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mysql_num_fields

mysql_num_fields

Get number of fields in result

Waarschuwing: > mysqli_num_fields``PDOStatement::columnCount

 **mysql_num_fields** resource $result

Retrieves the number of fields from a query.

Returns the number of fields in the result set on successreturn.falseforfailure. resource

Voorbeeld: A example

<?php
$result = mysql_query("SELECT id,email FROM people WHERE id = '42'");
if (!$result) {
    echo 'Could not run query: ' . mysql_error();
    exit;
}

/* returns 2 because id,email === two fields */
echo mysql_num_fields($result);
?>

Opmerking: > info.deprecated.alias

mysql_numfields

mysql_select_db``mysql_query``mysql_fetch_field``mysql_num_rows

Vorige ← mysql_list_tables Volgende mysql_num_rows →

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