mysqli_result::fetch_column

    mysqli_fetch_column

    (PHP 8 >= 8.1.0)

    mysqli_result::fetch_column -- mysqli_fetch_column — Fetch a single column from the next row of a result set

    Açıklama

    Nesne yönelimli kullanım

    publicmysqli_result::fetch_column(int$column = 0): null|int|float|string|false

    Yordamsal kullanım

    mysqli_fetch_column(mysqli_result$result, int$column = 0): null|int|float|string|false

    Fetches one row of data from the result set and returns the 0-indexed column. Each subsequent call to this function will return the value from the next row within the result set, or false if there are no more rows.

    Bilginize: Bu işlev NULL alanlara PHP null değerini atar.

    Bağımsız Değişkenler

    sonuç

    Sadece yordamsal tarz: mysqli_query(), mysqli_store_result(), mysqli_use_result() veya mysqli_stmt_get_result() işlevinden dönen bir mysqli_result nesnesi.

    column

    0-indexed number of the column you wish to retrieve from the row. If no value is supplied, the first column will be returned.

    Dönen Değerler

    Returns a single column from the next row of a result set or false if there are no more rows.

    Uyarı

    There is no way to return another column from the same row if you use this function to retrieve data.

    Örnekler

    Örnek 1 mysqli_result::fetch_column() example

    Nesne yönelimli kullanım

    <?php

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

    $query = "SELECT CountryCode, Name FROM City ORDER BY ID DESC LIMIT 5";

    $result = $mysqli->query($query);


    while ($Name = $result->fetch_column(1)) {
    printf("%s\n", $Name);
    }

    Yordamsal kullanım

    <?php

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

    $query = "SELECT CountryCode, Name FROM City ORDER BY ID DESC LIMIT 5";

    $result = mysqli_query($mysqli, $query);


    while ($Name = mysqli_fetch_column($result, 1)) {
    printf("%s\n", $Name);
    }

    The above examples will output something similar to:

    Rafah Nablus Jabaliya Hebron Khan Yunis

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