Basic PHP Programming Tutorial 25: Time and Time stamps

TL;DR

This tutorial discusses different ways to display time formats in PHP, including unix timestamp and custom formats.

Transcript

hello and welcome to the 25th php tutorial in this tutorial we're going to be talking about time and various ways to display uh time formats and here i've just commented real quick a bunch of stuff about time and then also this link to time i mean there's just like there's a million different uh letters and stuff that we can use to denote all kinds... Read More

Key Insights

• 💨 PHP's unix timestamp is a universal and widely-used way of representing time in seconds since January 1st, 1970.
• 🧑‍🤝‍🧑 The "date" function in PHP allows for the conversion of unix timestamps into readable date formats.
• 💁 Different characters and escape sequences can be used to specify the desired format, such as "m" for the numerical month with leading zeros and "H" for the hours in 24-hour format.

Questions & Answers

Q: What is a unix timestamp and how is it displayed?

A unix timestamp represents the number of seconds that have passed since January 1st, 1970. It is displayed as a large integer.

Q: How can the unix timestamp be converted to a readable date format?

The "date" function in PHP can be used to convert a unix timestamp to a desired date format. The desired format is specified as the first parameter, and the unix timestamp is specified as the second parameter.

Q: What are some common date formats that can be used with the "date" function?

Common date formats include displaying the month, day, year (e.g., "06/27/13"), the day of the week, the month, and the day (e.g., "Thursday, June 27th"), and the time zone of a timestamp.

Q: Can custom date formats be created using the "date" function?

Yes, custom date formats can be created by combining various characters and escape sequences. For example, "l" represents the full day of the week, "j" represents the numerical day without leading zeros, and "F" represents the full month.

Summary & Key Takeaways

• The tutorial introduces the concept of time in PHP and mentions the php.net documentation as a valuable resource.

• It explains the basic way of displaying time using unix timestamp and demonstrates how to echo the current time.

• The tutorial then explains how to convert unix time to a more readable format by using the "date" function and specifying the desired format.

• It shows examples of different date formats, including the month, day, year, day of the week, and time zone.