PHP/Date/strftime — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 13:37, 26 мая 2010
Содержание
- 1 Checking for the day of the week
- 2 Finding days of the week, month, and year
- 3 Finding the current date and time
- 4 Format Characters Used by the strftime() Function for Day
- 5 Format Characters Used by the strftime() Function for Formatting Characters
- 6 Format Characters Used by the strftime() Function for Full Date and/or Time
- 7 Format Characters Used by the strftime() Function for Hour
- 8 Format Characters Used by the strftime() Function for Minute
- 9 Format Characters Used by the strftime() Function for Month
- 10 Format Characters Used by the strftime() Function for Second
- 11 Format Characters Used by the strftime() Function for Week
- 12 Format Characters Used by the strftime() Function for Year
- 13 Generating the days in a month
- 14 Generating the days in a week
- 15 Printing a formatted date string with strftime()
- 16 Printing a formatted time string with other text
- 17 Printing a greeting or printing a form
- 18 Skip ahead one day to the Tuesday after the first Monday
- 19 strftime.php
Checking for the day of the week
<source lang="html4strict">
<?php if (1 == date("w")) {
print "Welcome to the beginning of your work week.";
} if (1 == strftime("%w")) {
print "Only 4 more days until the weekend!";
}
</source>
Finding days of the week, month, and year
<source lang="html4strict">
<?php print strftime("Today is day %d of the month and %j of the year."); print "Today is day ".date("d")." of the month and ".date("z")." of the year."; ?>
</source>
Finding the current date and time
<source lang="html4strict">
<?php print strftime("%c"); print "\n"; print date("r"); ?>
</source>
Format Characters Used by the strftime() Function for Day
<source lang="html4strict">
Character Description %A Full weekday name. %a Abbreviated weekday name. %u Weekday number (1 = Monday, 7 = Saturday). %d Day of the month, with leading zero. %e Day of the month, with leading space. %j Day of the year (001�366). Note that numbering begins with 1 and not 0.
</source>
Format Characters Used by the strftime() Function for Formatting Characters
<source lang="html4strict">
Character Description %n New line. %t Tab. %% The percent character.
</source>
Format Characters Used by the strftime() Function for Full Date and/or Time
<source lang="html4strict">
Character Description %c Preferred date and time representation for the current locale. %D Current date; equivalent to %m/%d/%y. %p a.m./p.m. indicator. %R Time in 24-hour notation. %r Time in 12-hour (am/pm) notation. %T Current time; equivalent to %H:%M:%S. %x Preferred date representation. %X Preferred time representation. %z or %Z Time zone.
</source>
Format Characters Used by the strftime() Function for Hour
<source lang="html4strict">
Character Description %H Hour (00�23). %I Hour (01�12)
</source>
Format Characters Used by the strftime() Function for Minute
<source lang="html4strict">
Character Description %M Minute.
</source>
Format Characters Used by the strftime() Function for Month
<source lang="html4strict">
Character Description %B Full name of the month. %b or %h Abbreviated name of the month. %m Number of the month, with leading zero.
</source>
Format Characters Used by the strftime() Function for Second
<source lang="html4strict">
Character Description %S Second.
</source>
Format Characters Used by the strftime() Function for Week
<source lang="html4strict">
Character Description %U Number of the week of the year, with Sunday as the first day of the week. %V ISO-8601 number of the week of the year, with Monday as the first day of the week (01�53). %W Number of the week of the year, with Monday as the first day of the week (decimal number).
</source>
Format Characters Used by the strftime() Function for Year
<source lang="html4strict">
Character Description %g Two-digit year for ISO-8601 week of the year. %G Four-digit year for ISO-8601 week of the year. %y Two-digit year. %Y Four-digit year.
</source>
Generating the days in a month
<source lang="html4strict">
<?php $now = time(); if (3 < strftime("%H", $now)) { $now += 7200; } $this_month = strftime("%m",$now); $day = mktime(0,0,0,$this_month,1); $month_end = mktime(0,0,0,$this_month+1,1); while ($day < $month_end) {
print strftime("%c",$day); $day += 86400;
} ?>
</source>
Generating the days in a week
<source lang="html4strict">
<?php $now = time(); if (3 < strftime("%H", $now)) { $now += 7200; } $today = strftime("%w", $now); $start_day = $now - (86400 * $today); for ($i = 0; $i < 7; $i++) {
print strftime("%c",$start_day + 86400 * $i);
} ?>
</source>
Printing a formatted date string with strftime()
<source lang="html4strict">
<? print strftime("%m/%d/%y"); ?>
</source>
Printing a formatted time string with other text
<source lang="html4strict">
<? print "strftime() says: "; print strftime("Today is %m/%d/%y and the time is %I:%M:%S"); print "\n"; print "date() says: "; print "Today is " . date("m/d/y") . " and the time is " . date("h:i:s"); ?>
</source>
Printing a greeting or printing a form
<source lang="html4strict">
<?php if ($_POST["user"]) {
print "Hello, "; print $_POST["user"]; print "!";
} else {
print <<<_HTML_
<form method="post" action="$_SERVER[PHP_SELF]">
Your Name: <input type="text" name="user">
<input type="submit" value="Say Hello">
</form>
_HTML_;
}
?>
</source>
Skip ahead one day to the Tuesday after the first Monday
<source lang="html4strict">
<? $monday = strtotime("Monday", $november);
$election_day = strtotime("+1 day", $monday); print strftime("Election day is %A, %B %d, %Y", $election_day); ?>
</source>
strftime.php
<source lang="html4strict">
<?php
setlocale(LC_ALL, "it_IT"); $tickets = 2; $departure_time = 1238837700; $return_time = 1239457800; $cost = 1350.99;
?>
<?php echo $tickets; ?>
<?php echo strftime("%d %B, %Y", $departure_time); ?>
<?php echo strftime("%d %B, %Y", $return_time); ?>
</source>