How to Convert Dates from dd/mm/yyyy to yyyy-mm-dd in PHP?

PHP Convert Date Format: dd/mm/yyyy to yyyy-mm-dd

Converting dates between different formats can be a common task in programming. In PHP, it's also necessary to consider the ambiguity of dates in the form of dd/mm/yyyy or d-m-y, where the separator determines the format.

To convert a date from dd/mm/yyyy to yyyy-mm-dd, it's important to first determine the format of the input date. The default date function assumes the American m/d/y format. However, if the separator is a dash (-) or a dot (.), the European d-m-y format is assumed.

Solution:

• If the input date is in the American m/d/y format, the default date function can be used as follows:

$var = "20/04/2012";
echo date("Y-m-d", strtotime($var) );

• If the input date is in the European d-m-y format, a modification is necessary:

$var = '20/04/2012';
$date = str_replace('/', '-', $var);
echo date('Y-m-d', strtotime($date));

By using this approach, you can accurately convert dates between different formats in PHP.

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