WordPress Server-Side Cron Replacement

wp-cron.sh

#!/usr/bin/env bash

# hold the primary WP CLI command
WP_CLI="wp --allow-root --path="

# hold the starting path
_PATH=/home/*/htdocs/*

# loop over our home directory for the htdocs folder...
for d in $_PATH; do
    
    # now hold the formatted command
    CMD=$WP_CLI$d/;

    # check if this site is indeed a wordpress website
    if $CMD core is-installed 2>/dev/null; then

        # check if the site is a network 
        if $CMD core is-installed --network 2>/dev/null; then

            # get the networks list of uri's
            _uris=$( $CMD site list --field=url )

            # loop over the sites
            for _uri in $_uris; do
                
                # fire off the sites cron
                $CMD cron event run --all --due-now --url="$_uri" & 

            done;

        # otherwise, we aren't in a network
        else
            
            # get the site's uri
            _uri=$( $CMD option get siteurl );
            
            # fire off the sites cron
            $CMD cron event run --all --due-now --url="$_uri" & 

        fi;

    fi;
    
done;