Automattic / jetpack

	CURLOPT_COOKIEJAR  => $cookie_jar_file, // write cookies

	CURLOPT_RETURNTRANSFER => true,

	CURLOPT_HEADER => false,

	CURLOPT_HEADERFUNCTION => function( $curl, $header_line ) use ( &$login_error ) {

		if ( preg_match( '/_gp_notice_error=/', $header_line, $matches ) ) {

			$login_error = true;

		}

		return strlen( $header_line );

	},

) );

curl_exec( $login );

		),

		CURLOPT_RETURNTRANSFER => true,

		CURLOPT_HEADER => false,

		CURLOPT_HEADERFUNCTION => function( $curl, $header_line ) use ( &$translations_added ) {

			if ( preg_match( '/_gp_notice_notice=(\d+)/', $header_line, $matches ) ) {

				$translations_added = (int) $matches[1];

			}

			return strlen( $header_line );

		},

	) );

	curl_exec( $import );