What potential problems can arise when using dates before 1970 in PHP?

When using dates before 1970 in PHP, a potential problem that can arise is the limitation of Unix timestamps, which start from January 1, 1970. To solve this issue, you can use the DateTime class in PHP, which provides a more flexible way of working with dates, including dates before 1970. 

$date = new DateTime('1960-01-01');
echo $date->format('Y-m-d');

Keywords

dates before 1970 PHP timestamp Unix timestamp

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