must be between 1 and 7

Description

When processing days of the week as an integers, the days are represented by the integers from 1 (Monday) to 7 (Sunday). Other values are non used, and are reported as faulty.

Example

<?php

$c = new IntlGregorianCalendar(NULL, 'pt_PT');

try {
    var_dump($c->setMinimalDaysInFirstWeek(0));
} catch (\ValueError $e) {
    echo $e->getMessage() . \PHP_EOL;
}

?>

Solutions

• Use an integer with a value between 1 and 7.