Содержание
Php date to formatted string
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date_format
The format of the outputted date string . See the formatting options below. There are also several predefined date constants that may be used instead, so for example DATE_RSS contains the format string ‘D, d M Y H:i:s’ .
| format character | Description | Example returned values |
|---|---|---|
| Day | — | — |
| d | Day of the month, 2 digits with leading zeros | 01 to 31 |
| D | A textual representation of a day, three letters | Mon through Sun |
| j | Day of the month without leading zeros | 1 to 31 |
| l (lowercase ‘L’) | A full textual representation of the day of the week | Sunday through Saturday |
| N | ISO 8601 numeric representation of the day of the week | 1 (for Monday) through 7 (for Sunday) |
| S | English ordinal suffix for the day of the month, 2 characters | st , nd , rd or th . Works well with j |
| w | Numeric representation of the day of the week | 0 (for Sunday) through 6 (for Saturday) |
| z | The day of the year (starting from 0) | 0 through 365 |
| Week | — | — |
| W | ISO 8601 week number of year, weeks starting on Monday | Example: 42 (the 42nd week in the year) |
| Month | — | — |
| F | A full textual representation of a month, such as January or March | January through December |
| m | Numeric representation of a month, with leading zeros | 01 through 12 |
| M | A short textual representation of a month, three letters | Jan through Dec |
| n | Numeric representation of a month, without leading zeros | 1 through 12 |
| t | Number of days in the given month | 28 through 31 |
| Year | — | — |
| L | Whether it’s a leap year | 1 if it is a leap year, 0 otherwise. |
| o | ISO 8601 week-numbering year. This has the same value as Y , except that if the ISO week number ( W ) belongs to the previous or next year, that year is used instead. | Examples: 1999 or 2003 |
| X | An expanded full numeric representation of a year, at least 4 digits, with — for years BCE, and + for years CE. | Examples: -0055 , +0787 , +1999 , +10191 |
| x | An expanded full numeric representation if requried, or a standard full numeral representation if possible (like Y ). At least four digits. Years BCE are prefixed with a — . Years beyond (and including) 10000 are prefixed by a + . | Examples: -0055 , 0787 , 1999 , +10191 |
| Y | A full numeric representation of a year, at least 4 digits, with — for years BCE. | Examples: -0055 , 0787 , 1999 , 2003 , 10191 |
| y | A two digit representation of a year | Examples: 99 or 03 |
| Time | — | — |
| a | Lowercase Ante meridiem and Post meridiem | am or pm |
| A | Uppercase Ante meridiem and Post meridiem | AM or PM |
| B | Swatch Internet time | 000 through 999 |
| g | 12-hour format of an hour without leading zeros | 1 through 12 |
| G | 24-hour format of an hour without leading zeros | 0 through 23 |
| h | 12-hour format of an hour with leading zeros | 01 through 12 |
| H | 24-hour format of an hour with leading zeros | 00 through 23 |
| i | Minutes with leading zeros | 00 to 59 |
| s | Seconds with leading zeros | 00 through 59 |
| u | Microseconds. Note that date() will always generate 000000 since it takes an int parameter, whereas DateTime::format() does support microseconds if DateTime was created with microseconds. | Example: 654321 |
| v | Milliseconds. Same note applies as for u . | Example: 654 |
| Timezone | — | — |
| e | Timezone identifier | Examples: UTC , GMT , Atlantic/Azores |
| I (capital i) | Whether or not the date is in daylight saving time | 1 if Daylight Saving Time, 0 otherwise. |
| O | Difference to Greenwich time (GMT) without colon between hours and minutes | Example: +0200 |
| P | Difference to Greenwich time (GMT) with colon between hours and minutes | Example: +02:00 |
| p | The same as P , but returns Z instead of +00:00 (available as of PHP 8.0.0) | Examples: Z or +02:00 |
| T | Timezone abbreviation, if known; otherwise the GMT offset. | Examples: EST , MDT , +05 |
| Z | Timezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive. | -43200 through 50400 |
| Full Date/Time | — | — |
| c | ISO 8601 date | 2004-02-12T15:19:21+00:00 |
| r | » RFC 2822/» RFC 5322 formatted date | Example: Thu, 21 Dec 2000 16:01:07 +0200 |
| U | Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) | See also time() |
Unrecognized characters in the format string will be printed as-is. The Z format will always return 0 when using gmdate() .
Note:
Since this function only accepts int timestamps the u format character is only useful when using the date_format() function with user based timestamps created with date_create() .
Return Values
Returns the formatted date string on success.
How to convert DateTime to String in PHP
In this article, we will learn how to convert a Date or a DateTime into a String in PHP.
The Format method from DateTime
To convert a Date or a DateTime object into a String in PHP, we can use the format method from the DateTime class. As the name already says, the format method can help us formatting a DateTime object into multiple different formats.
To do so, we simply need to specify the desired format as an argument when calling the format method. That’s it!
In the following section, we will see a practical example of how to use the format method to return a string according to the given format. This method is supported from PHP 5 >= 5.2.1 to the latest version.
DateTime to String example
Let’s now take a look at a practical example. In the code below, we will use format to simply convert a DateTime object into different String formats:
format( 'd/m/Y, H:i:s' ); echo 'datetime: ' . $date_time . '
'; $date = $current_datetime->format( 'd/m/Y' ); echo 'date: ' . $date . '
'; $time = $current_datetime->format( 'H:i:s' ); echo 'time: ' . $time . '
'; $day = $current_datetime->format( 'd' ); echo 'day: ' . $day . '
'; $month = $current_datetime->format( 'm' ); echo 'month: ' . $month . '
'; $year = $current_datetime->format( 'Y' ); echo 'year: ' . $year . '
';In the example below, we used the DateTime class to initialize the $current_datetime variable with a new DateTime object and using a string. Subsequently, we used the format method to convert the DateTime object into the following formats:
- DateTime: using the ‘d/m/Y, H:i:s’ pattern
- Date: using the ‘d/m/Y’ pattern
- Time: using the ‘H:i:s’ pattern
- Day: using the ‘d’ pattern
- Month: using the ‘m’ pattern
- Year: using the ‘Y’ pattern.
If we run the code below, the output is:
datetime: 17/04/2021, 17:29:15 date: 17/04/2021 time: 17:29:15 day: 17 month: 04 year: 2021External resources: