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Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : /home1/savoy/public_html/wp-content/themes/Divi/includes/builder/post/PostStack.php |
<?php
/**
* Provide utilities to interact and replace the current post akin to setup_postdata()
* but in a stacking manner.
*
* @since 4.0
*/
class ET_Post_Stack {
/**
* Post override stack.
*
* @var (WP_Post|null)[]
*/
protected static $stack = array();
/**
* Get the top post from the stack or the current one if the stack is empty.
*
* @since 4.0
*
* @param integer $offset Offset from the end of the array, 0 being the last post. Use negative integers.
*
* @return WP_Post|null
*/
public static function get( $offset = 0 ) {
global $post;
$index = count( self::$stack ) - 1 + $offset;
if ( empty( self::$stack ) && 0 === $index ) {
return $post;
}
return isset( self::$stack[ $index ] ) ? self::$stack[ $index ] : null;
}
/**
* Pop the top post off of the stack.
*
* @since 4.0
*
* @return void
*/
public static function pop() {
array_pop( self::$stack );
}
/**
* Setup a post as the global $post.
*
* @since 4.0
*
* @param WP_Post|null $with
* @param boolean $force
*
* @return void
*/
protected static function setup( $with, $force = false ) {
global $post;
if ( $force || ! ( $with && $post && $with->ID === $post->ID ) ) {
$post = $with;
setup_postdata( $post );
}
}
/**
* Equivalent to setup_postdata() but keeps a stack of posts so it can be nested.
* Pushes the specified post on the stack.
*
* @since 4.0
*
* @param WP_Post $with
*
* @return void
*/
public static function replace( $with ) {
global $post;
$force = empty( self::$stack );
if ( empty( self::$stack ) ) {
// Add the current post as the first in the stack even if it does not exist.
self::$stack[] = $post;
}
self::$stack[] = $with;
self::setup( $with, $force );
}
/**
* Restores the last post from the stack.
* The final restore will setup the post that was setup when the stack was last empty.
*
* @since 4.0
*
* @return void
*/
public static function restore() {
self::pop();
self::reset();
}
/**
* Resets the post to the one at the top of the stack.
*
* @since 4.0
*
* @return void
*/
public static function reset() {
if ( ! empty( self::$stack ) ) {
self::setup( self::get() );
}
}
/**
* Returns the $post for the current true WordPress query post ignoring any posts that may be
* forced using setup_postdata().
*
* @since 4.0
*
* @return WP_Post|null
*/
public static function get_main_post() {
global $wp_query;
if ( ! $wp_query || 0 === $wp_query->post_count ) {
// Handle special case where there is no current post but once the_content()
// gets called the global $post is polluted and will no longer reset to null.
return null;
}
if ( empty( $wp_query->post ) ) {
return null;
}
return $wp_query->post;
}
/**
* Returns the post ID for the current true WordPress query post.
* See ::get_main_post() for more information.
*
* @since 4.0
*
* @return integer
*/
public static function get_main_post_id() {
$post = self::get_main_post();
return $post ? (int) $post->ID : 0;
}
}