![]() Now you can keep track of time like a world-class globetrotter. Next, we switched to London time, and strtotime adjusted accordingly. In this example, we first set our application's default time zone to New York, then fetched the local time. Here's an example: date_default_timezone_set('America/New_York') ĭate_default_timezone_set('Europe/London') The key to mastering time zone adjustments with strtotime is PHP's built-in date_default_timezone_set() function, which allows you to set the default time zone for your application. ![]() Similarly, strtotime can help you manage time zone conversions like a seasoned traveler. If you've ever experienced jet lag, you know the importance of adjusting to a new time zone. When The Clock Strikes Twelve: Time Zones And Adjustments Impressive, isn't it? Time travel has never been so simple. In the code snippet above, we've used strtotime to generate Unix timestamps for the present moment, yesterday, and one week from now. Here are some examples: $now = strtotime('now') You've probably heard of the DeLorean, the time-traveling car from the movie "Back to the Future." Well, strtotime can be your very own DeLorean, transporting you through time in the blink of an eye. strtotime In Action: Time Travel Made Easy ![]() However, much like a translator struggling with a dense text, strtotime can falter when faced with ambiguous date formats.įor example, when given the string "10/11/12," strtotime might think, "Is this October 11, 2012, or November 10, 2012? I'm so confused!" To avoid these head-scratching moments, it's best to stick with standard and unambiguous formats, like "Y-m-d" (e.g., ""). From "January 1, 2023" to "next Thursday" or even "+1 week," this linguistic chameleon can comprehend it all. The strtotime function is quite the polyglot, understanding a myriad of date and time formats. If your spell goes awry, the function will return false to signal an error. Optionally, you can provide a base timestamp ( $baseTimestamp) to perform calculations relative to that specific point in time. In layman's terms, the strtotime function takes a string representing a date and time ( $datetime) and returns a Unix timestamp. Here's the incantation to wield this power: strtotime(string $datetime, int $baseTimestamp = null): int|false Imagine you are a sorcerer with the power to manipulate time, and the strtotime function is your magic wand. In this section, we'll dissect the strtotime function, revealing its inner workings, its quirks, and how it can help you tame the wild beasts of date and time. Understanding The strtotime FunctionĪh, PHP's strtotime function, the Swiss Army knife of date and time manipulation. ![]() For more information, read our affiliate disclosure. ![]() If you click an affiliate link and subsequently make a purchase, we will earn a small commission at no additional cost to you (you pay nothing extra). Important disclosure: we're proud affiliates of some tools mentioned in this guide. The maximum value of an integer is 2147483647 which converts to Tuesday, 19 January 2038 03:14:07 so come this time this minute this second everything breaksĪnother example of why I stick to using DateTime is that it's actually able to calculate months correctly regardless of what the current date is: $now = strtotime('31 December 2019') Įcho date('d M y', strtotime('-'. The reason you should avoid anything to do with UNIX timestamps ( time(), date(), strtotime() etc) is that they will inevitably break in the year 2038 due to integer limitations. Use the DateTime class add(new DateInterval('P30D')) Do not use php's date() function, it's not as accurate as the below solution and furthermore it is unreliable in the future. ![]()
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