function poc_csv_post_to_table($content) {
// Only run on single posts in the "schedule" category
if (!is_singular() || !has_category('schedule')) {
return $content;
}
// Split into lines
$lines = preg_split("/\r\n|\n|\r/", trim($content));
// Detect CSV
$has_csv = false;
foreach ($lines as $line) {
if (strpos($line, ',') !== false) {
$has_csv = true;
break;
}
}
if (!$has_csv) return $content;
$html = '
';
$row_index = 0;
foreach ($lines as $row) {
if (trim($row) === '') continue;
$cells = str_getcsv($row);
// Remove the first "#" column
array_shift($cells);
// Detect date rows (e.g., "3/7/2026")
if (count($cells) === 3 && preg_match('/^\d{1,2}\/\d{1,2}\/\d{4}$/', trim($cells[0]))) {
$html .= '
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