(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
pg_field_num — Returns the field number of the named field
pg_field_num() will return the number of the
field number that corresponds to the
field in the given result instance.
Bilginize:
This function used to be called pg_fieldnum().
resultpg_query(), pg_query_params() veya pg_execute() işlevinden dönen PgSql\Result nesnesi.
fieldThe name of the field. The given name is treated like an identifier in an SQL command, that is, it is downcased unless double-quoted.
The field number (numbered from 0), or -1 on error.
| Sürüm: | Açıklama |
|---|---|
| 8.1.0 |
sonuç bağımsız değişkeni artık
PgSql\Result nesnesi kabul ediyor, evvelce bir
özkaynak kabul ederdi.
|
Örnek 1 Getting information about fields
<?php
$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
$res = pg_query($dbconn, "select author, year, title from authors where author = 'Orwell'");
echo "Column 'title' is field number: ", pg_field_num($res, 'title');
?>Yukarıdaki örneğin çıktısı:
Column 'title' is field number: 2