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mysqli_stmt::bind_result

mysqli_stmt_bind_result

(PHP 5, PHP 7, PHP 8)

mysqli_stmt::bind_result -- mysqli_stmt_bind_result — Binds variables to a prepared statement for result storage

Опис

Об'єктно-орієнтований стиль

public mysqli_stmt::bind_result(mixed &$var, mixed &...$vars): bool

Процедурний стиль

mysqli_stmt_bind_result(mysqli_stmt $statement, mixed &$var, mixed &...$vars): bool

Binds columns in the result set to variables.

When mysqli_stmt_fetch() is called to fetch data, the MySQL client/server protocol places the data for the bound columns into the specified variables var/vars.

A column can be bound or rebound at any time, even after a result set has been partially retrieved. The new binding takes effect the next time mysqli_stmt_fetch() is called.

Зауваження:

All columns must be bound after mysqli_stmt_execute() and prior to calling mysqli_stmt_fetch().

Зауваження:

Depending on column types bound variables can silently change to the corresponding PHP type.

Підказка

This function is useful for simple results. To retrieve iterable result set, or fetch each row as an array or object, use mysqli_stmt_get_result().

Параметри

statement

Тільки процедурний стиль: об'єкт mysqli_stmt, якого повертає функція mysqli_stmt_init().

var

The first variable to be bound.

vars

Further variables to be bound.

Значення, що повертаються

Повертає true у разі успіху або false в разі помилки.

Приклади

Приклад #1 Об'єктно-орієнтований стиль

<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

/* prepare statement */
$stmt = $mysqli->prepare("SELECT Code, Name FROM Country ORDER BY Name LIMIT 5");
$stmt->execute();

/* bind variables to prepared statement */
$stmt->bind_result($col1, $col2);

/* fetch values */
while ($stmt->fetch()) {
printf("%s %s\n", $col1, $col2);
}

Приклад #2 Процедурний стиль

<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

/* prepare statement */
$stmt = mysqli_prepare($link, "SELECT Code, Name FROM Country ORDER BY Name LIMIT 5");
mysqli_stmt_execute($stmt);

/* bind variables to prepared statement */
mysqli_stmt_bind_result($stmt, $col1, $col2);

/* fetch values */
while (mysqli_stmt_fetch($stmt)) {
printf("%s %s\n", $col1, $col2);
}

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