popper_child_setup(){
  // preparar o tema para a traducao
	load_child_theme_textdomain( 'popper-child', get_stylesheet_directory() .  '/languages' );
	
	// registrar outro menu no rodape
	register_nav_menus( array(
		'rodape' => esc_html__( 'Menu do Rodape', 'popper-child' ),
	) );

	/**
	 * Register 2 widget area.
	 *
	 * @link https://developer.wordpress.org/themes/functionality/sidebars/#registering-a-sidebar
	 */
	function popper_child_widgets_init_footer() {
		register_sidebar( array(
			'name'          => esc_html__( 'Widget Area no Footer', 'popper-child' ),
			'id'            => 'sidebar-foooter',
			'description'   => '',
			'before_widget' => '<aside id="%1$s" class="widget %2$s">',
			'after_widget'  => '</aside>',
			'before_title'  => '<h2 class="widget-title">',
			'after_title'   => '</h2>',
		) );
	}
	add_action( 'widgets_init', 'popper_child_widgets_init_footer' );

}

add_action('after_setup_theme', 'popper_child_setup');


/**
 * Enqueue scripts and styles.
 */
function popper_child_scripts() {
	// Fonts: Fira Sans and Merriweather, https://www.google.com/fonts
	wp_enqueue_style( 'popper-child-google-fonts', '//fonts.googleapis.com/css?family=Alegreya+Sans+SC:400,400i,500,500i,800,800i|Anonymous+Pro:400,400i,700,700i' );
	// des-enfilirar styles do tema pai
	wp_dequeue_style('popper-google-fonts');

}
add_action( 'wp_enqueue_scripts', 'popper_child_scripts', 11); 
// 11 para ser executado depois do popper_script do pai. o padrao é 10
// https://developer.wordpress.org/reference/functions/add_action/


function popper_posted_on() {

	$author_id = get_the_author_meta( 'ID' );

	$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
	if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
		$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
	}

	$time_string = sprintf( $time_string,
		esc_attr( get_the_date( 'c' ) ),
		esc_html( get_the_date() ),
		esc_attr( get_the_modified_date( 'c' ) ),
		esc_html( get_the_modified_date() )
	);

	$posted_on = sprintf(
		esc_html_x( ' on %s', 'post date', 'popper-child' ),
		'<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>'
	);

	$byline = sprintf(
		esc_html_x( 'by %s', 'post author', 'popper-child' ),
		'<span class="author vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '">' . esc_html( get_the_author() ) . '</a></span>'
	);

	// Display author avatar if author has a Gravatar
	if ( validate_gravatar( $author_id ) ) {
		echo '<div class="meta-content has-avatar">';
		echo '<div class="author-avatar">' . get_avatar( $author_id ) . '</div>';
	} else {
		echo '<div class="meta-content">';
	}

  echo '<span class="byline">' . $byline . ' </span><span class="posted-on">' . $posted_on . ' </span>'; // WPCS: XSS OK.
 
  
  $categories_list = get_the_category_list( esc_html__( ', ', 'popper-child' ) );
  if ( $categories_list && popper_categorized_blog() ) {
    printf( '<span class="cat-links">' . esc_html__( 'Posted in %1$s', 'popper-child' ) . '</span>', $categories_list ); // WPCS: XSS OK.
  }


	if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
		echo '<span class="comments-link">';
		comments_popup_link( esc_html__( 'Leave a comment', 'popper-child' ), esc_html__( '1 Comment', 'popper-child' ), esc_html__( '% Comments', 'popper-child' ) );
		echo '</span>';
	}
	echo '</div><!-- .meta-content -->';

}


function popper_index_posted_on() {

	$author_id = get_the_author_meta( 'ID' );

	$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
	if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
		$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
	}

	$time_string = sprintf( $time_string,
		esc_attr( get_the_date( 'c' ) ),
		esc_html( get_the_date() ),
		esc_attr( get_the_modified_date( 'c' ) ),
		esc_html( get_the_modified_date() )
	);

	$posted_on = sprintf(
		esc_html_x( 'Published %s', 'post date', 'popper' ),
		'<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>'
	);

	$byline = sprintf(
		esc_html_x( 'by %s', 'post author', 'popper' ),
		'<span class="author vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '">' . esc_html( get_the_author() ) . '</a></span>'
	);

	echo '<div class="meta-content">';
  echo '<span class="byline">' . $byline . ' </span><span class="posted-on">' . $posted_on . ' </span>'; // WPCS: XSS OK.
  
  $categories_list = get_the_category_list( esc_html__( ', ', 'popper-child' ) );
  if ( $categories_list && popper_categorized_blog() ) {
    printf( '<span class="cat-links">' . esc_html__( 'Posted in %1$s', 'popper-child' ) . '</span>', $categories_list ); // WPCS: XSS OK.
  }


	if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
		echo '<span class="comments-link">';
		comments_popup_link( esc_html__( 'Leave a comment', 'popper' ), esc_html__( '1 Comment', 'popper' ), esc_html__( '% Comments', 'popper' ) );
		echo '</span>';
	}
	echo '</div><!-- .meta-content -->';

}

?>