Filter hook 'do_mu_upgrade'

Hook Information

Hook Parameters

Usage Examples

<?php
// Hook into do_mu_upgrade
add_filter('do_mu_upgrade', 'my_custom_filter', 10, 1);

function my_custom_filter($do_mu_upgrade) {
    // Your custom filtering logic here
    return $do_mu_upgrade;
}

Source Code Context

<?php
  69  	 *
  70  	 * @since MU (3.0.0)
  71  	 *
  72  	 * @param bool $do_mu_upgrade Whether to perform the Multisite upgrade routine. Default true.
  73  	 */
  74  	if ( apply_filters( 'do_mu_upgrade', true ) ) {
  75  		$c = get_blog_count();
  76  
  77  		/*
  78  		 * If there are 50 or fewer sites, run every time. Otherwise, throttle to reduce load:
  79  		 * attempt to do no more than threshold value, with some +/- allowed.

PHP Documentation

<?php
/**
	 * Filters whether to attempt to perform the multisite DB upgrade routine.
	 *
	 * In single site, the user would be redirected to wp-admin/upgrade.php.
	 * In multisite, the DB upgrade routine is automatically fired, but only
	 * when this filter returns true.
	 *
	 * If the network is 50 sites or less, it will run every time. Otherwise,
	 * it will throttle itself to reduce load.
	 *
	 * @since MU (3.0.0)
	 *
	 * @param bool $do_mu_upgrade Whether to perform the Multisite upgrade routine. Default true.
	 */