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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Abstract class for the date format transformations plugins
*
* @package PhpMyAdmin-Transformations
* @subpackage DateFormat
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/* Get the transformations interface */
require_once 'libraries/plugins/TransformationsPlugin.class.php';
/**
* Provides common methods for all of the date format transformations plugins.
*
* @package PhpMyAdmin
*/
abstract class DateFormatTransformationsPlugin extends TransformationsPlugin
{
/**
* Gets the transformation description of the specific plugin
*
* @return string
*/
public static function getInfo()
{
return __(
'Displays a TIME, TIMESTAMP, DATETIME or numeric unix timestamp'
. ' column as formatted date. The first option is the offset (in'
. ' hours) which will be added to the timestamp (Default: 0). Use'
. ' second option to specify a different date/time format string.'
. ' Third option determines whether you want to see local date or'
. ' UTC one (use "local" or "utc" strings) for that. According to'
. ' that, date format has different value - for "local" see the'
. ' documentation for PHP\'s strftime() function and for "utc" it'
. ' is done using gmdate() function.'
);
}
/**
* Does the actual work of each specific transformations plugin.
*
* @param string $buffer text to be transformed
* @param array $options transformation options
* @param string $meta meta information
*
* @return string
*/
public function applyTransformation($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 {
$options[2] = strtolower($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 = $buffer;
// Detect TIMESTAMP(6 | 8 | 10 | 12 | 14)
// TIMESTAMP (2 | 4) not supported here.
// (Note: prior to MySQL 4.1, TIMESTAMP has a display size
// for example TIMESTAMP(8) means YYYYMMDD)
} else if (preg_match('/^(\d{2}){3,7}$/', $buffer)) {
if (strlen($buffer) == 14 || strlen($buffer) == 8) {
$offset = 4;
} else {
$offset = 2;
}
$d = array();
$d['year'] = substr($buffer, 0, $offset);
$d['month'] = substr($buffer, $offset, 2);
$d['day'] = substr($buffer, $offset + 2, 2);
$d['hour'] = substr($buffer, $offset + 4, 2);
$d['minute'] = substr($buffer, $offset + 6, 2);
$d['second'] = substr($buffer, $offset + 8, 2);
if (checkdate($d['month'], $d['day'], $d['year'])) {
$timestamp = mktime(
$d['hour'],
$d['minute'],
$d['second'],
$d['month'],
$d['day'],
$d['year']
);
}
// If all fails, assume one of the dozens of valid strtime() syntaxes
// (http://www.gnu.org/manual/tar-1.12/html_chapter/tar_7.html)
} else {
if (preg_match('/^[0-9]\d{1,9}$/', $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_Util::localisedDate(
$timestamp,
$options[1]
);
} elseif ($options[2] == 'utc') {
$text = gmdate($options[1], $timestamp);
} else {
$text = 'INVALID DATE TYPE';
}
$buffer = '<dfn onclick="alert(\'' . $source . '\');" title="'
. $source . '">' . $text . '</dfn>';
}
return $buffer;
}
/**
* This method is called when any PluginManager to which the observer
* is attached calls PluginManager::notify()
*
* @param SplSubject $subject The PluginManager notifying the observer
* of an update.
*
* @todo implement
* @return void
*/
public function update (SplSubject $subject)
{
;
}
/* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */
/**
* Gets the transformation name of the specific plugin
*
* @return string
*/
public static function getName()
{
return "Date Format";
}
}
?>
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