How can one convert dates in German format to a UNIX timestamp for comparison in PHP?

To convert dates in German format to a UNIX timestamp for comparison in PHP, you can use the `strtotime()` function along with `str_replace()` to replace the German date format characters with their English equivalents. This will allow you to convert the German date string into a UNIX timestamp that can be easily compared in PHP. 

<?php
// German date string
$german_date = '25.12.2021';

// Replace German date format characters with English equivalents
$english_date = str_replace(['.', '/'], ['-', '-'], $german_date);

// Convert the date string to a UNIX timestamp
$timestamp = strtotime($english_date);

echo $timestamp; // Output: 1640412000 (UNIX timestamp for 25.12.2021)
?>

Keywords

PHP date format German UNIX timestamp comparison

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