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MySQL Improved Extension (
Mysqli
)
2331
negligible changes to the information it receives. Differences between MySQL server versions are not
aligned.
Meta data is access through the
mysqli_result
interface.
Example 20.104. Accessing result set meta data
<?php
$mysqli = new mysqli("example.com", "user", "password", "database");
if ($mysqli->connect_errno) {
echo "Failed to connect to MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error;
}
$res = $mysqli->query("SELECT 1 AS _one, 'Hello' AS _two FROM DUAL");
var_dump($res->fetch_fields());
?>
The above example will output:
array(2) {
[0]=>
object(stdClass)#3 (13) {
["name"]=>
string(4) "_one"
["orgname"]=>
string(0) ""
["table"]=>
string(0) ""
["orgtable"]=>
string(0) ""
["def"]=>
string(0) ""
["db"]=>
string(0) ""
["catalog"]=>
string(3) "def"
["max_length"]=>
int(1)
["length"]=>
int(1)
["charsetnr"]=>
int(63)
["flags"]=>
int(32897)
["type"]=>
int(8)
["decimals"]=>
int(0)
}
[1]=>
object(stdClass)#4 (13) {
["name"]=>
string(4) "_two"
["orgname"]=>
string(0) ""
["table"]=>
string(0) ""
["orgtable"]=>
string(0) ""
["def"]=>
string(0) ""
["db"]=>
string(0) ""
["catalog"]=>
string(3) "def"
["max_length"]=>
int(5)
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