wp-missed-schedule-posts.php

<?php
/**
 * Plugin Name: WP Missed Schedule Posts
 * Description: Auto publish future post missed by WordPress cron
 * Author: newvariable
 * Contributors: newvariable,wp3sixty,sanketparmar,divyarajmasani,shaileesheth
 * Author URI: https://newvariable.com
 * Version: 1.1
 * License: GPLv2 or later
 * Text Domain: nv-wpmsp
 * License URI: http://www.gnu.org/licenses/gpl-2.0.html
 *
 * @package Wp_Missed_Schedule_Posts
 **/

// bail of not WordPress path.
if ( false === defined( 'ABSPATH' ) ) {
	return;
}
// plugin basename for further refrence.
$nv_wpms_base_name = plugin_basename( __FILE__ );

// Set default check interval - every 10 min.
if ( false === defined( 'WPMSP_INTERVAL' ) ) {
	define( 'WPMSP_INTERVAL', 15 * MINUTE_IN_SECONDS );
}
// Set post limit.
if ( false === defined( 'WPMSP_POST_LIMIT' ) ) {
	define( 'WPMSP_POST_LIMIT', 20 );
}

// Hook into WordPress.
add_action( 'init', 'nv_wpmsp_init', 0 );

// Plugin Actions.
add_filter( 'plugin_action_links_' . $nv_wpms_base_name, 'nv_wpmsp_plugin_activation_link', 10, 1 );
add_filter( 'plugin_row_meta', 'nv_wpmsp_plugin_row_meta', 10, 2 );

/**
 * Check timestamp from transient and published all missed posts
 */
function nv_wpmsp_init() {
	$last_scheduled_missed_time = get_transient( 'wp_scheduled_missed_time' );

	$time = current_time( 'timestamp', 0 );

	if ( false !== $last_scheduled_missed_time && absint( $last_scheduled_missed_time ) > ( $time - WPMSP_INTERVAL ) ) {
		return;
	}

	set_transient( 'wp_scheduled_missed_time', $time, WPMSP_INTERVAL );

	global $wpdb;

	$scheduled_post_ids = $wpdb->get_col(
		$wpdb->prepare(
			"SELECT ID FROM {$wpdb->posts} WHERE ( ( post_date > 0 && post_date <= %s ) ) AND post_status = 'future' LIMIT 0,%d",
			current_time( 'mysql', 0 ),
			WPMSP_POST_LIMIT
		)
	);

	if ( ! count( $scheduled_post_ids ) ) {
		return;
	}

	foreach ( $scheduled_post_ids as $scheduled_post_id ) {
		if ( ! $scheduled_post_id ) {
			continue;
		}

		wp_publish_post( $scheduled_post_id );
	}
}

/**
 * Add plugin activation link
 *
 * @param array $links Plugin links.
 *
 * @return array
 */
function nv_wpmsp_plugin_activation_link( $links ) {
	$links[] = '<a href="edit.php?post_status=future&post_type=post">' . esc_html__( 'Miss', 'nv-wpmsp' ) . '</a>';

	return $links;
}

/**
 * Add link in plugin row meta
 *
 * @param array  $links Plugin links.
 * @param string $file Plugin file path.
 *
 * @return array
 */
function nv_wpmsp_plugin_row_meta( $links, $file ) {
	if ( false === is_admin() ) {
		return;
	}

	if ( false === current_user_can( 'administrator' ) ) {
		return;
	}

	if ( plugin_basename( __FILE__ ) === $file ) {
		$links[] = '<a href="https://newvariable.com/contact/">' . esc_html__( 'Contact', 'nv-wpmsp' ) . '</a>';
	}

	return $links;
}