PHP

update sql php

$query = "UPDATE `$table` SET column1 = '$value1', column2 = '$value2' WHERE $condition;"; 

sql update row in php

mysql_query("UPDATE blogEntry SET content = '$udcontent', title = '$udtitle' WHERE id = $id");

update php

STEP 1:
If you want to update your php version.
Then go to php offical site https://www.php.net download your desire version from there.

STEP 2:
A zip file will be download, extract it.

STEP 3:
Then put it into your apache local server like (Xampp, Laragon, Wampp etc) in php folder.

STEP 4:
a) goto search bar of the window
b) search "environment variables"
c) goto "Enivronment Variables..."
d) In System Variables got "path" variable
e) Add your php folder path that you added before in apache local serve


NOTE !
If you are using multiple php versions at a time 
then make sure that version you want use keep that version path at the top or first from other php versions 

Boom!!!!!!

It's DONE.