File "deprecated.php"

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<?php
/**
 * Deprecated functions from past WordPress versions. You shouldn't use these
 * functions and look for the alternatives instead. The functions will be
 * removed in a later version.
 *
 * @package WordPress
 * @subpackage Deprecated
 */

/*
 * Deprecated functions come here to die.
 */

/**
 * Retrieves all post data for a given post.
 *
 * @since 0.71
 * @deprecated 1.5.1 Use get_post()
 * @see get_post()
 *
 * @param int $postid Post ID.
 * @return array Post data.
 */
function get_postdata($postid) {
	_deprecated_function( __FUNCTION__, '1.5.1', 'get_post()' );

	$post = get_post($postid);

	$postdata = array (
		'ID' => $post->ID,
		'Author_ID' => $post->post_author,
		'Date' => $post->post_date,
		'Content' => $post->post_content,
		'Excerpt' => $post->post_excerpt,
		'Title' => $post->post_title,
		'Category' => $post->post_category,
		'post_status' => $post->post_status,
		'comment_status' => $post->comment_status,
		'ping_status' => $post->ping_status,
		'post_password' => $post->post_password,
		'to_ping' => $post->to_ping,
		'pinged' => $post->pinged,
		'post_type' => $post->post_type,
		'post_name' => $post->post_name
	);

	return $postdata;
}

/**
 * Sets up the WordPress Loop.
 *
 * Use The Loop instead.
 *
 * @link https://developer.wordpress.org/themes/basics/the-loop/
 *
 * @since 1.0.1
 * @deprecated 1.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 */
function start_wp() {
	global $wp_query;

	_deprecated_function( __FUNCTION__, '1.5.0', __('new WordPress Loop') );

	// Since the old style loop is being used, advance the query iterator here.
	$wp_query->next_post();

	setup_postdata( get_post() );
}

/**
 * Returns or prints a category ID.
 *
 * @since 0.71
 * @deprecated 0.71 Use get_the_category()
 * @see get_the_category()
 *
 * @param bool $display Optional. Whether to display the output. Default true.
 * @return int Category ID.
 */
function the_category_ID($display = true) {
	_deprecated_function( __FUNCTION__, '0.71', 'get_the_category()' );

	// Grab the first cat in the list.
	$categories = get_the_category();
	$cat = $categories[0]->term_id;

	if ( $display )
		echo $cat;

	return $cat;
}

/**
 * Prints a category with optional text before and after.
 *
 * @since 0.71
 * @deprecated 0.71 Use get_the_category_by_ID()
 * @see get_the_category_by_ID()
 *
 * @param string $before Optional. Text to display before the category. Default empty.
 * @param string $after  Optional. Text to display after the category. Default empty.
 */
function the_category_head( $before = '', $after = '' ) {
	global $currentcat, $previouscat;

	_deprecated_function( __FUNCTION__, '0.71', 'get_the_category_by_ID()' );

	// Grab the first cat in the list.
	$categories = get_the_category();
	$currentcat = $categories[0]->category_id;
	if ( $currentcat != $previouscat ) {
		echo $before;
		echo get_the_category_by_ID($currentcat);
		echo $after;
		$previouscat = $currentcat;
	}
}

/**
 * Prints a link to the previous post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use previous_post_link()
 * @see previous_post_link()
 *
 * @param string $format
 * @param string $previous
 * @param string $title
 * @param string $in_same_cat
 * @param int    $limitprev
 * @param string $excluded_categories
 */
function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {

	_deprecated_function( __FUNCTION__, '2.0.0', 'previous_post_link()' );

	if ( empty($in_same_cat) || 'no' == $in_same_cat )
		$in_same_cat = false;
	else
		$in_same_cat = true;

	$post = get_previous_post($in_same_cat, $excluded_categories);

	if ( !$post )
		return;

	$string = '<a href="'.get_permalink($post->ID).'">'.$previous;
	if ( 'yes' == $title )
		$string .= apply_filters('the_title', $post->post_title, $post->ID);
	$string .= '</a>';
	$format = str_replace('%', $string, $format);
	echo $format;
}

/**
 * Prints link to the next post.
 *
 * @since 0.71
 * @deprecated 2.0.0 Use next_post_link()
 * @see next_post_link()
 *
 * @param string $format
 * @param string $ne