_wp_get_post_revision_version

Gets the post revision version.

Description

(int|false) _wp_get_post_revision_version( (WP_Post) $revision );

Returns (int|false)

Parameters (1)

0. $revision (WP_Post): The revision.

Usage

if ( !function_exists( '_wp_get_post_revision_version' ) ) { 
    require_once ABSPATH . WPINC . '/revision.php'; 
} 
  
// The revision. 
$revision = null; 
  
// NOTICE! Understand what this does before running. 
$result = _wp_get_post_revision_version($revision);

Defined (1)

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

/wp-includes/revision.php

function _wp_get_post_revision_version( $revision ) { 
    if ( is_object( $revision ) ) 
        $revision = get_object_vars( $revision ); 
    elseif ( !is_array( $revision ) ) 
        return false; 
 
    if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) ) 
        return (int) $matches[1]; 
 
    return 0; 
}