Defined (1)

The function is defined in the following location(s).

/wp-includes/link-template.php  

function get_permalink( $post = 0, $leavename = false ) { 
    $rewritecode = array( 
        '%year%',  
        '%monthnum%',  
        '%day%',  
        '%hour%',  
        '%minute%',  
        '%second%',  
        $leavename? '' : '%postname%',  
        '%post_id%',  
        '%category%',  
        '%author%',  
        $leavename? '' : '%pagename%',  
 ); 
 
    if ( is_object( $post ) && isset( $post->filter ) && 'sample' == $post->filter ) { 
        $sample = true; 
    } else { 
        $post = get_post( $post ); 
        $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, $leavename ); 
    elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) ) 
        return get_post_permalink($post, $leavename, $sample); 
 
    $permalink = get_option('permalink_structure'); 
 
    /** 
     * Filters 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', 'future' ) ) ) { 
        $unixtime = strtotime($post->post_date); 
 
        $category = ''; 
        if ( strpos($permalink, '%category%') !== false ) { 
            $cats = get_the_category($post->ID); 
            if ( $cats ) { 
                $cats = wp_list_sort( $cats, array( 
                    'term_id' => 'ASC',  
 ) ); 
 
                /** 
                 * Filters the category that gets used in the %category% permalink token. 
                 * 
                 * @since 3.5.0 
                 * 
                 * @param WP_Term  $cat  The category to use in the permalink. 
                 * @param array    $cats Array of all categories (WP_Term objects) 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' ); 
                if ( $default_category && ! is_wp_error( $default_category ) ) { 
                    $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); 
    } 
 
    /** 
     * Filters 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 ); 
}