The mysql_field_len() function is used to get the length of the specific field.
PHP mysql_field_len() Function Example:
The mysql_field_len() function is used to get the length of the specific field. The mysql_field_len() function return length of the specified field. It return length on success or false for failure.
Example:
<?php $connection = mysql_connect("localhost","root","root"); if (!$connection) { die('PHP Mysql database connection could not connect : ' . mysql_error()); } else{ mysql_select_db("php_mysql", $connection); $sql = "SELECT * from user"; $result = mysql_query($sql, $connection); $length = mysql_field_len($result, 2); echo $length; } mysql_close($connection); ?>
In this example we have used mysql_field_len() function that have two parameters first is record set and other is field to start returning.
The database 'user' table fields is:
After running this example the output display by the browser like:
Output:
50
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