public function applyTransformation($buffer, $options = array(), $meta = '')
{
// possibly use a global transform and feed it with special options
// further operations on $buffer using the $options[] array.
if (empty($options[0])) {
$options[0] = 0;
}
if (empty($options[2])) {
$options[2] = 'local';
} else {
$options[2] = mb_strtolower($options[2]);
}
if (empty($options[1])) {
if ($options[2] == 'local') {
$options[1] = __('%B %d, %Y at %I:%M %p');
} else {
$options[1] = 'Y-m-d H:i:s';
}
}
$timestamp = -1;
// INT columns will be treated as UNIX timestamps
// and need to be detected before the verification for
// MySQL TIMESTAMP
if ($meta->type == 'int') {
$timestamp = $buffer;
// Detect TIMESTAMP(6 | 8 | 10 | 12 | 14)
// TIMESTAMP (2 | 4) not supported here.
// (Note: prior to MySQL 4.1, TIMESTAMP has a display size
// for example TIMESTAMP(8) means YYYYMMDD)
} else {
if (preg_match('/^(\\d{2}){3,7}$/', $buffer)) {
if (mb_strlen($buffer) == 14 || mb_strlen($buffer) == 8) {
$offset = 4;
} else {
$offset = 2;
}
$aDate = array();
$aDate['year'] = (int) mb_substr($buffer, 0, $offset);
$aDate['month'] = (int) mb_substr($buffer, $offset, 2);
$aDate['day'] = (int) mb_substr($buffer, $offset + 2, 2);
$aDate['hour'] = (int) mb_substr($buffer, $offset + 4, 2);
$aDate['minute'] = (int) mb_substr($buffer, $offset + 6, 2);
$aDate['second'] = (int) mb_substr($buffer, $offset + 8, 2);
if (checkdate($aDate['month'], $aDate['day'], $aDate['year'])) {
$timestamp = mktime($aDate['hour'], $aDate['minute'], $aDate['second'], $aDate['month'], $aDate['day'], $aDate['year']);
}
// If all fails, assume one of the dozens of valid strtime() syntaxes
// (https://www.gnu.org/manual/tar-1.12/html_chapter/tar_7.html)
} else {
if (preg_match('/^[0-9]\\d{1,9}$/', $buffer)) {
$timestamp = (int) $buffer;
} else {
$timestamp = strtotime($buffer);
}
}
}
// If all above failed, maybe it's a Unix timestamp already?
if ($timestamp < 0 && preg_match('/^[1-9]\\d{1,9}$/', $buffer)) {
$timestamp = $buffer;
}
// Reformat a valid timestamp
if ($timestamp >= 0) {
$timestamp -= $options[0] * 60 * 60;
$source = $buffer;
if ($options[2] == 'local') {
$text = PMA\libraries\Util::localisedDate($timestamp, $options[1]);
} elseif ($options[2] == 'utc') {
$text = gmdate($options[1], $timestamp);
} else {
$text = 'INVALID DATE TYPE';
}
return '<dfn onclick="alert(\'' . Sanitize::jsFormat($source, false) . '\');" title="' . htmlspecialchars($source) . '">' . htmlspecialchars($text) . '</dfn>';
} else {
return htmlspecialchars($buffer);
}
}