wp_check_post_lock( int|WP_Post $post_id )

Determines whether the post is currently being edited by another user.


Parameters

$post_id

(int|WP_Post) (Required) ID or object of the post to check for editing.


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Return

(int|false) ID of the user with lock. False if the post does not exist, post is not locked, the user with lock does not exist, or the post is locked by current user.


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Source

File: wp-admin/includes/post.php

function wp_check_post_lock( $post_id ) {
	$post = get_post( $post_id );
	if ( ! $post ) {
		return false;
	}

	$lock = get_post_meta( $post->ID, '_edit_lock', true );
	if ( ! $lock ) {
		return false;
	}

	$lock = explode( ':', $lock );
	$time = $lock[0];
	$user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );

	if ( ! get_userdata( $user ) ) {
		return false;
	}

	/** This filter is documented in wp-admin/includes/ajax-actions.php */
	$time_window = apply_filters( 'wp_check_post_lock_window', 150 );

	if ( $time && $time > time() - $time_window && get_current_user_id() != $user ) {
		return $user;
	}

	return false;
}


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Changelog

Changelog
Version Description
2.5.0 Introduced.

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