PHP Date Exercises : Check whether a date is a weekend or not

Last update on May 30 2022 11:44:49 (UTC/GMT +8 hours)

PHP date: Exercise-15 with Solution

Write a PHP script to check whether a date is a weekend or not.

Sample Solution:

PHP Code:

<?php
$dt='2011-01-04';
        $dt1 = strtotime($dt);
        $dt2 = date("l", $dt1);
        $dt3 = strtolower($dt2);
    if(($dt3 == "saturday" )|| ($dt3 == "sunday"))
		{
            echo $dt3.' is weekend'."\n";
        } 
    else
		{
            echo $dt3.' is not weekend'."\n";
        }
?>

Sample Output:

tuesday is not weekend

Flowchart :

PHP Code Editor:

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Previous: Write a PHP script to get the current date/time of 'Australia/Melbourne'.
Next: Write a PHP script to add/subtract the number of days from a particular date.

What is the difficulty level of this exercise?

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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