How can developers ensure compatibility with older PHP versions when using IntlDateFormatter?

To ensure compatibility with older PHP versions when using IntlDateFormatter, developers can check for the existence of the class before using it. If the class does not exist, they can fall back to using an alternative method for formatting dates, such as the date() function. 

if(class_exists('IntlDateFormatter')) {
    $formatter = new IntlDateFormatter('en_US', IntlDateFormatter::SHORT, IntlDateFormatter::SHORT);
    echo $formatter->format(new DateTime());
} else {
    echo date('m/d/Y H:i:s');
}

Keywords

IntlDateFormatter backward compatibility PHP versions date formatting compatibility issues

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