PHP access to query MySQL data three ways _php Foundation

1. $row = Mysql_fetch_row ($result);
Returns the array $row of a rule, $row [0] is the first element, $row [1] is the second element, and so on ...
Mysql_num_fields ($result) returns the number of elements of the result.

2. $row = Mysql_fetch_array ($result);

Returns an array of $row. Examples are as follows:
The table structure is as follows:

Username | Password
-------------------------------------
Bourbon | Abc
Berber | Efg

The first run Run $row = mysql_fetch_array ($result) results as follows:

$row [0] = $row ["username"] = "Bourbon"
$row [1] = $row ["password"] = "abc"

The first run Run $row = mysql_fetch_array ($result) results as follows:

$row [0] = $row ["username"] = "Berber"
$row [1] = $row ["password"] = "EFG"


3. $row = Mysql_fetch_object ($result);

Returns an object description row. As in the previous example
The first run of $row = Mysql_fetch_object ($result) results in the following:

$row->username = "Bourbon"
$row->password = "abc"

The second run $row = mysql_fetch_object ($result) results in the following:
$row->username = "Berber"
$row->password = "EFG"