pg_fetch_row
(PHP 4, PHP 5, PHP 7, PHP 8)
pg_fetch_row — Get a row as an enumerated array
Descripción
pg_fetch_row(PgSql\Result $result
, ?int $row
= null
, int $mode
= PGSQL_NUM
): array|false
Nota: Esta función define campos NULOS
al valor null
de PHP.
Parámetros
-
result
-
An PgSql\Result instance, returned by pg_query(),
pg_query_params() or pg_execute()(among others).
-
row
-
Row number in result to fetch. Rows are numbered from 0 upwards. If
omitted or null
, the next row is fetched.
-
mode
-
An optional parameter that controls how the returned array is indexed.
mode
is a constant and can take the following values:
PGSQL_ASSOC
, PGSQL_NUM
and PGSQL_BOTH
.
Using PGSQL_NUM
, the function will return an array with numerical indices,
using PGSQL_ASSOC
it will return only associative indices
while PGSQL_BOTH
will return both numerical and associative indices.
Valores devueltos
An array, indexed from 0 upwards, with each value
represented as a string. Database NULL
values are returned as null
.
false
is returned if row
exceeds the number
of rows in the set, there are no more rows, or on any other error.
Ejemplos
Ejemplo #1 pg_fetch_row() example
<?php
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
echo "An error occurred.\n";
exit;
}
$result = pg_query($conn, "SELECT author, email FROM authors");
if (!$result) {
echo "An error occurred.\n";
exit;
}
while ($row = pg_fetch_row($result)) {
echo "Author: $row[0] E-mail: $row[1]";
echo "<br />\n";
}
?>