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update multiple values using php and mysql?
i need to update multiple choices for question but every time i run the query it's only update the last choice only also i need to update the value of the correct answer which is (0 or 1 ) which the best using input text or radio button
...
how can i insert a value into foreign key in mysql table using php?
I am having a problem when I try to push value into a foreign key in MySQL table I don't know if it's correct but I have used the GET method to pass the primary key through a link but it didn't work so how can I use the right wa...
MySQLi - An improved and enhanced MySQL extension
After depreciation of mysql_* functions from PHP 5.5, MySQLi and PDO are two most popular and preferred options to interact with MySQL databases in PHP. This article demonstrates the introduction of MySQLi and highlights the reasons behind the de...
countdown timer for online test
countdown timer for online test
how can i add timer to my online test which allows me to
-1 time your testing
2-if the countdown is finish the form will submit
3- after submit i need to give score the questions that he has already answered it...
How to sort column by clicking on column header iin PHP
Below code will gives us a table on which when we first time click the headers of column, it display data in ascending order. if we click the header second time than it display values in descending order.
<?php...
How to fetch data from database in PHP
For fetching data from database in php, first we have to create a connection from database by using following code.
<?php
$servername = "localhost";
$username = "root";
$password = "pass";
$database = "demo"; //this wi...
How to write PHP code to select specific column and display rows respectfully??
I have wrote code for sqlite to select specific columns and display rows ..
id condition lat long
1 Good 0.0 0.0
2 Poor 0.0 0.0
3 Good 0.0 0.0
When I select Good, It should display my lat & l...
