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mysqli_stmt::$field_count

mysqli_stmt_field_count

(PHP 5, PHP 7, PHP 8)

mysqli_stmt::$field_count -- mysqli_stmt_field_count — Returns the number of columns in the given statement

Açıklama

Nesne yönelimli kullanım

int $mysqli_stmt->field_count;

Yordamsal kullanım

mysqli_stmt_field_count(mysqli_stmt $statement): int

Returns the number of columns in the prepared statement.

Bağımsız Değişkenler

deyim

Sadece yordamsal tarz: mysqli_stmt_init() işlevinden dönen bir mysqli_stmt nesnesi.

Dönen Değerler

Returns an integer representing the number of columns.

Örnekler

Örnek 1 Nesne yönelimli kullanım

<?php

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

$code = 'FR';

$stmt = $mysqli->prepare("SELECT Name FROM Country WHERE Code=?");
$stmt->bind_param('s', $code);
$stmt->execute();
$row = $stmt->get_result()->fetch_row();
for ($i = 0; $i < $stmt->field_count; $i++) {
printf("Value of column number %d is %s", $i, $row[$i]);
}

Örnek 2 Yordamsal kullanım

<?php

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

$code = 'FR';

$stmt = mysqli_prepare($mysqli, "SELECT Name FROM Country WHERE Code=?");
mysqli_stmt_bind_param($stmt, 's', $code);
mysqli_stmt_execute($stmt);
$result = mysqli_stmt_get_result($stmt);
$row = mysqli_fetch_row($result);
for ($i = 0; $i < mysqli_stmt_field_count($stmt); $i++) {
printf("Value of column number %d is %s", $i, $row[$i]);
}

The above examples will output something similar to:

Value of column number 0 is France

Ayrıca Bakınız