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wpdb::check_database_version()

wpdb::check_database_version(): void|WP_Error

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

Return

void|WP_Error

Source

public function check_database_version() {
	global $wp_version, $required_mysql_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 ) );
	}
}

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UsesDescription
wpdb::db_version()wp-includes/class-wpdb.php

Retrieves the database server version.

__()wp-includes/l10n.php

Retrieves the translation of $text.

WP_Error::__construct()wp-includes/class-wp-error.php

Initializes the error.

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Used byDescription
wp_check_mysql_version()wp-admin/includes/upgrade.php

Checks the version of the installed MySQL binary.

Changelog

VersionDescription
2.5.0Introduced.

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