cubrid_fetch_field
(PECL CUBRID >= 8.3.1)
cubrid_fetch_field — Get column information from a result and return as an object
說明
$result, int $field_offset = 0): objectThis function returns an object with certain properties of the specific column. The properties of the object are:
-
name -
column name
-
table -
name of the table that the column belongs to
-
def -
default value of the column
-
max_length -
maximum length of the column
-
not_null -
1 if the column cannot be NULL
-
primary_key -
1 if the column is a primary key
-
unique_key -
1 if the column is an unique key
-
multiple_key -
1 if the column is a non-unique key
-
numeric -
1 if the column is numeric
-
blob -
1 if the column is a BLOB
-
type -
the type of the column
-
unsigned -
1 if the column is unsigned
-
zerofill -
1 if the column is zero-filled
參數
-
result -
resultcomes from a call to cubrid_execute() -
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_offsetstarts at 0.
返回值
Object with certain properties of the specific column, when process is successful.
false on failure.
範例
示例 #1 cubrid_fetch_field() example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$req = cubrid_execute($conn, "SELECT event_code,athlete_code,nation_code,game_date FROM game WHERE host_year=1988 and event_code=20001;");
var_dump(cubrid_fetch_row($req));
cubrid_field_seek($req, 1);
$field = cubrid_fetch_field($req);
printf("\n--- Field Properties ---\n");
printf("%-30s %s\n", "name:", $field->name);
printf("%-30s %s\n", "table:", $field->table);
printf("%-30s \"%s\"\n", "default value:", $field->def);
printf("%-30s %d\n", "max length:", $field->max_length);
printf("%-30s %d\n", "not null:", $field->not_null);
printf("%-30s %d\n", "primary key:", $field->primary_key);
printf("%-30s %d\n", "unique key:", $field->unique_key);
printf("%-30s %d\n", "multiple key:", $field->multiple_key);
printf("%-30s %d\n", "numeric:", $field->numeric);
printf("%-30s %d\n", "blob:", $field->blob);
printf("%-30s %s\n", "type:", $field->type);
printf("%-30s %d\n", "unsigned:", $field->unsigned);
printf("%-30s %d\n", "zerofill:", $field->zerofill);
cubrid_close_request($req);
cubrid_disconnect($conn);
?>
以上例程會輸出：
array(4) {
[0]=>
string(5) "20001"
[1]=>
string(5) "16681"
[2]=>
string(3) "KOR"
[3]=>
string(9) "1988-9-30"
}
--- Field Properties ---
name: athlete_code
table: game
default value: ""
max length: 0
not null: 1
primary key: 1
unique key: 1
multiple key: 0
numeric: 1
blob: 0
type: integer
unsigned: 0
zerofill: 0