PG_FIELD_PRTLEN(3) PG_FIELD_PRTLEN(3) pg_field_prtlen - Returns the printed length SYNOPSIS int pg_field_prtlen (resource $result, int $row_number, mixed $field_name_or_number) DESCRIPTION int pg_field_prtlen (resource $result, mixed $field_name_or_number) pg_field_prtlen(3) returns the actual printed length (number of characters) of a specific value in a PostgreSQL $result. Row numbering starts at 0. This function will return FALSE on an error. $field_name_or_number can be passed either as an integer or as a string. If it is passed as an integer, PHP recognises it as the field num- ber, otherwise as field name. See the example given at the pg_field_name(3) page. Note This function used to be called pg_fieldprtlen(3). PARAMETERS o $result - PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others). o $row - Row number in result. Rows are numbered from 0 upwards. If omitted, current row is fetched. RETURN VALUES The field printed length, or FALSE on error. EXAMPLES Example #1 Getting information 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 "; $fieldname = pg_field_name($res, $j); echo "fieldname: $fieldname "; echo "printed length: " . pg_field_prtlen($res, $fieldname) . " characters "; echo "storage length: " . pg_field_size($res, $j) . " bytes "; echo "field type: " . pg_field_type($res, $j) . " "; } ?> The above example will 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_size(3). PHP Documentation Group PG_FIELD_PRTLEN(3)