PHP valid_year Examples

Example #1

File: cal.php Project: romainneutron/web-php

    site_footer();
    exit;
}
// Beginning and end of this month
$bom = mktime(0, 0, 1, $cm, 1, $cy);
$eom = mktime(0, 0, 1, $cm + 1, 0, $cy);
// Link to previous month (but do not link to too early dates)
$lm = mktime(0, 0, 1, $cm, 0, $cy);
if (valid_year(date("Y", $lm))) {
    $prev_link = '<a href="/cal.php' . strftime('?cm=%m&amp;cy=%Y">%B, %Y</a>', $lm);
} else {
    $prev_link = '&nbsp;';
}
// Link to next month (but do not link to too early dates)
$nm = mktime(0, 0, 1, $cm + 1, 1, $cy);
if (valid_year(date("Y", $nm))) {
    $next_link = '<a href="/cal.php' . strftime('?cm=%m&amp;cy=%Y">%B, %Y</a>', $nm);
} else {
    $next_link = '&nbsp;';
}
// Print out navigation links for previous and next month
echo '<br /><table id="calnav" width="100%" border="0" cellspacing="0" cellpadding="3">', "\n<tr>", '<td align="left" width="33%">', $prev_link, '</td>', '<td align="center" width="33%">', strftime('<b>%B, %Y</b></td>', $bom), '<td align="right" width="33%">', $next_link, "</td></tr>\n</table>\n";
// Begin the calendar table
echo '<table id="cal" width="100%" border="1" cellspacing="0" cellpadding="3">', "\n", '<tr>', "\n";
// Print out headers for weekdays
for ($i = 0; $i < 7; $i++) {
    echo '<th width="14%">', date("l", mktime(0, 0, 1, 4, $i + 1, 2001)), "</th>\n";
}
echo "</tr>\n<tr>";
// Generate the requisite number of blank days to get things started
for ($days = $i = date("w", $bom); $i > 0; $i--) {

Example #2

File: functions.php Project: vivaserver/sys

function format_date($dd, $mm, $yy)
{
    $date = FALSE;
    $dd = trim($dd);
    $mm = trim($mm);
    $yy = trim($yy);
    if ($dd == '' && $mm == '' && $yy == '') {
        $date = NULL;
    } elseif (valid_year($yy) >= $GLOBALS['conf']['lowest_possible_year'] && $mm && $mm < 13 && $dd && $dd < 32) {
        $yy = valid_year($yy);
        $mm = $mm < 10 ? substr("0" . $mm, -2) : $mm;
        $dd = $dd < 10 ? substr("0" . $dd, -2) : $dd;
        $date = "{$yy}-{$mm}-{$dd}";
    }
    return $date;
}