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? ??? ?? PHP ???? PHP? ???? MySQL ???? ? ?? ????? ???? ??? ??????

PHP? ???? MySQL ???? ? ?? ????? ???? ??? ??????

Dec 06, 2024 am 12:48 AM

How to Efficiently Retrieve the Row Count of a MySQL Table Using PHP?

PHP? ????? ???? MySQL ???? ? ?? ???? ??

MySQL ??? ? ???? ? ? ?? ????? ???. ?? $count? ????. ?? ????? "Array"?? ??? ?? ?????.

?? ??? mysqli_fetch_assoc($result)? ???? ??? ?? ???? ????. ?? ???? ? ?? ??? ??? ????.

  1. ? ?? ??:
$sql = "SELECT COUNT(*) AS cnt FROM news";
$result = mysqli_query($con, $sql);
$count = mysqli_fetch_assoc($result)['cnt'];
  1. ?? ?? ??:
$sql = "SELECT COUNT(*) FROM news";
$result = mysqli_query($con, $sql);
$count = mysqli_fetch_row($result)[0];
  1. PHP 8.1 ??:
$sql = "SELECT COUNT(*) FROM news";
$result = mysqli_query($con, $sql);
$count = mysqli_fetch_column($result);

?? OOP? ??? ?? ????. (?? ?? ?????) ? ???? ?? ?? ??? ?? ????. ??? OOP ??:

$sql = "SELECT COUNT(*) FROM news";
$count = $con->query($sql)->fetch_row()[0];

??? ??? ??? ?? ??? ?? ??? ? ????.

$sql = "SELECT COUNT(*) FROM news WHERE category=?";
$stmt = $con->prepare($sql);
$stmt->bind_param('s', $category);
$stmt->execute();
$count = $stmt->get_result()->fetch_row()[0];

? ??? PHP? ???? MySQL ???? ? ?? ????? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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