mysql_fetch_lengths() fetches the length of each field for the last row of data retrieved by mysql_fetch_array() , mysql_fetch_assoc() , mysql_fetch_object() , or mysql_fetch_row() . The length information is returned in a numerically keyed array.
Example 807. Fetch all column data from a result handle returned by mysql_query()
<pre> <?php // Included code that connects to a MySQL server and sets a default database // See the MySQL Functions chapter introduction for the source code for the file include ('mysql_connect.inc.php'); // Simple EXPLAIN query $query = "EXPLAIN SELECT * FROM user"; // Run the query $mysql_result = @ mysql_query ($query) or die ("Query '$query' failed with error message: \"" . mysql_error () . '"'); // Grab the data from the result handle $row = mysql_fetch_assoc ($mysql_result); // Display the contents of the row print_r ($row); // Display the lengths of the fields in the row $row_field_lengths = mysql_fetch_lengths ($mysql_result); print_r ($row_field_lengths); ?> </pre>
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