Oracle 5.0, Справочное руководство

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MySQL Improved Extension (
Mysqli
)
2478
Procedural style
int mysqli_field_tell(
mysqli_result result);
Returns the position of the field cursor used for the last
mysqli_fetch_field
call. This value can be
used as an argument to
mysqli_field_seek
.
Parameters
result
Procedural style only: A result set identifier returned
by
mysqli_query
,
mysqli_store_result
or
mysqli_use_result
.
Return Values
Returns current offset of field cursor.
Examples
Example 20.182. Object oriented style
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
$query = "SELECT Name, SurfaceArea from Country ORDER BY Code LIMIT 5";
if ($result = $mysqli->query($query)) {
/* Get field information for all columns */
while ($finfo = $result->fetch_field()) {
/* get fieldpointer offset */
$currentfield = $result->current_field;
printf("Column %d:\n", $currentfield);
printf("Name: %s\n", $finfo->name);
printf("Table: %s\n", $finfo->table);
printf("max. Len: %d\n", $finfo->max_length);
printf("Flags: %d\n", $finfo->flags);
printf("Type: %d\n\n", $finfo->type);
}
$result->close();
}
/* close connection */
$mysqli->close();
?>
Example 20.183. Procedural style
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());