PHP mysql_field_len() Function
 Complete PHP MySQL Reference
Definition and Usage
The mysql_field_len() function returns the maximum length of a field
in a recordset.
Returns the length of the field on success, or FALSE on failure.
Syntax
mysql_field_len(data,field_offset)
|
| Parameter |
Description |
| data |
Required. Specifies which data pointer to use. The data
pointer is the result from the mysql_query() function |
| field_offset |
Required. Specifies which field to start returning.
0 indicates the first field |
Example
<?php
$con = mysql_connect("localhost", "peter", "abc123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("test_db",$con);
$sql = "SELECT * from Person";
$result = mysql_query($sql,$con);
$length = mysql_field_len($result, 0);
echo $length;
mysql_close($con);
?>
|
The output of the code above could be:
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