PHP Timestamp Helper

<?php
// Method 1: time() function
$timestamp = time();
echo $timestamp; // 1729584000

// Method 2: DateTime class (recommended)
$dt = new DateTime();
echo $dt->getTimestamp();

// Get milliseconds
$ms = round(microtime(true) * 1000);
echo $ms; // 1729584000000
?>

<?php
$timestamp = 1729584000;

// Using date()
echo date('Y-m-d H:i:s', $timestamp);
// 2024-10-22 01:20:00

// Using DateTime
$dt = new DateTime();
$dt->setTimestamp($timestamp);
echo $dt->format('Y-m-d H:i:s');
?>

<?php
// Using strtotime()
$ts = strtotime('2024-10-22 01:20:00');
echo $ts; // 1729584000

// Using DateTime
$dt = DateTime::createFromFormat(
    'Y-m-d H:i:s',
    '2024-10-22 01:20:00'
);
echo $dt->getTimestamp();
?>