Difference between fetchAll () and mysql_fetch_array ()

This article provides a detailed analysis of the differences between fetchAll () and mysql_fetch_array (). For more information, see the following query statement:
FetchAll ():

The code is as follows:

Array (1 ){
[0] => array (6 ){
["Id"] => string (2) "15"
[0] => string (2) "15"
["Lot_sellid"] => string (20) "00000000000000003877"
[1] => string (20) "00000000000000003877"
["Lotteryid"] => string (2) "D8"
[2] => string (2) "D8"
}
}

Mysql_fetch_array ():

The code is as follows:

Array (6 ){
[0] => string (2) "15"
["Id"] => string (2) "15"
[1] => string (20) "00000000000000003877"
["Lot_sellid"] => string (20) "00000000000000003877"
[2] => string (2) "D8"
["Lotteryid"] => string (2) "D8"
}