pg_field_name

Description

pg_field_name() returns the name of the field occupying the given field_number in the given PostgreSQL result resource_ Field numbering starts from 0_

Ejemplo 1_ Getting informations about fields <?php $dbconn = pg_connect("dbname=publisher") or die("Could not connect"); $res = pg_query($dbconn, "select * from authors where author = 'Orwell'"); $i = pg_num_fields($res); for ($j = 0; $j < $i; $j++) { echo "column $j\n"; $fieldname = pg_field_name($res, $j); echo "fieldname: $fieldname\n"; echo "printed length: "_pg_field_prtlen($res, $fieldname)_" characters\n"; echo "storage length: "_pg_field_size($res, $j)_" bytes\n"; echo "field type: "_pg_field_type($res, $j)_" \n\n"; } ?> The above example would produce the following output: column 0 fieldname: author printed length: 6 characters storage length: _1 bytes field type: varchar column 1 fieldname: year printed length: 4 characters storage length: 2 bytes field type: int2 column 2 fieldname: title printed length: 24 characters storage length: _1 bytes field type: varchar

See also pg_field_num()_