$value) {
$result .= $name.'='.urlencode($value).'&'.$querystring;
}
$querystring = substr($result, 0, strlen($result)-1);
return htmlspecialchars($result);
} else {
return urlencode($data);
}
}
static function hyphenize ($string) {
$rules = array('/[^\w\s-]+/'=>'','/\s+/'=>'-', '/-{2,}/'=>'-');
$string = preg_replace(array_keys($rules), $rules, trim($string));
return $string = trim(strtolower($string));
}
static function urlize($url, $truncate = false) {
if (preg_match('/^(http|https|ftp:\/\/([^\s"\']+))/i', $url, $match))
$url = "". ($truncate ? truncate($url,$truncate): $url).'';
return $url;
}
static function set_default($object, $default) {
return !$object ? $default : $object;
}
}
class StringFilters extends FilterCollection {
static function humanize($string) {
$string = preg_replace('/\s+/', ' ', trim(preg_replace('/[^A-Za-z0-9()!,?$]+/', ' ', $string)));
return capfirst($string);
}
static function capitalize($string) {
return ucwords(strtolower($string)) ;
}
static function titlize($string) {
return self::capitalize($string);
}
static function capfirst($string) {
$string = strtolower($string);
return strtoupper($string{0}). substr($string, 1, strlen($string));
}
static function tighten_space($value) {
return preg_replace("/\s{2,}/", ' ', $value);
}
static function escape($value, $attribute = false) {
return htmlspecialchars($value, $attribute ? ENT_QUOTES : ENT_NOQUOTES);
}
static function force_escape($value, $attribute = false) {
return self::escape($value, $attribute);
}
static function e($value, $attribute = false) {
return self::escape($value, $attribute);
}
static function safe($value) {
return $value;
}
static function truncate ($string, $max = 50, $ends = '...') {
return (strlen($string) > $max ? substr($string, 0, $max).$ends : $string);
}
static function limitwords($text, $limit = 50, $ends = '...') {
if (strlen($text) > $limit) {
$words = str_word_count($text, 2);
$pos = array_keys($words);
if (isset($pos[$limit])) {
$text = substr($text, 0, $pos[$limit]) . $ends;
}
}
return $text;
}
}
class NumberFilters extends FilterCollection {
static function filesize ($bytes, $round = 1) {
if ($bytes === 0)
return '0 bytes';
elseif ($bytes === 1)
return '1 byte';
$units = array(
'bytes' => pow(2, 0), 'kB' => pow(2, 10),
'BM' => pow(2, 20), 'GB' => pow(2, 30),
'TB' => pow(2, 40), 'PB' => pow(2, 50),
'EB' => pow(2, 60), 'ZB' => pow(2, 70)
);
$lastUnit = 'bytes';
foreach ($units as $unitName => $unitFactor) {
if ($bytes >= $unitFactor) {
$lastUnit = $unitName;
} else {
$number = round( $bytes / $units[$lastUnit], $round );
return number_format($number) . ' ' . $lastUnit;
}
}
}
static function currency($amount, $currency = 'USD', $precision = 2, $negateWithParentheses = false) {
$definition = array(
'EUR' => array('�','.',','), 'GBP' => '�', 'JPY' => '�',
'USD'=>'$', 'AU' => '$', 'CAN' => '$'
);
$negative = false;
$separator = ',';
$decimals = '.';
$currency = strtoupper($currency);
// Is negative
if (strpos('-', $amount) !== false) {
$negative = true;
$amount = str_replace("-","",$amount);
}
$amount = (float) $amount;
if (!$negative) {
$negative = $amount < 0;
}
if ($negateWithParentheses) {
$amount = abs($amount);
}
// Get rid of negative zero
$zero = round(0, $precision);
if (round($amount, $precision) === $zero) {
$amount = $zero;
}
if (isset($definition[$currency])) {
$symbol = $definition[$currency];
if (is_array($symbol))
@list($symbol, $separator, $decimals) = $symbol;
} else {
$symbol = $currency;
}
$amount = number_format($amount, $precision, $decimals, $separator);
return $negateWithParentheses ? "({$symbol}{$amount})" : "{$symbol}{$amount}";
}
}
class HtmlFilters extends FilterCollection {
static function base_url($url, $options = array()) {
return $url;
}
static function asset_url($url, $options = array()) {
return self::base_url($url, $options);
}
static function image_tag($url, $options = array()) {
$attr = self::htmlAttribute(array('alt','width','height','border'), $options);
return sprintf('
', $url, $attr);
}
static function css_tag($url, $options = array()) {
$attr = self::htmlAttribute(array('media'), $options);
return sprintf('', $url, $attr);
}
static function script_tag($url, $options = array()) {
return sprintf('', $url);
}
static function links_to($text, $url, $options = array()) {
$attrs = self::htmlAttribute(array('ref'), $options);
$url = self::base_url($url, $options);
return sprintf('%s', $url, $attrs, $text);
}
static function links_with ($url, $text, $options = array()) {
return self::links_to($text, $url, $options);
}
static function strip_tags($text) {
$text = preg_replace(array('//'), array(' <', '> '),$text);
return strip_tags($text);
}
static function linebreaks($value, $format = 'p') {
if ($format === 'br')
return HtmlFilters::nl2br($value);
return HtmlFilters::nl2pbr($value);
}
static function nl2br($value) {
return str_replace("\n", "
\n", $value);
}
static function nl2pbr($value) {
$result = array();
$parts = preg_split('/(\r?\n){2,}/m', $value);
foreach ($parts as $part) {
array_push($result, '' . HtmlFilters::nl2br($part) . '
');
}
return implode("\n", $result);
}
protected static function htmlAttribute($attrs = array(), $data = array()) {
$attrs = self::extract(array_merge(array('id', 'class', 'title', "style"), $attrs), $data);
$result = array();
foreach ($attrs as $name => $value) {
$result[] = "{$name}=\"{$value}\"";
}
return join(' ', $result);
}
protected static function extract($attrs = array(), $data=array()) {
$result = array();
if (empty($data)) return array();
foreach($data as $k => $e) {
if (in_array($k, $attrs)) $result[$k] = $e;
}
return $result;
}
}
class DatetimeFilters extends FilterCollection {
static function date($time, $format = 'jS F Y H:i') {
if ($time instanceof DateTime)
$time = (int) $time->format('U');
if (!is_numeric($time))
$time = strtotime($time);
return date($format, $time);
}
static function relative_time($timestamp, $format = 'g:iA') {
if ($timestamp instanceof DateTime)
$timestamp = (int) $timestamp->format('U');
$timestamp = is_numeric($timestamp) ? $timestamp: strtotime($timestamp);
$time = mktime(0, 0, 0);
$delta = time() - $timestamp;
$string = '';
if ($timestamp < $time - 86400) {
return date("F j, Y, g:i a", $timestamp);
}
if ($delta > 86400 && $timestamp < $time) {
return "Yesterday at " . date("g:i a", $timestamp);
}
if ($delta > 7200)
$string .= floor($delta / 3600) . " hours, ";
else if ($delta > 3660)
$string .= "1 hour, ";
else if ($delta >= 3600)
$string .= "1 hour ";
$delta %= 3600;
if ($delta > 60)
$string .= floor($delta / 60) . " minutes ";
else
$string .= $delta . " seconds ";
return "$string ago";
}
static function relative_date($time) {
if ($time instanceof DateTime)
$time = (int) $time->format('U');
$time = is_numeric($time) ? $time: strtotime($time);
$today = strtotime(date('M j, Y'));
$reldays = ($time - $today)/86400;
if ($reldays >= 0 && $reldays < 1)
return 'today';
else if ($reldays >= 1 && $reldays < 2)
return 'tomorrow';
else if ($reldays >= -1 && $reldays < 0)
return 'yesterday';
if (abs($reldays) < 7) {
if ($reldays > 0) {
$reldays = floor($reldays);
return 'in ' . $reldays . ' day' . ($reldays != 1 ? 's' : '');
} else {
$reldays = abs(floor($reldays));
return $reldays . ' day' . ($reldays != 1 ? 's' : '') . ' ago';
}
}
if (abs($reldays) < 182)
return date('l, F j',$time ? $time : time());
else
return date('l, F j, Y',$time ? $time : time());
}
static function relative_datetime($time) {
$date = self::relative_date($time);
if ($date === 'today')
return self::relative_time($time);
return $date;
}
}
/* Ultizie php funciton as Filters */
h2o::addFilter(array('md5', 'sha1', 'numberformat'=>'number_format', 'wordwrap', 'trim', 'upper' => 'strtoupper', 'lower' => 'strtolower'));
/* Add filter collections */
h2o::addFilter(array('CoreFilters', 'StringFilters', 'NumberFilters', 'DatetimeFilters', 'HtmlFilters'));
/* Alias default to set_default */
h2o::addFilter('default', array('CoreFilters', 'set_default'));
?>