05-26-2011
I don't think so. OP needs the second column become first, etc. after the operation. OP does not want the sixth field to become first.
This User Gave Thanks to mirni For This Post:
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LEARN ABOUT PHP
mysql_fetch_field
MYSQL_FETCH_FIELD(3) 1 MYSQL_FETCH_FIELD(3)
mysql_fetch_field - Get column information from a result and return as an object
SYNOPSIS
Warning
This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should
be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:
omysqli_fetch_field(3)
o PDOStatement::getColumnMeta
object mysql_fetch_field (resource $result, [int $field_offset])
DESCRIPTION
Returns an object containing field information. This function can be used to obtain information about fields in the provided query result.
o $
result -The result resource that is being evaluated. This result comes from a call to mysql_query(3).
o $field_offset
- The numerical field offset. If the field offset is not specified, the next field that was not yet retrieved by this function is
retrieved. The $field_offset starts at 0.
Returns an object containing field information. The properties of the object are:
o name - column name
o table - name of the table the column belongs to, which is the alias name if one is defined
o max_length - maximum length of the column
o not_null - 1 if the column cannot be
NULL
o primary_key - 1 if the column is a primary key
o unique_key - 1 if the column is a unique key
o multiple_key - 1 if the column is a non-unique key
o numeric - 1 if the column is numeric
o blob - 1 if the column is a BLOB
o type - the type of the column
o unsigned - 1 if the column is unsigned
o zerofill - 1 if the column is zero-filled
Example #1
mysql_fetch_field(3) example
<?php
$conn = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$conn) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db('database');
$result = mysql_query('select * from table');
if (!$result) {
die('Query failed: ' . mysql_error());
}
/* get column metadata */
$i = 0;
while ($i < mysql_num_fields($result)) {
echo "Information for column $i:<br />
";
$meta = mysql_fetch_field($result, $i);
if (!$meta) {
echo "No information available<br />
";
}
echo "<pre>
blob: $meta->blob
max_length: $meta->max_length
multiple_key: $meta->multiple_key
name: $meta->name
not_null: $meta->not_null
numeric: $meta->numeric
primary_key: $meta->primary_key
table: $meta->table
type: $meta->type
unique_key: $meta->unique_key
unsigned: $meta->unsigned
zerofill: $meta->zerofill
</pre>";
$i++;
}
mysql_free_result($result);
?>
Note
Field names returned by this function are case-sensitive.
Note
If field or tablenames are aliased in the SQL query the aliased name will be returned. The original name can be retrieved for
instance by using mysqli_result::fetch_field.
mysql_field_seek(3).
PHP Documentation Group MYSQL_FETCH_FIELD(3)