get_page_by_path()

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get_page_by_path( string $page_pathstring $output = OBJECTstring|array $post_type = ‘page’ )

Retrieves a page given its path.

Parameters Parameters

$page_path

(string) (Required) Page path.

$output

(string) (Optional) The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which correspond to a WP_Post object, an associative array, or a numeric array, respectively.

Default value: OBJECT

$post_type

(string|array) (Optional) Post type or array of post types.

Default value: ‘page’


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Return Return

(WP_Post|array|null) WP_Post (or array) on success, or null on failure.


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Source Source

File: wp-includes/post.php

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function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
    global $wpdb;
 
    $last_changed = wp_cache_get_last_changed( 'posts' );
 
    $hash      = md5( $page_path . serialize( $post_type ) );
    $cache_key = "get_page_by_path:$hash:$last_changed";
    $cached    = wp_cache_get( $cache_key, 'posts' );
    if ( false !== $cached ) {
        // Special case: '0' is a bad `$page_path`.
        if ( '0' === $cached || 0 === $cached ) {
            return;
        } else {
            return get_post( $cached, $output );
        }
    }
 
    $page_path     = rawurlencode( urldecode( $page_path ) );
    $page_path     = str_replace( '%2F', '/', $page_path );
    $page_path     = str_replace( '%20', ' ', $page_path );
    $parts         = explode( '/', trim( $page_path, '/' ) );
    $parts         = array_map( 'sanitize_title_for_query', $parts );
    $escaped_parts = esc_sql( $parts );
 
    $in_string = "'" . implode( "','", $escaped_parts ) . "'";
 
    if ( is_array( $post_type ) ) {
        $post_types = $post_type;
    } else {
        $post_types = array( $post_type, 'attachment' );
    }
 
    $post_types          = esc_sql( $post_types );
    $post_type_in_string = "'" . implode( "','", $post_types ) . "'";
    $sql                 = "
        SELECT ID, post_name, post_parent, post_type
        FROM $wpdb->posts
        WHERE post_name IN ($in_string)
        AND post_type IN ($post_type_in_string)
    ";
 
    $pages = $wpdb->get_results( $sql, OBJECT_K );
 
    $revparts = array_reverse( $parts );
 
    $foundid = 0;
    foreach ( (array) $pages as $page ) {
        if ( $page->post_name == $revparts[0] ) {
            $count = 0;
            $p     = $page;
 
            /*
             * Loop through the given path parts from right to left,
             * ensuring each matches the post ancestry.
             */
            while ( 0 != $p->post_parent && isset( $pages[ $p->post_parent ] ) ) {
                $count++;
                $parent = $pages[ $p->post_parent ];
                if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) {
                    break;
                }
                $p = $parent;
            }
 
            if ( 0 == $p->post_parent && count( $revparts ) == $count + 1 && $p->post_name == $revparts[ $count ] ) {
                $foundid = $page->ID;
                if ( $page->post_type == $post_type ) {
                    break;
                }
            }
        }
    }
 
    // We cache misses as well as hits.
    wp_cache_set( $cache_key, $foundid, 'posts' );
 
    if ( $foundid ) {
        return get_post( $foundid, $output );
    }
}


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Changelog Changelog

Changelog
Version Description
2.1.0 Introduced.
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