search for in the  
<mysql_field_flagsmysql_field_name>
Last updated: Thu, 19 May 2005

mysql_field_len

(PHP 3, PHP 4, PHP 5)

mysql_field_len -- Returns the length of the specified field

Description

int mysql_field_len ( resource result, int field_offset )

mysql_field_len() returns the length of the specified field.

Parameters

result

The result resource that is being evaluated. This result comes from a call to mysql_query().

field_offset

The numerical field offset. The field_offset starts at 0. If field_offset does not exist, an error of level E_WARNING is also issued.

Return Values

The name of the specified field index on success, or FALSE on failure.

Examples

Example 1. mysql_field_len() example

<?php
$result = mysql_query("SELECT id,email FROM people WHERE id = '42'");
if (!$result) {
   echo 'Could not run query: ' . mysql_error();
   exit;
}

// Will get the length of the id field as specified in the database
// schema.
$length = mysql_field_len($result, 0);
echo $length;
?>

Notes

Note: For downward compatibility, the following deprecated alias may be used: mysql_fieldlen()

See Also

mysql_fetch_lengths()
strlen()



User Contributed Notes
mysql_field_len
adam_nospam_hunger at yahoo dot com
30-Oct-2003 07:04
For a mysql type DECIMAL(8,4), the length is returned as 10 (M+2 as per documentation).

<mysql_field_flagsmysql_field_name>
 Last updated: Thu, 19 May 2005
Copyright © 2001-2005 The PHP Group
All rights reserved.		 This unofficial mirror is operated at: The Server Pages
Last updated: Thu May 19 17:35:34 2005 CDT