Downloaded 29 times
![Vineet Kumar Saini
Difference between mysql_fetch_array(), mysql_fetch_row(), mysql_fetch_assoc() and
mysql_fetch_object() in php
Many of the php programming newbies get confused about mysql_fetch_array(),
mysql_fetch_row(), mysql_fetch_assoc() and mysql_fetch_object() functions, but all of these
functions performs a similar process.
Let us create a table “tb” for clear example with three fields “id”, “username” and “password”
Table: tb
Insert a new row into the table with values 1 for id, tobby for username and tobby78$2 for
password
db.php
<?php
$query=mysql_connect("localhost","root","");
mysql_select_db("tobby",$query);
?>
1. mysql_fetch_row()
Fetch a result row as an numeric array
<html>
<?php
include('db.php');
$query=mysql_query("select * from tb");
$row=mysql_fetch_row($query);
echo $row['0'];
echo $row['1'];
echo $row['2'];
?>
</html>
Result
1 tobby tobby78$2
www.vineetsaini.wordpress.com](https://image.slidesharecdn.com/whatisdifferencebetweenmysql-120904083117-phpapp02/85/Difference-between-mysql_fetch_array-and-mysql_fetch_assoc-in-PHP-1-320.jpg)
![Vineet Kumar Saini
Difference between mysql_fetch_array(), mysql_fetch_row(), mysql_fetch_assoc() and
mysql_fetch_object() in php
Many of the php programming newbies get confused about mysql_fetch_array(),
mysql_fetch_row(), mysql_fetch_assoc() and mysql_fetch_object() functions, but all of these
functions performs a similar process.
Let us create a table “tb” for clear example with three fields “id”, “username” and “password”
Table: tb
Insert a new row into the table with values 1 for id, tobby for username and tobby78$2 for
password
db.php
<?php
$query=mysql_connect("localhost","root","");
mysql_select_db("tobby",$query);
?>
1. mysql_fetch_row()
Fetch a result row as an numeric array
<html>
<?php
include('db.php');
$query=mysql_query("select * from tb");
$row=mysql_fetch_row($query);
echo $row['0'];
echo $row['1'];
echo $row['2'];
?>
</html>
Result
1 tobby tobby78$2
www.vineetsaini.wordpress.com](https://image.slidesharecdn.com/whatisdifferencebetweenmysql-120904083117-phpapp02/75/Difference-between-mysql_fetch_array-and-mysql_fetch_assoc-in-PHP-1-2048.jpg)
![Vineet Kumar Saini
2. mysql_fetch_object()
Fetch a result row as an object
<html>
<?php
include('db.php');
$query=mysql_query("select * from tb");
$row=mysql_fetch_object($query);
echo $row->id;
echo $row->username;
echo $row->password;
?>
</html>
Result
1 tobby tobby78$2
3. mysql_fetch_assoc()
Fetch a result row as an associative array
<html>
<?php
include('db.php');
$query=mysql_query("select * from tb");
$row=mysql_fetch_assoc($query);
echo $row['id'];
echo $row['username'];
echo $row['password'];
?>
</html>
Result
1 tobby tobby78$2
www.vineetsaini.wordpress.com](https://image.slidesharecdn.com/whatisdifferencebetweenmysql-120904083117-phpapp02/85/Difference-between-mysql_fetch_array-and-mysql_fetch_assoc-in-PHP-2-320.jpg)
![Vineet Kumar Saini
4. mysql_fetch_array()
Fetch a result row as an associative array, a numeric array and also it fetches by both associative
& numeric array.
<html>
<?php
include('db.php');
$query=mysql_query("select * from tb");
$row=mysql_fetch_array($query);
echo $row['id'];
echo $row['username'];
echo $row['password'];
<span style="color: #993300;">/* here both associative array and
numeric array will work. */</span>
echo $row['0'];
echo $row['1'];
echo $row['2'];
?>
</html>
Result
1 tobby tobby78$2
www.vineetsaini.wordpress.com](https://image.slidesharecdn.com/whatisdifferencebetweenmysql-120904083117-phpapp02/85/Difference-between-mysql_fetch_array-and-mysql_fetch_assoc-in-PHP-3-320.jpg)
![Vineet Kumar Saini
Ways to retrieve the data in the result set of MySQL using PHP
1. mysql_fetch_row($result):-
where $result is the result resource returned from a successful query executed using the
mysql_query() function.
Example:
$result = mysql_query(“SELECT * from students);
while($row = mysql_fetch_row($result))
{
Some statement;
}
2. mysql_fetch_array($result):-
Return the current row with both associative and numeric indexes where each column can either
be accessed by 0, 1, 2, etc., or the column name.
Example:
$row = mysql_fetch_array($result)
3. mysql_fetch_assoc($result):-
Return the current row as an associative array, where the name of each column is a key in the
array.
Example:
$row = mysql_fetch_assoc($result)
$row[‘column_name’]
4.mysql_fetch_object($result):-
Results are objects returned from database. Fields are accessible like
$result->name, $result->cust_name, where $result is the result object and name, cust_name are
the fields.
mysql_fetch_array : Results are arrays returned from database. Fields are accessible like
$result[name], $result[cust_name].
www.vineetsaini.wordpress.com](https://image.slidesharecdn.com/whatisdifferencebetweenmysql-120904083117-phpapp02/85/Difference-between-mysql_fetch_array-and-mysql_fetch_assoc-in-PHP-4-320.jpg)
Uploaded byVineet Kumar Saini
Difference between mysql_fetch_array and mysql_fetch_assoc in PHP
The document discusses the differences between four PHP functions - mysql_fetch_row(), mysql_fetch_object(), mysql_fetch_assoc(), and mysql_fetch_array() - that are used to retrieve rows from MySQL result sets. mysql_fetch_row() returns a numeric array, mysql_fetch_object() returns an object, mysql_fetch_assoc() returns an associative array, and mysql_fetch_array() can return both associative and numeric arrays. Examples are provided showing how to access column values using each function.
More Related Content
Similar to Difference between mysql_fetch_array and mysql_fetch_assoc in PHP
Difference between mysql_fetch_array and mysql_fetch_assoc in PHP
- 1. Vineet Kumar Saini Differencebetween mysql_fetch_array(), mysql_fetch_row(), mysql_fetch_assoc() and mysql_fetch_object() in php Many of the php programming newbies get confused about mysql_fetch_array(), mysql_fetch_row(), mysql_fetch_assoc() and mysql_fetch_object() functions, but all of these functions performs a similar process. Let us create a table “tb” for clear example with three fields “id”, “username” and “password” Table: tb Insert a new row into the table with values 1 for id, tobby for username and tobby78$2 for password db.php <?php $query=mysql_connect("localhost","root",""); mysql_select_db("tobby",$query); ?> 1. mysql_fetch_row() Fetch a result row as an numeric array <html> <?php include('db.php'); $query=mysql_query("select * from tb"); $row=mysql_fetch_row($query); echo $row['0']; echo $row['1']; echo $row['2']; ?> </html> Result 1 tobby tobby78$2 www.vineetsaini.wordpress.com
- 2. Vineet Kumar Saini 2. mysql_fetch_object() Fetch a result row as an object <html> <?php include('db.php'); $query=mysql_query("select * from tb"); $row=mysql_fetch_object($query); echo $row->id; echo $row->username; echo $row->password; ?> </html> Result 1 tobby tobby78$2 3. mysql_fetch_assoc() Fetch a result row as an associative array <html> <?php include('db.php'); $query=mysql_query("select * from tb"); $row=mysql_fetch_assoc($query); echo $row['id']; echo $row['username']; echo $row['password']; ?> </html> Result 1 tobby tobby78$2 www.vineetsaini.wordpress.com
- 3. Vineet Kumar Saini 4. mysql_fetch_array() Fetch a result row as an associative array, a numeric array and also it fetches by both associative & numeric array. <html> <?php include('db.php'); $query=mysql_query("select * from tb"); $row=mysql_fetch_array($query); echo $row['id']; echo $row['username']; echo $row['password']; <span style="color: #993300;">/* here both associative array and numeric array will work. */</span> echo $row['0']; echo $row['1']; echo $row['2']; ?> </html> Result 1 tobby tobby78$2 www.vineetsaini.wordpress.com
- 4. Vineet Kumar Saini Waysto retrieve the data in the result set of MySQL using PHP 1. mysql_fetch_row($result):- where $result is the result resource returned from a successful query executed using the mysql_query() function. Example: $result = mysql_query(“SELECT * from students); while($row = mysql_fetch_row($result)) { Some statement; } 2. mysql_fetch_array($result):- Return the current row with both associative and numeric indexes where each column can either be accessed by 0, 1, 2, etc., or the column name. Example: $row = mysql_fetch_array($result) 3. mysql_fetch_assoc($result):- Return the current row as an associative array, where the name of each column is a key in the array. Example: $row = mysql_fetch_assoc($result) $row[‘column_name’] 4.mysql_fetch_object($result):- Results are objects returned from database. Fields are accessible like $result->name, $result->cust_name, where $result is the result object and name, cust_name are the fields. mysql_fetch_array : Results are arrays returned from database. Fields are accessible like $result[name], $result[cust_name]. www.vineetsaini.wordpress.com