here's a rough replacement using mysqli:
if (!function_exists('mysql_result')) {
function mysql_result($result, $number, $field=0) {
mysqli_data_seek($result, $number);
$row = mysqli_fetch_array($result);
return $row[$field];
}
}
mysql_result
(PHP 4, PHP 5)
mysql_result — Get result data
Aviso
Esta extensão tornou-se defasada a partir do PHP 5.5.0 e foi removida no PHP 7.0.0. Em vez disso, as extensões MySQLi ou PDO_MySQL devem ser usadas. Veja também o guia MySQL: escolhendo uma API. Alternativas a esta função incluem:
- mysqli_data_seek() in conjunction with mysqli_field_seek() and mysqli_fetch_field()
- PDOStatement::fetchColumn()
Descrição
Retrieves the contents of one cell from a MySQL result set.
When working on large result sets, you should consider using one of the functions that fetch an entire row (specified below). As these functions return the contents of multiple cells in one function call, they're MUCH quicker than mysql_result(). Also, note that specifying a numeric offset for the field argument is much quicker than specifying a fieldname or tablename.fieldname argument.
Parâmetros
-
result -
O resource do resultado que está sendo avaliado. Este resultado vem de uma chamada a mysql_query().
-
row -
The row number from the result that's being retrieved. Row numbers start at
0. -
field -
The name or offset of the field being retrieved.
It can be the field's offset, the field's name, or the field's table dot field name (tablename.fieldname). If the column name has been aliased ('select foo as bar from...'), use the alias instead of the column name. If undefined, the first field is retrieved.
Valor Retornado
The contents of one cell from a MySQL result set on success, or
false on failure.
Exemplos
Exemplo #1 mysql_result() example
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$link) {
die('Could not connect: ' . mysql_error());
}
if (!mysql_select_db('database_name')) {
die('Could not select database: ' . mysql_error());
}
$result = mysql_query('SELECT name FROM work.employee');
if (!$result) {
die('Could not query:' . mysql_error());
}
echo mysql_result($result, 2); // outputs third employee's name
mysql_close($link);
?>Notas
Nota:
Calls to mysql_result() should not be mixed with calls to other functions that deal with the result set.
Veja Também
- mysql_fetch_row() - Obtém uma linha como um array numérico
- mysql_fetch_array() - Fetch a result row as an associative array, a numeric array, or both
- mysql_fetch_assoc() - Obtém uma linha do resultado como um array associativo
- mysql_fetch_object() - Obtém o resultado de uma linha como um objeto
add a note
User Contributed Notes 8 notes
freedman at FreeFormIT dot com ¶
9 years ago
bob dot schuon at loungelizard dot com ¶
4 years ago
This function accounts for the ability of the original function to accept "table_name.field_name" entries as well as just the field name:
function mysqli_result($res, $row, $field=0) {
$result->data_seek($row);
$data = $result->fetch_array();
$field_name = $field;
if ( is_string($field) ) {
$fields_array = explode(".", $field);
$array_len = count($fields_array);
if ($array_len > 1) {
$field_name = $fields_array[array_len - 1];
} else {
$field_name = $fields_array[0];
}
}
return $data[$field_name];
}
mark at pnod dot co dot uk ¶
1 year ago
To replace a row count e.g.
$querystring = "SELECT COUNT(*) FROM table WHERE column1 = 'EXAMPLE'";
$total_records = mysql_result(mysql_query($querystring,$connection),0);
use mysqli_fetch_row :
$querystring = "SELECT COUNT(*) FROM table WHERE column1 = 'EXAMPLE'";
$rowcount = mysqli_fetch_row(mysqli_query($connection,$querystring));
$total_records = $rowcount[0];
v dot teemu at gmail dot com ¶
8 years ago
I was also looking for mysqli replacement for getting first row, when query is known to return just 1 value. It seems this is simple:
echo(mysql_result($result, 0));
becomes
echo($result->fetch_row()[0]);
alternatively
if ($row = $result->fetch_row()) {
echo($row[0]);
}
harmmeiier at gmail dot com ¶
10 years ago
An example of how to easily port this to mysqli would be nice instead of some links to functions that don't really do what this function does.
adam dot chou at gmail dot com ¶
16 years ago
mysql_result() will throw E_WARNING if mysql_query returns 0 rows. This is unlike any of the mysql_fetch_* functions so be careful of this if you have E_WARNING turned on in error_reporting(). You might want to check mysql_num_rows() before calling mysql_result()
bruce at kaskubar dot com ¶
13 years ago
The warning against mixing the use of mysql_result with other result set functions is a bit generic. More specifically, mysql_result alters the result set's internal row pointer (at least in a LAMP environment). This is anything but obvious as the nature of the function is random access for grabbing a quick byte. Using mysql_data_seek after some mysql_result calls, before going into a mysql_fetch_array loop, will set things straight.
raz0 at NOSPAM dot worldonline dot dk ¶
21 years ago
If you want to fetch the result from a mysql query similar to one of these two queries...
$query = mysql_query("SELECT COUNT(*) FROM table");
$query = mysql_query("SELECT LAST_INSERT_ID()");
... you would use mysql_result() like shown below to retrieve the output as an int.
$result = mysql_result($query, 0, 0);
