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date in php
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>PHP Important Date Functions</title> | |
| </head> | |
| <body> | |
| <p>For PHP Date Functions, visit <a href="http://www.w3schools.com/php/php_ref_date.asp">W3schools PHP 5 Date/Time Functions</a></p> | |
| <p>For PHP Calendar Functions, visit <a href="http://www.w3schools.com/php/php_ref_calendar.asp">W3schools PHP 5 Calendar Functions</a></p> | |
| <?php | |
| echo '<strong>'.'date_create( ) Function:'.'</strong>'.'<br>'; | |
| $date1=date_create("2013-12-02"); | |
| var_dump($date1); | |
| $date2=date_create("1983-08-27"); | |
| var_dump($date2); | |
| echo $date1->date.'<br>'; | |
| echo $date2->date.'<br>'; | |
| echo '<br>'.'<strong>'.'date_format( ) Function:'.'</strong>'.'<br>'.'<br>'; | |
| echo date_format($date1,"Y/m/d"); | |
| echo "<br>"; | |
| echo date_format($date2,"Y/m/d").'<br>'; | |
| $date1_updated=date_format($date1,"Y-m-d"); | |
| $date2_updated=date_format($date2,"Y-m-d"); | |
| echo '<br>'.'<strong>'.'date_diff( ) Function:'.'</strong>'.'<br>'.'<br>'; | |
| $diff=date_diff($date2,$date1); | |
| var_dump($diff); | |
| echo 'Date 1 is '.$date1_updated. ' & date 2 is '.$date2_updated.'<br>'; | |
| echo 'The Difference between above 2 dates is:'.'<br>'. | |
| 'Years: '.$diff->y.'<br>'.'days: '.$diff->d.'<br>'. | |
| 'Months: '.$diff->m.'<br>'.'Count of days: '.$diff->days.'<br>'; | |
| echo '<br>'.'<strong>'.'format( ) Function:'.'</strong>'.'<br>'.'<br>'; | |
| echo $diff->format("%R%a days"); | |
| echo "<br>"; | |
| echo "<br>"; | |
| //Subtract 40 days from the 15th of March, 2013: | |
| echo '<strong>'.'date_sub( ) Function to subtract date from current date:'.'</strong>'.'<br>'.'<br>'; | |
| echo '<strong>'.'Subtract 40 days from the 15th of March, 2013:'.'</strong>'.'<br>'; | |
| $date=date_create("2013-03-15"); | |
| echo 'Date 40 days before '.date_format($date, "Y-m-d").' is:'; | |
| echo "<br>"; | |
| date_sub($date,date_interval_create_from_date_string("40 days")); | |
| echo date_format($date,"Y-m-d"); | |
| echo '<br>'.'<br>'.'<strong>'.'PHP strtotime( ) Function:'.'</strong>'.'<br>'.'<br>'; | |
| echo 'Definition and Usage: | |
| The strtotime() function parses an English textual datetime into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT). | |
| Note: If the year is specified in a two-digit format, values between 0-69 are mapped to 2000-2069 and values between 70-100 are mapped to 1970-2000. | |
| Note: Be aware of dates in the m/d/y or d-m-y formats; if the separator is a slash (/), then the American m/d/y is assumed. | |
| If the separator is a dash (-) or a dot (.), then the European d-m-y format is assumed. To avoid potential errors, you should YYYY-MM-DD dates or date_create_from_format() when possible'.'<br>'.'<strong>'.'Syntax:'.'</strong>'.'<br>'.'strtotime(time,now)'.'<br>'. | |
| 'time-->Required. Specifies a date/time string'.'<br>'. | |
| 'now--> Optional. Specifies the timestamp used as a base for the calculation of relative dates'.'<br>'.'<br>'; | |
| echo(strtotime("now") . "<br>"); | |
| echo(strtotime("3 October 2005") . "<br>"); | |
| echo(strtotime("+5 hours") . "<br>"); | |
| echo(strtotime("+1 week") . "<br>"); | |
| echo(strtotime("+1 week 3 days 7 hours 5 seconds") . "<br>"); | |
| echo(strtotime("next Monday") . "<br>"); | |
| echo(strtotime("last Sunday")).'<br>'; | |
| echo '<br>'.'<br>'.'<strong>'.'PHP date_create_from_format() Function'.'</strong>'.'<br>'.'<br>'; | |
| $date=date_create_from_format("j-M-Y","15-Mar-2013"); | |
| echo date_format($date,"Y/m/d"); | |
| echo '<br>'.'<br>'. | |
| '<strong>'.'Definition and Usage:'.'</strong>'.'<br>'.'<br>'. | |
| 'The date_create_from_format() function returns a new DateTime object formatted according to the specified format.'.'Syntax'.'<br>'.'date_create_from_format(format,time,timezone);'.'<br>'.'time-->Required. Specifies a date/time string. NULL indicates the current date/time'.'<br>'.'timezone-->Optional. Specifies the timezone of time. Default is the current timezone'.'<br>'. | |
| 'format-->Required'.'<br>'.'Specifies the format to use. The following characters can be used in the format parameter string:' .'<br>'.' | |
| d - Day of the month; with leading zeros' .'<br>'.' | |
| j - Day of the month; without leading zeros' .'<br>'.' | |
| D - Day of the month (Mon - Sun)' .'<br>'.' | |
| l - Day of the month (Monday - Sunday)' .'<br>'.' | |
| S - English suffix for day of the month (st, nd, rd, th)' .'<br>'.' | |
| F - Monthname (January - December)' .'<br>'.' | |
| M - Monthname (Jan-Dec)' .'<br>'.' | |
| m - Month (01-12)' .'<br>'.' | |
| n - Month (1-12)' .'<br>'.' | |
| Y - Year (e.g 2013)' .'<br>'.' | |
| y - Year (e.g 13)' .'<br>'.' | |
| a and A - am or pm' .'<br>'.' | |
| g - 12 hour format with leading zeros' .'<br>'.' | |
| h - 12 hour format without leading zeros' .'<br>'.' | |
| G - 24 hour format with leading zeros' .'<br>'.' | |
| H - 12 hour format without leading zeros' .'<br>'.' | |
| i - Minutes with leading zeros' .'<br>'.' | |
| s - Seconds with leading zeros' .'<br>'.' | |
| u - Microseconds (up to six digits)' .'<br>'.' | |
| e, O, P and T - Timezone identifier' .'<br>'.' | |
| U - Seconds since Unix Epoch' .'<br>'.' | |
| (space)' .'<br>'.' | |
| # - One of the following separation symbol: ;,:,/,.,,,-,(,) '.'<br>'.' | |
| ? - A random byte' .'<br>'.' | |
| * - Rondom bytes until next separator/digit' .'<br>'.' | |
| ! - Resets all fields to Unix Epoch' .'<br>'.' | |
| | - Resets all fields to Unix Epoch if they have not been parsed yet' .'<br>'.' | |
| + - If present, trailing data in the string will cause a warning, not an error' | |
| ; | |
| ?> | |
| </body> | |
| </html> |
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