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authorjwangen <jwangen>2002-10-28 05:20:08 +0000
committerjwangen <jwangen>2002-10-28 05:20:08 +0000
commit328a925bafcd69ecfda5fc8101e1a0dc667c5434 (patch)
treef03fe04d6b8fe194f0c0cd5307f44a4419fc19fc /functions/date_functions.php
parent0c7763fe4fd132ef293e37382537f9b4a246a1dc (diff)
downloadphpicalendar-328a925bafcd69ecfda5fc8101e1a0dc667c5434.tar.gz
phpicalendar-328a925bafcd69ecfda5fc8101e1a0dc667c5434.tar.bz2
phpicalendar-328a925bafcd69ecfda5fc8101e1a0dc667c5434.zip
spruced up search, fixed a few bugs in sidebar and month_bottom, and a
few various changes in the parser and date_functions
Diffstat (limited to 'functions/date_functions.php')
-rw-r--r--functions/date_functions.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/functions/date_functions.php b/functions/date_functions.php
index 4683caa..893e61a 100644
--- a/functions/date_functions.php
+++ b/functions/date_functions.php
@@ -1 +1 @@
-<?php // date_functions.php // functions for returning or comparing dates // not a date function, but I didn't know where to put it // for backwards compatibility if (phpversion() < '4.1') { function array_key_exists($key, $arr) { if (!is_array($arr)) return false; foreach (array_keys($arr) as $k) { if ("$k" == "$key") return true; } return false; } } // takes Apple's 2 character day format and makes it into 3 characters function two2threeCharDays($day) { switch($day) { case 'SU': $day_longer = 'sun'; break; case 'MO': $day_longer = 'mon'; break; case 'TU': $day_longer = 'tue'; break; case 'WE': $day_longer = 'wed'; break; case 'TH': $day_longer = 'thu'; break; case 'FR': $day_longer = 'fri'; break; case 'SA': $day_longer = 'sat'; break; } return $day_longer; } // dateOfWeek() takes a date in Ymd and a day of week in 3 letters or more // and returns the date of that day. (ie: "sun" or "sunday" would be acceptable values of $day but not "su") function dateOfWeek($Ymd, $day) { global $week_start_day; if (!isset($week_start_day)) $week_start_day = 'Sunday'; $timestamp = strtotime($Ymd); $num = date('w', strtotime($week_start_day)); $start_day_time = strtotime((date('w',$timestamp)==$num ? "$week_start_day" : "last $week_start_day"), $timestamp); $ret_unixtime = strtotime($day,$start_day_time); $ret_unixtime = strtotime('+12 hours', $ret_unixtime); $ret = date('Ymd',$ret_unixtime); return $ret; } // function to compare to dates in Ymd and return the number of weeks // that differ between them. requires dateOfWeek() function weekCompare($now, $then) { global $week_start_day; $sun_now = dateOfWeek($now, $week_start_day); $sun_then = dateOfWeek($then, $week_start_day); $seconds_now = strtotime($sun_now); $seconds_then = strtotime($sun_then); $diff_seconds = $seconds_now - $seconds_then; $diff_minutes = $diff_seconds/60; $diff_hours = $diff_minutes/60; $diff_days = round($diff_hours/24); $diff_weeks = $diff_days/7; return $diff_weeks; } // function to compare to dates in Ymd and return the number of days // that differ between them. function dayCompare($now, $then) { $seconds_now = strtotime($now); $seconds_then = strtotime($then); $diff_seconds = $seconds_now - $seconds_then; $diff_minutes = $diff_seconds/60; $diff_hours = $diff_minutes/60; $diff_days = round($diff_hours/24); return $diff_days; } // function to compare to dates in Ymd and return the number of months // that differ between them. function monthCompare($now, $then) { ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $now, $date_now); ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $then, $date_then); $diff_years = $date_now[1] - $date_then[1]; $diff_months = $date_now[2] - $date_then[2]; if ($date_now[2] < $date_then[2]) { $diff_years -= 1; $diff_months = ($diff_months + 12) % 12; } $diff_months = ($diff_years * 12) + $diff_months; return $diff_months; } function yearCompare($now, $then) { ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $now, $date_now); ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $then, $date_then); $diff_years = $date_now[1] - $date_then[1]; return $diff_years; } // localizeDate() - similar to strftime but uses our preset arrays of localized // months and week days and only supports %A, %a, %B, %b, %e, and %Y // more can be added as needed but trying to keep it small while we can function localizeDate($format, $timestamp) { global $daysofweek_lang, $daysofweekshort_lang, $daysofweekreallyshort_lang, $monthsofyear_lang, $monthsofyear_lang, $monthsofyearshort_lang; $year = date("Y", $timestamp); $month = date("n", $timestamp)-1; $day = date("j", $timestamp); $dayofweek = date("w", $timestamp); $date = str_replace('%Y', $year, $format); $date = str_replace('%e', $day, $date); $date = str_replace('%B', $monthsofyear_lang[$month], $date); $date = str_replace('%b', $monthsofyearshort_lang[$month], $date); $date = str_replace('%A', $daysofweek_lang[$dayofweek], $date); $date = str_replace('%a', $daysofweekshort_lang[$dayofweek], $date); return $date; } // calcOffset takes an offset (ie, -0500) and returns it in the number of seconds function calcOffset($offset_str) { $sign = substr($offset_str, 0, 1); $hours = substr($offset_str, 1, 2); $mins = substr($offset_str, 3, 2); $secs = ((int)$hours * 3600) + ((int)$mins * 60); if ($sign == '-') $secs = 0 - $secs; return $secs; } // calcTime calculates the unixtime of a new offset by comparing it to the current offset // $have is the current offset (ie, '-0500') // $want is the wanted offset (ie, '-0700') // $time is the unixtime relative to $have function calcTime($have, $want, $time) { if ($have == 'none' || $want == 'none') return $time; $have_secs = calcOffset($have); $want_secs = calcOffset($want); $diff = $want_secs - $have_secs; $time += $diff; return $time; } function chooseOffset($time) { global $timezone, $tz_array; if (!isset($timezone)) $timezone = ''; switch ($timezone) { case '': $offset = 'none'; break; case 'Same as Server': $offset = date('O', $time); break; default: if (is_array($tz_array) && array_key_exists($timezone, $tz_array)) { $dlst = date('I', $time); $offset = $tz_array[$timezone][$dlst]; } else { $offset = '+0000'; } } return $offset; } ?> \ No newline at end of file
+<?php // date_functions.php // functions for returning or comparing dates // not a date function, but I didn't know where to put it // for backwards compatibility if (phpversion() < '4.1') { function array_key_exists($key, $arr) { if (!is_array($arr)) return false; foreach (array_keys($arr) as $k) { if ("$k" == "$key") return true; } return false; } } // takes iCalendar 2 day format and makes it into 3 characters // if $txt is true, it returns the 3 letters, otherwise it returns the // integer of that day; 0=Sun, 1=Mon, etc. function two2threeCharDays($day, $txt=true) { switch($day) { case 'SU': return ($txt ? 'sun' : '0'); case 'MO': return ($txt ? 'mon' : '1'); case 'TU': return ($txt ? 'tue' : '2'); case 'WE': return ($txt ? 'wed' : '3'); case 'TH': return ($txt ? 'thu' : '4'); case 'FR': return ($txt ? 'fri' : '5'); case 'SA': return ($txt ? 'sat' : '6'); } } // dateOfWeek() takes a date in Ymd and a day of week in 3 letters or more // and returns the date of that day. (ie: "sun" or "sunday" would be acceptable values of $day but not "su") function dateOfWeek($Ymd, $day) { global $week_start_day; if (!isset($week_start_day)) $week_start_day = 'Sunday'; $timestamp = strtotime($Ymd); $num = date('w', strtotime($week_start_day)); $start_day_time = strtotime((date('w',$timestamp)==$num ? "$week_start_day" : "last $week_start_day"), $timestamp); $ret_unixtime = strtotime($day,$start_day_time); $ret_unixtime = strtotime('+12 hours', $ret_unixtime); $ret = date('Ymd',$ret_unixtime); return $ret; } // function to compare to dates in Ymd and return the number of weeks // that differ between them. requires dateOfWeek() function weekCompare($now, $then) { global $week_start_day; $sun_now = dateOfWeek($now, $week_start_day); $sun_then = dateOfWeek($then, $week_start_day); $seconds_now = strtotime($sun_now); $seconds_then = strtotime($sun_then); $diff_seconds = $seconds_now - $seconds_then; $diff_minutes = $diff_seconds/60; $diff_hours = $diff_minutes/60; $diff_days = round($diff_hours/24); $diff_weeks = $diff_days/7; return $diff_weeks; } // function to compare to dates in Ymd and return the number of days // that differ between them. function dayCompare($now, $then) { $seconds_now = strtotime($now); $seconds_then = strtotime($then); $diff_seconds = $seconds_now - $seconds_then; $diff_minutes = $diff_seconds/60; $diff_hours = $diff_minutes/60; $diff_days = round($diff_hours/24); return $diff_days; } // function to compare to dates in Ymd and return the number of months // that differ between them. function monthCompare($now, $then) { ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $now, $date_now); ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $then, $date_then); $diff_years = $date_now[1] - $date_then[1]; $diff_months = $date_now[2] - $date_then[2]; if ($date_now[2] < $date_then[2]) { $diff_years -= 1; $diff_months = ($diff_months + 12) % 12; } $diff_months = ($diff_years * 12) + $diff_months; return $diff_months; } function yearCompare($now, $then) { ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $now, $date_now); ereg ("([0-9]{4})([0-9]{2})([0-9]{2})", $then, $date_then); $diff_years = $date_now[1] - $date_then[1]; return $diff_years; } // localizeDate() - similar to strftime but uses our preset arrays of localized // months and week days and only supports %A, %a, %B, %b, %e, and %Y // more can be added as needed but trying to keep it small while we can function localizeDate($format, $timestamp) { global $daysofweek_lang, $daysofweekshort_lang, $daysofweekreallyshort_lang, $monthsofyear_lang, $monthsofyear_lang, $monthsofyearshort_lang; $year = date("Y", $timestamp); $month = date("n", $timestamp)-1; $day = date("j", $timestamp); $dayofweek = date("w", $timestamp); $date = str_replace('%Y', $year, $format); $date = str_replace('%e', $day, $date); $date = str_replace('%B', $monthsofyear_lang[$month], $date); $date = str_replace('%b', $monthsofyearshort_lang[$month], $date); $date = str_replace('%A', $daysofweek_lang[$dayofweek], $date); $date = str_replace('%a', $daysofweekshort_lang[$dayofweek], $date); return $date; } // calcOffset takes an offset (ie, -0500) and returns it in the number of seconds function calcOffset($offset_str) { $sign = substr($offset_str, 0, 1); $hours = substr($offset_str, 1, 2); $mins = substr($offset_str, 3, 2); $secs = ((int)$hours * 3600) + ((int)$mins * 60); if ($sign == '-') $secs = 0 - $secs; return $secs; } // calcTime calculates the unixtime of a new offset by comparing it to the current offset // $have is the current offset (ie, '-0500') // $want is the wanted offset (ie, '-0700') // $time is the unixtime relative to $have function calcTime($have, $want, $time) { if ($have == 'none' || $want == 'none') return $time; $have_secs = calcOffset($have); $want_secs = calcOffset($want); $diff = $want_secs - $have_secs; $time += $diff; return $time; } function chooseOffset($time) { global $timezone, $tz_array; if (!isset($timezone)) $timezone = ''; switch ($timezone) { case '': $offset = 'none'; break; case 'Same as Server': $offset = date('O', $time); break; default: if (is_array($tz_array) && array_key_exists($timezone, $tz_array)) { $dlst = date('I', $time); $offset = $tz_array[$timezone][$dlst]; } else { $offset = '+0000'; } } return $offset; } ?> \ No newline at end of file

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