function temporalToHumanReadableString($value, $showoriginal_temporal = false)
{
if (strpos($value, "|") !== false) {
// temporal encoded date
$value2 = $value;
$tDate = array();
$props = explode("|", substr_replace($value2, "", 0, 1));
// remove first verticle bar and create array
foreach ($props as $prop) {
//create an assoc array
list($tag, $val) = explode("=", $prop);
$tDate[$tag] = $val;
}
switch ($tDate["TYP"]) {
case 's':
//simple
if (@$tDate['DAT']) {
$value = removeLeadingYearZeroes($tDate['DAT']);
} else {
$value = "unknown temporal format";
}
break;
case 'f':
//fuzzy
if (@$tDate['DAT']) {
$value = removeLeadingYearZeroes($tDate['DAT']) . ($tDate['RNG'] ? ' ' . convertDurationToDelta($tDate['RNG'], '±') : "");
} else {
$value = "unknown fuzzy temporal format";
}
break;
case 'c':
//carbon
$value = @$tDate['BPD'] ? '' . $tDate['BPD'] . ' BPD' : @$tDate['BCE'] ? '' . $tDate['BCE'] . ' BCE' : "";
if ($value) {
$value = $value . (@$tDate['DEV'] ? ' ' . convertDurationToDelta($tDate['DEV'], '±') : @$tDate['DVP'] ? ' ' . convertDurationToDelta($tDate['DVP'], '+') . (@$tDate['DVN'] ? "/ " . convertDurationToDelta($tDate['DVN'], '-') : "") : @$tDate['DVN'] ? " " . convertDurationToDelta($tDate['DVN'], '-') : "");
} else {
$value = "unknown carbon temporal format";
}
break;
case 'p':
//probability range
if (@$tDate['PDB'] && @$tDate['PDE']) {
$value = "" . removeLeadingYearZeroes($tDate['PDB']) . " - " . removeLeadingYearZeroes($tDate['PDE']);
} else {
if (@$tDate['TPQ'] && @$tDate['TAQ']) {
$value = "" . removeLeadingYearZeroes($tDate['TPQ']) . " - " . removeLeadingYearZeroes($tDate['TAQ']);
} else {
$value = "unknown probability range temporal format";
}
}
break;
}
if ($showoriginal_temporal) {
$value .= " [ {$value2} ]";
}
} else {
$value = removeLeadingYearZeroes($value);
}
return $value;
}
function validateAndConvertToISO($value)
{
if (strpos($value, "|") !== false) {
// temporal encoded date
return 'Temporal';
} else {
//$date = parseDateTime($value);
//return @$date['year'].'-'.@$date['month'].'-'.@$date['day'];
return removeLeadingYearZeroes($value, false, true);
}
}
