Fatal error: Call to a member function prepare() on a non-object in(致命错误:在非对象上调用成员函数 prepare())

Fatal error: Call to undefined method mysqli_stmt::get_result()(致命错误:调用未定义的方法 mysqli_stmt::get_result())

mysqli prepared statement num_rows returns 0 while query returns greater than 0(mysqli 准备好的语句 num_rows 返回 0 而查询返回大于 0)

Which is fastest in PHP- MySQL or MySQLi?(PHP-MySQL 或 MySQLi 中哪个最快?)

Set character set using MySQLi(使用 MySQLi 设置字符集)

What is the difference between get_result() and store_result() in php?(php 中的 get_result() 和 store_result() 有什么区别?)

Fetching one row only with MySQLi(仅使用 MySQLi 获取一行)

PHP: mysql v mysqli v pdo(PHP: mysql v mysqli v pdo)

Cannot figure out how to run a mysqli_multi_query and use the results from the last query(无法弄清楚如何运行 mysqli_multi_query 并使用上次查询的结果)

Use PHP to Display MySQL Results in HTML Table(使用 PHP 在 HTML 表格中显示 MySQL 结果)

How do I ensure I caught all errors from MySQLi::multi_query?(如何确保我从 MySQLi::multi_query 中捕获到所有错误?)

Is it possible to use mysqli_fetch_object with a prepared statement(是否可以将 mysqli_fetch_object 与准备好的语句一起使用)

Properly Escaping with MySQLI | query over prepared statements(使用 MySQLI 正确转义 |查询准备好的语句)

Do I need to escape my variables if I use MySQLi prepared statements?(如果我使用 MySQLi 准备好的语句，是否需要转义我的变量?)

prepared statements - are they necessary(准备好的陈述 - 它们是否必要)

INSERT query produces quot;Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean givenquot;(INSERT 查询产生“警告:mysqli_num_rows() 期望参数 1 为 mysqli_result，给出布尔值；)

Warning: mysqli_query() expects at least 2 parameters, 1 given. What?(警告:mysqli_query() 需要至少 2 个参数，1 个给定.什么?)

warning problem: expects parameter 1 to be mysqli_result(警告问题:期望参数 1 为 mysqli_result)

Using fetch_assoc on prepared statements (php mysqli)(在准备好的语句上使用 fetch_assoc (php mysqli))

mysqli_stmt_get_result alternative for php 5.2.6(php 5.2.6 的 mysqli_stmt_get_result 替代方案)