php sql result length
$result = mysql_query("SELECT * FROM table"); $rows = mysql_num_rows($result); echo "There are " . $rows . " rows in my table.";.,For unbuffered result sets, mysqli_num_rows() will not return the correct number of rows until ... Procedural style only: A result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result(). .... public $lengths => NULL
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 php sql result length 相關參考資料
Get a length of a php's result - Stack Overflow
To count the number of characters in a json you can do: $string = json_encode($result, JSON_UNESCAPED_UNICODE); $length ... https://stackoverflow.com MySQL - count total number of rows in php - Stack Overflow
$result = mysql_query("SELECT * FROM table"); $rows = mysql_num_rows($result); echo "There are " . $rows . " rows in my table.";. https://stackoverflow.com mysqli_result::$num_rows - Manual - PHP
For unbuffered result sets, mysqli_num_rows() will not return the correct number of rows until ... Procedural style only: A result set identifier returned by mysqli_query(), mysqli_store_result() or m... https://www.php.net mysql_fetch_lengths - Manual - PHP
mysql_fetch_lengths — Get the length of each output in a result. Warning. This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. https://www.php.net PHP mysqli_num_rows() Function - W3Schools
if ($result=mysqli_query($con,$sql)) // Return the number of rows in result set $rowcount=mysqli_num_rows($result); printf("Result set has %d rows. https://www.w3schools.com PHP: mysql_num_rows - Manual - PHP.net
See Also ¶ mysql_affected_rows() - Get number of affected rows in previous MySQL operation. mysql_connect() - Open a connection to a MySQL Server. mysql_data_seek() - Move internal result pointer. my... https://www.php.net PHP: PDOStatement::rowCount - Manual - PHP.net
If the last SQL statement executed by the associated PDOStatement was a .... only part of result set (via LIMIT) but still get the total row count. code: <?php https://www.php.net |