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_maybe_update_core() WP 2.8.0

Determines whether core should be updated.

This is an internal function for using it by WP core itself. It's not recommended to use this function in your code.

No Hooks.

Return

null. Null. Nothing.

Usage

_maybe_update_core();

Notes

  • Global. String. $wp_version The WordPress version string.

Changelog

Since 2.8.0 Introduced.

Code of _maybe_update_core() WP 5.7

wp-includes/update.php 
<?php
function _maybe_update_core() {
	// Include an unmodified $wp_version.
	require ABSPATH . WPINC . '/version.php';

	$current = get_site_transient( 'update_core' );

	if ( isset( $current->last_checked, $current->version_checked )
		&& 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked )
		&& $current->version_checked === $wp_version
	) {
		return;
	}

	wp_version_check();
}