We don’t have to create a DateTime object if we want to convert a timestamp object to a formatted date string: What if we want to construct a DateTime object from a timestamp? setTimestamp(1634142890) A better way is to use an explicit format: You may have thought that would return July 12th, 2011, but it was December 7th, 2011, instead. Select created_at from datetime_demo /* */ Insert into datetime_demo (created_at) values ('') CREATE TABLE IF NOT EXISTS public.datetime_demo But not everyone is and it might be interpreted differently. You might think that everyone should be familiar with an American date format. The constructor accepts other formats as well: īut be careful with an ambiguous format, like this: The DateTime object can be converted to a timestamp: getTimestamp() // 1634139081īut we can also get the current time in timestamp without constructing a DateTime object: Uppercase Ante Meridiem and Post Meridiemġ2-hour format of an hour without leading zerosġ2-hour format of an hour with leading zeros Numeric representation of a month, without leading zerosĪ full numeric representation of a year, 4 digits Numeric representation of a month, with leading zeros Day of the monthĭay of the month. two digits with leading zerosĪbbreviated textual representation of a day, in three lettersĪ full textual representation of a weekday.Ī full textual representation of a month, such as January or MarchĪbbreviated textual representation of a month, in three letters The full list of the parameters can be found in the PHP manual, but I’ll drop some of the most common ones here for reference. Intuitively, you know that Y refers to the year, m refers to the month, d refers to the day of the month, and so on. This provides a DateTime object that can be used to create a date and time string: format("Y-m-d") // Įcho $now->format("Y-m-d h:i:s A") // 10:10:31 PM epoch time), a DateTime object, and a string.įirst up, a recipe to get the current date and time: There are no user contributed notes for this page.One thing to know is that the dates and times can be represented in three forms: a timestamp (i.e. Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search
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