1 files changed, 123 insertions, 0 deletions
diff --git a/inc/template-tags.php b/inc/template-tags.php
new file mode 100644
index 0000000..067155e
--- /dev/null
+++ b/inc/template-tags.php
@@ -0,0 +1,123 @@
+<?php
+/**
+ * Custom template tags for this theme.
+ *
+ * Eventually, some of the functionality here could be replaced by core features.
+ *
+ * @package understrap
+ */
+
+
+if ( ! function_exists( 'understrap_posted_on' ) ) :
+/**
+ * Prints HTML with meta information for the current post-date/time and author.
+ */
+function understrap_posted_on() {
+	$time_string = '<time class="entry-date published updated" datetime="%1$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( 'Posted on %s', 'post date', 'understrap' ),
+		'<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>'
+	);
+
+	$byline = sprintf(
+		esc_html_x( 'by %s', 'post author', 'understrap' ),
+		'<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 '<span class="posted-on">' . $posted_on . '</span><span class="byline"> ' . $byline . '</span>';
+
+}
+endif;
+
+if ( ! function_exists( 'understrap_entry_footer' ) ) :
+/**
+ * Prints HTML with meta information for the categories, tags and comments.
+ */
+function understrap_entry_footer() {
+	// Hide category and tag text for pages.
+	if ( 'post' == get_post_type() ) {
+		/* translators: used between list items, there is a space after the comma */
+		$categories_list = get_the_category_list( __( ', ', 'understrap' ) );
+		if ( $categories_list && understrap_categorized_blog() ) {
+			printf( '<span class="cat-links">' . __( 'Posted in %1$s', 'understrap' ) . '</span>', $categories_list );
+		}
+
+		/* translators: used between list items, there is a space after the comma */
+		$tags_list = get_the_tag_list( '', __( ', ', 'understrap' ) );
+		if ( $tags_list ) {
+			printf( '<span class="tags-links">' . __( 'Tagged %1$s', 'understrap' ) . '</span>', $tags_list );
+		}
+	}
+
+	if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
+		echo '<span class="comments-link">';
+		comments_popup_link( __( 'Leave a comment', 'understrap' ), __( '1 Comment', 'understrap' ), __( '% Comments', 'understrap' ) );
+		echo '</span>';
+	}
+
+		edit_post_link(
+		sprintf(
+			/* translators: %s: Name of current post */
+			esc_html__( 'Edit %s', 'understrap' ),
+			the_title( '<span class="screen-reader-text">"', '"</span>', false )
+		),
+		'<span class="edit-link">',
+		'</span>'
+	);
+}
+endif;
+
+/**
+ * Returns true if a blog has more than 1 category.
+ *
+ * @return bool
+ */
+function understrap_categorized_blog() {
+	if ( false === ( $all_the_cool_cats = get_transient( 'understrap_categories' ) ) ) {
+		// Create an array of all the categories that are attached to posts.
+		$all_the_cool_cats = get_categories( array(
+			'fields'     => 'ids',
+			'hide_empty' => 1,
+
+			// We only need to know if there is more than one category.
+			'number'     => 2,
+		) );
+
+		// Count the number of categories that are attached to the posts.
+		$all_the_cool_cats = count( $all_the_cool_cats );
+
+		set_transient( 'understrap_categories', $all_the_cool_cats );
+	}
+
+	if ( $all_the_cool_cats > 1 ) {
+		// This blog has more than 1 category so understrap_categorized_blog should return true.
+		return true;
+	} else {
+		// This blog has only 1 category so understrap_categorized_blog should return false.
+		return false;
+	}
+}
+
+/**
+ * Flush out the transients used in understrap_categorized_blog.
+ */
+function understrap_category_transient_flusher() {
+	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
+		return;
+	}
+	// Like, beat it. Dig?
+	delete_transient( 'understrap_categories' );
+}
+add_action( 'edit_category', 'understrap_category_transient_flusher' );
+add_action( 'save_post',     'understrap_category_transient_flusher' );