1. 
PHP: mysqli_stmt::bind_result – Manual
www.php.net/manual/en/mysqli-stmt.bind-result.php
2.
PHP mysqli_stmt_bind_result() Function – Tutorialspoint
www.tutorialspoint.com/php/php_function_mysqli_stmt_bind_result.htm
3. 
mysqli_stmt_bind_result – Potsdam
www.cs.potsdam.edu/Documentation/php/html/function.mysqli-stmt-bind-result.html
4.
MySQL :: MySQL PHP API :: 3.9.5 mysqli_stmt::bind_result …
dev.mysql.com/doc/apis-php/en/apis-php-mysqli-stmt.bind-result.html
5.
3.9.5 mysqli_stmt::bind_result, mysqli_stmt_bind_result
docs.oracle.com/cd/E17952_01/apis-php-en/apis-php-mysqli-stmt.bind-result.html
6.
PHP Manual: mysqli_stmt_bind_result – PHP IDE
www.nusphere.com/kb/phpmanual/function.mysqli-stmt-bind-result.htm
7.
PHP mysqli_stmt bind_result() Method – AlphaCodingSkills
www.alphacodingskills.com/php/notes/php-mysqli-stmt-bind-result.php
8.
php – mysqli_stmt_bind_result not returning a value …
stackoverflow.com/questions/43879976/mysqli-stmt-bind-result-not-returning-a-value
9.
php – Mysqli – Bind results to an Array – Stack Overflow
stackoverflow.com/questions/24363755/mysqli-bind-results-to-an-array
10.
PHP mysqli_stmt_get_result() Function – Tutorialspoint
www.tutorialspoint.com/php/php_function_mysqli_stmt_get_result.htm
11.
PHP: mysqli_stmt::get_result – Manual
www.php.net/manual/en/mysqli-stmt.get-result.php
Conclusion
Guide above should be useful for Mysqli_stmt_bind_result.