Checks to see if the theme is already installed.

Parameters

$themestdClassrequired

A WordPress.org Theme API object.

Return

Source

private function _get_theme_status( $theme ) {
	$status = 'install';

	$installed_theme = wp_get_theme( $theme->slug );
	if ( $installed_theme->exists() ) {
		if ( version_compare( $installed_theme->get( 'Version' ), $theme->version, '=' ) ) {
			$status = 'latest_installed';
		} elseif ( version_compare( $installed_theme->get( 'Version' ), $theme->version, '>' ) ) {
			$status = 'newer_installed';
		} else {
			$status = 'update_available';
		}
	}

	return $status;
}

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