wpdb::check_database_version │ public │ WP 2.5.0

Determines whether MySQL database is at least the required minimum version.

Method of the class: wpdb{}

No Hooks.

Returns

null|WP_Error.

Usage

global $wpdb;
$wpdb->check_database_version();

Notes

  • Global. String. $required_mysql_version The required MySQL version string.

Changelog

Since 2.5.0 Introduced.

wpdb::check_database_version() code WP 6.8.1

wp-includes/class-wpdb.php 
public function check_database_version() {
	global $required_mysql_version;
	$wp_version = wp_get_wp_version();

	// Make sure the server has the required MySQL version.
	if ( version_compare( $this->db_version(), $required_mysql_version, '<' ) ) {
		/* translators: 1: WordPress version number, 2: Minimum required MySQL version number. */
		return new WP_Error( 'database_version', sprintf( __( '<strong>Error:</strong> WordPress %1$s requires MySQL %2$s or higher' ), $wp_version, $required_mysql_version ) );
	}
}