(PHP 4, PHP 5, PECL odbtp >= 1.1.1)
Get the length of a field
int mssql_field_length ( resource $result [, int $offset = -1 ] )
Returns the length of field no. offset
in result
.
Parameters:
result
The result resource that is being evaluated. This result comes from a call to mssql_query().
offset
The field offset, starts at 0. If omitted, the current field is used.
Returns:
The length of the specified field index on success or FALSE
on failure.
Notes:
Note to Windows Users
Due to a limitation in the underlying API used by PHP (MS DBLib C API), the length of VARCHAR fields is limited to 255. If you need to store more data, use a TEXT field instead.
Examples:
mssql_field_length() example
<?php // Connect to MSSQL and select the database mssql_connect('MANGO\SQLEXPRESS', 'sa', 'phpfi'); mssql_select_db('php'); // Send a select query to MSSQL $query = mssql_query('SELECT [name], [age] FROM [php].[dbo].[persons]'); // Print the field length echo 'The field \'age\' has a data length of ' . mssql_field_length($query, 1); // Free the query result mssql_free_result($query); ?>
The above example will output something similar to:
The field 'age' has a data length of 4
See also:
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