Ticket #28425: 28425.test.php

<?php
require 'wp-load.php';

function get_permalink_with_obj( $id = 0, $leavename = false ) {
        $rewritecode = array(
                '%year%',
                '%monthnum%',
                '%day%',
                '%hour%',
                '%minute%',
                '%second%',
                $leavename? '' : '%postname%',
                '%post_id%',
                '%category%',
                '%author%',
                $leavename? '' : '%pagename%',
        );

        if ( is_object($id) && isset($id->filter) && 'sample' == $id->filter ) {
                $post = $id;
                $sample = true;
        } else {
                $post = get_post($id);
                $sample = false;
        }

        if ( empty($post->ID) )
                return false;

        if ( $post->post_type == 'page' )
                return get_page_link($post, $leavename, $sample);
        elseif ( $post->post_type == 'attachment' )
                return get_attachment_link( $post->ID, $leavename );
        elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) )
                return get_post_permalink($post->ID, $leavename, $sample);

        $permalink = get_option('permalink_structure');

        /**
         * Filter the permalink structure for a post before token replacement occurs.
         *
         * Only applies to posts with post_type of 'post'.
         *
         * @since 3.0.0
         *
         * @param string  $permalink The site's permalink structure.
         * @param WP_Post $post      The post in question.
         * @param bool    $leavename Whether to keep the post name.
         */
        $permalink = apply_filters( 'pre_post_link', $permalink, $post, $leavename );

        if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending', 'auto-draft')) ) {
                $unixtime = strtotime($post->post_date);

                $category = '';
                if ( strpos($permalink, '%category%') !== false ) {
                        $cats = get_the_category($post->ID);
                        if ( $cats ) {
                                usort($cats, '_usort_terms_by_ID'); // order by ID

                                /**
                                 * Filter the category that gets used in the %category% permalink token.
                                 *
                                 * @since 3.5.0
                                 *
                                 * @param stdClass $cat  The category to use in the permalink.
                                 * @param array    $cats Array of all categories associated with the post.
                                 * @param WP_Post  $post The post in question.
                                 */
                                $category_object = apply_filters( 'post_link_category', $cats[0], $cats, $post );

                                $category_object = get_term( $category_object, 'category' );
                                $category = $category_object->slug;
                                if ( $parent = $category_object->parent )
                                        $category = get_category_parents($parent, false, '/', true) . $category;
                        }
                        // show default category in permalinks, without
                        // having to assign it explicitly
                        if ( empty($category) ) {
                                $default_category = get_term( get_option( 'default_category' ), 'category' );
                                $category = is_wp_error( $default_category ) ? '' : $default_category->slug;
                        }
                }

                $author = '';
                if ( strpos($permalink, '%author%') !== false ) {
                        $authordata = get_userdata($post->post_author);
                        $author = $authordata->user_nicename;
                }

                $date = explode(" ",date('Y m d H i s', $unixtime));
                $rewritereplace =
                array(
                        $date[0],
                        $date[1],
                        $date[2],
                        $date[3],
                        $date[4],
                        $date[5],
                        $post->post_name,
                        $post->ID,
                        $category,
                        $author,
                        $post->post_name,
                );
                $permalink = home_url( str_replace($rewritecode, $rewritereplace, $permalink) );
                $permalink = user_trailingslashit($permalink, 'single');
        } else { // if they're not using the fancy permalink option
                $permalink = home_url('?p=' . $post->ID);
        }

        /**
         * Filter the permalink for a post.
         *
         * Only applies to posts with post_type of 'post'.
         *
         * @since 1.5.0
         *
         * @param string  $permalink The post's permalink.
         * @param WP_Post $post      The post in question.
         * @param bool    $leavename Whether to keep the post name.
         */
        return apply_filters( 'post_link', $permalink, $post, $leavename );
}


$count = 100000;

$page = get_post( 2 );

timer_start();
for ( $i = 0; $i < $count; $i++ ) {
        $link = get_permalink( $page );
}
printf( 'get_permalink(): %s seconds<br />', timer_stop( 0, 3 ) );

timer_start();
for ( $i = 0; $i < $count; $i++ ) {
        $link = get_permalink_with_obj( $page );
}
printf( 'get_permalink_with_obj(): %s seconds<br />', timer_stop( 0, 3 ) );