Podręcznik PHP
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# mysqli_prepare

(PHP 5 CVS only)

mysqli_prepare

(no version information, might be only in CVS)

stmt->prepare -- Prepare a SQL statement for execution

## Description

Procedure style:

mixed mysqli_prepare ( object link, string query)

Object oriented style (method)

class stmt {
mixed prepare ( string query)
}

mysqli_prepare() prepares the SQL query pointed to by the null-terminated string query, and returns a statement handle to be used for further operations on the statement. The query must consist of a single SQL statement.

> Notatka: You should not add a terminating semicolon or `\g` to the statement.

The parameter `query` can include one or more parameter markers in the SQL statement by embedding question mark (`?`) characters at the appropriate positions.

> Notatka: The markers are legal only in certain places in SQL statements. For example, they are allowed in the VALUES() list of an INSERT statement (to specify column values for a row), or in a comparison with a column in a WHERE clause to specify a comparison value.

> However, they are not allowed for identifiers (such as table or column names), in the select list that names the columns to be returned by a SELECT statement), or to specify both operands of a binary operator such as the `=` equal sign. The latter restriction is necessary because it would be impossible to determine the parameter type. In general, parameters are legal only in Data Manipulation Languange (DML) statements, and not in Data Defination Language (DDL) statements.

The parameter markers must be bound to application variables using mysqli_bind_param() and/or mysqli_bind_result() before executing the statement or fetching rows.

## Zwracane wartości

mysqli_prepare() returns a statement object or `FALSE` if an error occured.

## Zobacz również

mysqli_execute() mysqli_fetch() mysqli_bind_param() mysqli_bind_result() mysqli_stmt_close()

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mysqli_ping | Początek rozdziału | mysqli_query