MySQL Improved Extension (
Mysqli
)
2490
Returns the next field in the result set
Description
Object oriented style
object mysqli_result::fetch_field();
Procedural style
object mysqli_fetch_field(
mysqli_result result);
Returns the definition of one column of a result set as an object. Call this function repeatedly to retrieve
information about all columns in the result set.
Parameters
result
Procedural style only: A result set identifier returned
by
mysqli_query
,
mysqli_store_result
or
mysqli_use_result
.
Return Values
Returns an object which contains field definition information or
FALSE
if no field information is
available.
Table 20.52. Object properties
Property
Description
name
The name of the column
orgname
Original column name if an alias was specified
table
The name of the table this field belongs to (if not
calculated)
orgtable
Original table name if an alias was specified
def
Reserved for default value, currently always ""
db
Database (since PHP 5.3.6)
catalog
The catalog name, always "def" (since PHP 5.3.6)
max_length
The maximum width of the field for the result set.
length
The width of the field, as specified in the table
definition.
charsetnr
The character set number for the field.
flags
An integer representing the bit-flags for the field.
type
The data type used for this field
decimals
The number of decimals used (for integer fields)
Examples
Example 20.193. Object oriented style
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
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