(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
pg_field_type — Returns the type name for the corresponding field number
pg_field_type() returns a string containing the
base type name of the given field in the
given result instance.
Note:
If the field uses a PostgreSQL domain (rather than a basic type), it is the name of the domain's underlying type that is returned, rather than the name of the domain itself.
Note:
This function used to be called pg_fieldtype().
resultAn PgSql\Result instance, returned by pg_query(), pg_query_params() or pg_execute()(among others).
fieldField number, starting from 0.
A string containing the base name of the field's type.
| Version | Description |
|---|---|
| 8.1.0 |
The result parameter expects an PgSql\Result
instance now; previously, a resource was expected.
|
Example #1 Getting information about fields
<?php
$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
// Assume 'title' is a varchar type
$res = pg_query($dbconn, "select title from authors where author = 'Orwell'");
echo "Title field type: ", pg_field_type($res, 0);
?>
The above example will output:
Title field type: varchar