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Install WAMP

Obtaining WAMP

 Download the latest version of WAMP from https://www.wamp.org.

WAMP installation guide

1. Double click on the wamp installation executable (we have used WampServer2.0i.exe ) to start the installation.

2. Select I accept the agreement.

wamp installation guide

 

3. Select destination folder.

wamp installation guide step 2

 

4. Select whether you want a Quick launch icon and desktop icon.

wamp installation guide step 3

 

5. Click Install to beginning the installation.

wamp installation guide 5

 

6. Installation progresses.

wamp installation guide 6

 

7. Select the default browser WAMP server going to use.

wamp installation guide 8

 

8. Installation is being finished.

wamp installation guide 9

 

9. Supply PHP mail parameters and click next. This finishes the installation.

wamp installation guide 10

 

10. Testing if PHP is installed properly.

Create a php file containing code <?php echo phpinfo(); ?> and save it as test.php.

Run this file on your web server and if you get an output like this :

testing php installation

 

then your WAMP installation  is working properly.

After you have successfully installed WAMP, an icon comes in the right-hand corner of the Taskbar. Click on that icon and from here you start / restart /close Apache, PHP, and MySQL. You can also change settings of Apache,PHP, and MySQL.

wamp settings

Previous: Install PHP on Apache in Windows
Next: Install AMPPS in Windows



PHP: Tips of the Day

How to Sort Multi-dimensional Array by Value?

Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first:

Example:

function sortByOrder($a, $b) {
    return $a['order'] - $b['order'];
}

usort($myArray, 'sortByOrder');

Starting in PHP 5.3, you can use an anonymous function:

usort($myArray, function($a, $b) {
    return $a['order'] - $b['order'];
});

And finally with PHP 7 you can use the spaceship operator:

usort($myArray, function($a, $b) {
    return $a['order'] <=> $b['order'];
});

To extend this to multi-dimensional sorting, reference the second/third sorting elements if the first is zero - best explained below. You can also use this for sorting on sub-elements.

usort($myArray, function($a, $b) {
    $retval = $a['order'] <=> $b['order'];
    if ($retval == 0) {
        $retval = $a['suborder'] <=> $b['suborder'];
        if ($retval == 0) {
            $retval = $a['details']['subsuborder'] <=> $b['details']['subsuborder'];
        }
    }
    return $retval;
});

If you need to retain key associations, use uasort() - see comparison of array sorting functions in the manual

Ref : https://bit.ly/3i77vCC