77 lines
2.6 KiB
PHP
77 lines
2.6 KiB
PHP
<?
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class calendar {
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var $date;
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function calendar($date) {
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$this->date = $date;
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}
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function display() {
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global $PHP_SELF;
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### Extract information from the given date:
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$month = date("n", $this->date);
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$year = date("Y", $this->date);
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$day = date("d", $this->date);
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### Extract first day of the month:
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$first = date("w", mktime(0, 0, 0, $month, 1, $year));
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### Extract last day of the month:
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$last = date("t", mktime(0, 0, 0, $month, 1, $year));
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### Calculate previous and next months dates:
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$prev = mktime(0, 0, 0, $month - 1, $day, $year);
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$next = mktime(0, 0, 0, $month + 1, $day, $year);
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### Generate calendar header:
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$output .= "\n<!-- calendar -->\n";
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$output .= "<TABLE WIDTH=\"100%\" BORDER=\"1\" CELLSPACING=\"0\" CELLPADDING=\"1\">\n";
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$output .= " <TR><TD ALIGN=\"center\" COLSPAN=\"7\"><SMALL><A HREF=\"$PHP_SELF?date=$prev\"><<</A> ". date("F Y", $this->date) ." <A HREF=\"$PHP_SELF?date=$next\">>></A></SMALL></TD></TR>\n";
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$output .= " <TR><TD ALIGN=\"center\"><SMALL>S</SMALL></TD><TD ALIGN=\"center\"><SMALL>M</SMALL></TD><TD ALIGN=\"center\"><SMALL>T</SMALL></TD><TD ALIGN=\"center\"><SMALL>W</SMALL></TD><TD ALIGN=\"center\"><SMALL>T</SMALL></TD><TD ALIGN=\"center\"><SMALL>F</SMALL></TD><TD ALIGN=\"center\"><SMALL>S</SMALL></TD></TR>\n";
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### Initialize temporary variables:
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$nday = 1;
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$sday = $first;
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### Loop through all the days of the month:
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while ($nday <= $last) {
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### Set up blank days for first week of the month:
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if ($first) {
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$output .= " <TR><TD COLSPAN=\"$first\"> </TD>\n";
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$first = 0;
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}
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### Start every week on a new line:
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if ($sday == 0) $output .= " <TR>\n";
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### Print one cell:
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$date = mktime(0, 0, 0, $month, $nday, $year);
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if ($nday == $day) $output .= " <TD ALIGN=\"center\"><SMALL><B>$nday</B></SMALL></TD>\n";
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else if ($date > time()) $output .= " <TD ALIGN=\"center\"><SMALL>$nday</SMALL></TD>\n";
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else $output .= " <TD ALIGN=\"center\"><SMALL><A HREF=\"$PHP_SELF?date=$date\" STYLE=\"text-decoration: none;\">$nday</A></SMALL></TD>\n";
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### Start every week on a new line:
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if ($sday == 6) $output .= " </TR>\n";
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### Update temporary variables:
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$sday++;
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$sday = $sday % 7;
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$nday++;
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}
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### Finish the calendar:
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if ($sday != 0) {
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$end = 7 - $sday;
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$output .= " <TD COLSPAN=\"$end\"> </TD>\n </TR>\n";
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}
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$output .= "</TABLE>\n\n";
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### Return calendar:
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return $output;
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}
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}
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?>
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