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

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 :

Flowchart: Check whether a date is a weekend or not

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?



PHP: Tips of the Day

SQL injection that gets around mysql_real_escape_string()

Consider the following query:

$iId = mysql_real_escape_string("1 OR 1=1");    
$sSql = "SELECT * FROM table WHERE id = $iId";

mysql_real_escape_string() will not protect you against this. The fact that you use single quotes (' ') around your variables inside your query is what protects you against this. The following is also an option:

$iId = (int)"1 OR 1=1";
$sSql = "SELECT * FROM table WHERE id = $iId";

Ref : https://bit.ly/32q3bJ7