How can developers ensure consistent date formatting when using strtotime in PHP?

When using strtotime in PHP, developers can ensure consistent date formatting by providing the date string in a format that is unambiguous and universally accepted. One way to achieve this is by using the ISO 8601 date format (YYYY-MM-DD) which is recognized by strtotime and eliminates any ambiguity related to date formats. 

$dateString = '2022-12-31'; // ISO 8601 date format
$timestamp = strtotime($dateString);
echo date('Y-m-d', $timestamp); // Output: 2022-12-31

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strtotime date formatting consistency PHP developers

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