What is causing the error message stating that the DateTime class object cannot be converted to a string?

I found this code snippet on a programming forum

    function increaseDate($date_str, ${
    $date = new DateTime($date_str);
    $start_day = $date->format('j');

    $date->modify("+{$months} month");
    $end_day = $date->format('j');

    if ($start_day != $end_day)
        $date->modify('last day of last month');

    return $date;
}

$result = increaseDate('2011-01-28', 1);  // 2011-02-28
$result = increaseDate('2011-01-31', 3);  // 2011-04-30

This function increments the date without exceeding the last day of the month. However, when I attempt to execute the function using 

$dues=increaseDate('2011-01-28', 1); echo $dues;

An error occurs stating "Object of class DateTime could not be converted to string." Yet, it appears to work for others.

Source link

phphtmldatedatetimestring-formatting

Answer №1

Ensure that your code starts with the following line:

function add($date_str, $months) {

It seems like there is a syntax error in that line.

Answer №2

The function's format is incorrect. Here is the corrected code snippet:

function updateDate($dateString, $numMonths){
    $date = new DateTime($dateString);
    $startDay = $date->format('j');

    $date->modify("+{$numMonths} month");
    $endDay = $date->format('j');

    if ($startDay != $endDay)
        $date->modify('last day of last month');

    return $date;
}

$result1 = updateDate('2011-01-28', 1);  // 2011-02-28
$result2 = updateDate('2011-01-31', 3);  // 2011-04-30

I hope this solution resolves your issue.

Answer №3

I only needed to utilize the following code: $dues->format('Y-m-d')

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