Created
November 5, 2020 15:23
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Quicky to plain text calendar generation
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<?php | |
$tz = new DateTimeZone('UTC'); | |
$now = (new DateTimeImmutable('now', $tz))->setTime(12, 0, 0, 0); | |
$start = filter_input(INPUT_GET, 'start', FILTER_VALIDATE_REGEXP, ['options' => ['regexp' => '@\d{4,}-\d\d-\d\d@']]); | |
$end = filter_input(INPUT_GET, 'end', FILTER_VALIDATE_REGEXP, ['options' => ['regexp' => '@\d{4,}-\d\d-\d\d@']]); | |
if ( | |
is_string($start) && | |
($startParts = array_map('intval', explode('-', $start))) && | |
checkdate($startParts[1], $startParts[2], $startParts[0]) | |
) { | |
$start = $now->setDate($startParts[0], $startParts[1], $startParts[2]); | |
} else { | |
$start = $now->setDate(intval($now->format('Y')), 1, 1); | |
} | |
if ( | |
is_string($end) && | |
($endParts = array_map('intval', explode('-', $end))) && | |
checkdate($endParts[1], $endParts[2], $endParts[0]) | |
) { | |
$end = $now->setDate($endParts[0], $endParts[1], $endParts[2]); | |
} else { | |
$end = $now->setDate(intval($now->format('Y')), 12, 31); | |
} | |
if ($start->diff($end)->invert === 1) { | |
[$start, $end] = [$end, $start]; | |
} | |
// Set start to the Monday before: | |
$start = $start->modify(sprintf('-%d days', intval($start->format('N')) - 1)); | |
// Set end to the Sunday after: | |
$end = $end->modify(sprintf('+%d days', 7 - intval($end->format('N')))); | |
$current = $start; | |
$eol = "\n"; | |
$month = null; | |
$year = null; | |
header('Content-Type: text/plain; charset=UTF-8'); | |
echo ' M T W H F S X' . $eol; | |
echo '----------------------------' . $eol; | |
if (isset($_GET['notes'])) { | |
$eol = " ____________________________\n"; | |
} | |
while ($current->diff($end)->invert === 0) { | |
if ($current->format('N') === '1') { | |
echo $current->format('W'); | |
echo ' '; | |
if ($month !== $current->modify('+6 days')->format('M')) { | |
$month = $current->modify('+6 days')->format('M'); | |
echo strtoupper($month) . ' '; | |
} else if ($year !== $current->modify('+6 days')->format('Y')) { | |
$year = $current->modify('+6 days')->format('Y'); | |
echo $year; | |
} else { | |
echo ' '; | |
} | |
} | |
echo ' ' . $current->format('d'); | |
if ($current->format('N') === '7') { | |
echo $eol; | |
} | |
$current = $current->modify('+1 day'); | |
} |
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