Zend Date Class Constants Cheat Sheet

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Submitted by sudheer on Sun, 12/26/2010 - 00:01

Date and time handling in general is a problem in programming. For PHP programmers, there's a good library out there that performs all the difficult tasks and provides convenient APIs. Zend_Date has several constants defined. It is good to know what each one of them represents. For this purpose, I have made a cheat sheet. Download the PDF and enjoy.

The table has the constant name and sample value columns.

Constant Value
Zend_Date::DAY 25
Zend_Date::DAY_SHORT 25
Zend_Date::DAY_SUFFIX th
Zend_Date::DAY_OF_YEAR 358
Zend_Date::WEEKDAY Saturday
Zend_Date::WEEKDAY_SHORT Sat
Zend_Date::WEEKDAY_NARROW S
Zend_Date::WEEKDAY_NAME Sat
Zend_Date::WEEKDAY_8601 6
Zend_Date::WEEKDAY_DIGIT 6
Zend_Date::WEEK 51
Zend_Date::MONTH 12
Zend_Date::MONTH_SHORT 12
Zend_Date::MONTH_DAYS 31
Zend_Date::MONTH_NAME December
Zend_Date::MONTH_NAME_SHORT Dec
Zend_Date::MONTH_NAME_NARROW D
Zend_Date::YEAR 2010
Zend_Date::YEAR_SHORT 10
Zend_Date::YEAR_8601 2010
Zend_Date::YEAR_SHORT_8601 10
Zend_Date::LEAPYEAR 0
Zend_Date::MERIDIEM PM
Zend_Date::SWATCH 805
Zend_Date::HOUR 18
Zend_Date::HOUR_SHORT 18
Zend_Date::HOUR_AM 06
Zend_Date::HOUR_SHORT_AM 6
Zend_Date::MINUTE 19
Zend_Date::MINUTE_SHORT 19
Zend_Date::SECOND 53
Zend_Date::SECOND_SHORT 53
Zend_Date::MILLISECOND 0
Zend_Date::TIMEZONE_NAME UTC
Zend_Date::DAYLIGHT 0
Zend_Date::GMT_DIFF +0000
Zend_Date::GMT_DIFF_SEP +00:00
Zend_Date::TIMEZONE UTC
Zend_Date::TIMEZONE_SECS 0
Zend_Date::ISO_8601 2010-12-25T18:19:53+00:00
Zend_Date::RFC_2822 Sat, 25 Dec 2010 18:19:53 +0000
Zend_Date::TIMESTAMP 1293301193
Zend_Date::ERA AD
Zend_Date::ERA_NAME Anno Domini
Zend_Date::ERA_NARROW A.
Zend_Date::DATES Dec 25, 2010
Zend_Date::DATE_FULL Saturday, December 25, 2010
Zend_Date::DATE_LONG December 25, 2010
Zend_Date::DATE_MEDIUM Dec 25, 2010
Zend_Date::DATE_SHORT 12/25/10
Zend_Date::TIMES 6:19:53 PM
Zend_Date::TIME_FULL 6:19:53 PM UTC
Zend_Date::TIME_LONG 6:19:53 PM UTC
Zend_Date::TIME_MEDIUM 6:19:53 PM
Zend_Date::TIME_SHORT 6:19 PM
Zend_Date::DATETIME Dec 25, 2010 6:19:53 PM
Zend_Date::DATETIME_FULL Saturday, December 25, 2010 6:19:53 PM UTC
Zend_Date::DATETIME_LONG December 25, 2010 6:19:53 PM UTC
Zend_Date::DATETIME_MEDIUM Dec 25, 2010 6:19:53 PM
Zend_Date::DATETIME_SHORT 12/25/10 6:19 PM
Zend_Date::ATOM 2010-12-25T18:19:53+00:00
Zend_Date::COOKIE Saturday, 25-Dec-10 18:19:53 UTC
Zend_Date::RFC_822 Sat, 25 Dec 10 18:19:53 +0000
Zend_Date::RFC_850 Saturday, 25-Dec-10 18:19:53 UTC
Zend_Date::RFC_1036 Sat, 25 Dec 10 18:19:53 +0000
Zend_Date::RFC_1123 Sat, 25 Dec 2010 18:19:53 +0000
Zend_Date::RFC_3339 2010-12-25T18:19:53+00:00
Zend_Date::RSS Sat, 25 Dec 2010 18:19:53 +0000
Zend_Date::W3C 2010-12-25T18:19:53+00:00

You can generate a table like this yourself using reflection feature of PHP.

<?php
class = new ReflectionClass('Zend_Date');
$dateConstants = $class->getConstants();
$date = new Zend_Date();
  
echo "<table>";
foreach ($dateConstants as $dateConstantKey=>$dateConstantValue){
    echo "<tr>";
    echo "<td>Zend_Date::";
    echo $dateConstantKey;
    echo "</td>";
    echo "<td>";
    echo $date->get($dateConstantValue);
    echo "</td>";
    echo "</tr>";
}
echo "</table>";

?>

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About the author

Sudheer is an entrepreneur and software developer. Get more from Sudheer on Twitter.


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