PHP mysql_field_seek() function
Definition and Usage
The mysql_field_seek() function sets the pointer in the result set to the specified field offset.
If successful, returns true; if failed, returns false.
Syntax
mysql_field_seek(data,field_offset)
| parameter | description |
|---|---|
| data | Must be. The data pointer to be used. This data pointer is from mysql_query() The result returned. |
| field_offset | Required. Indicates from which field to start returning. 0 indicates the first field. |
Example
<?php
$con = mysql_connect("localhost", "hello", "321");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("test_db",$con);
$sql = "SELECT * from Person";
$result = mysql_query($sql,$con);
// Jump to the fourth field
mysql_field_seek($result,3);
print_r(mysql_fetch_field($result));
mysql_close($con);
?>
Output:
stdClass Object ( [name] => Age [table] => Person [def] => [max_length] => 2 [not_null] => 0 [primary_key] => 0 [multiple_key] => 0 [unique_key] => 0 [numeric] => 1 [blob] => 0 [type] => int [unsigned] => 0 [zerofill] => 0 )
