| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
- $Id: rcube_shared.inc 2313 2009-02-27 10:18:18Z thomasb $
+ $Id: rcube_shared.inc 3063 2009-10-27 09:43:39Z alec $
*/
header("Pragma: no-cache");
// We need to set the following headers to make downloads work using IE in HTTPS mode.
- if (isset($_SERVER['HTTPS'])) {
+ if (rcube_https_check()) {
header('Pragma: ');
header('Cache-Control: ');
}
foreach ($var as $key => $value)
{
// enclose key with quotes if it is not variable-name conform
- if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) || is_js_reserved_word($key))
+ if (!preg_match('/^[_a-zA-Z]{1}[_a-zA-Z0-9]*$/', $key) || is_js_reserved_word($key))
$key = "'$key'";
$pairs[] = sprintf("%s%s", $is_assoc ? "$key:" : '', json_serialize($value));
return $var ? '1' : '0';
else
return "'".JQ($var)."'";
-
}
*/
function in_array_nocase($needle, $haystack)
{
- $needle = rc_strtolower($needle);
+ $needle = mb_strtolower($needle);
foreach ($haystack as $value)
- if ($needle===rc_strtolower($value))
+ if ($needle===mb_strtolower($value))
return true;
return false;
function get_boolean($str)
{
$str = strtolower($str);
- if(in_array($str, array('false', '0', 'no', 'nein', ''), TRUE))
+ if (in_array($str, array('false', '0', 'no', 'nein', ''), TRUE))
return FALSE;
else
return TRUE;
* Parse a human readable string for a number of bytes
*
* @param string Input string
- * @return int Number of bytes
+ * @return float Number of bytes
*/
function parse_bytes($str)
{
if (is_numeric($str))
- return intval($str);
+ return floatval($str);
if (preg_match('/([0-9]+)([a-z])/i', $str, $regs))
{
}
}
- return intval($bytes);
+ return floatval($bytes);
}
/**
return $abs_path;
}
-
-/**
- * Wrapper function for strlen
- */
-function rc_strlen($str)
-{
- if (function_exists('mb_strlen'))
- return mb_strlen($str);
- else
- return strlen($str);
-}
-
-/**
- * Wrapper function for strtolower
- */
-function rc_strtolower($str)
-{
- if (function_exists('mb_strtolower'))
- return mb_strtolower($str);
- else
- return strtolower($str);
-}
-
-/**
- * Wrapper function for strtoupper
- */
-function rc_strtoupper($str)
-{
- if (function_exists('mb_strtoupper'))
- return mb_strtoupper($str);
- else
- return strtoupper($str);
-}
-
-/**
- * Wrapper function for substr
- */
-function rc_substr($str, $start, $len=null)
-{
- if (function_exists('mb_substr'))
- return mb_substr($str, $start, $len);
- else
- return substr($str, $start, $len);
-}
-
-/**
- * Wrapper function for strpos
- */
-function rc_strpos($haystack, $needle, $offset=0)
-{
- if (function_exists('mb_strpos'))
- return mb_strpos($haystack, $needle, $offset);
- else
- return strpos($haystack, $needle, $offset);
-}
-
/**
- * Wrapper function for strrpos
+ * Wrapper function for wordwrap
*/
-function rc_strrpos($haystack, $needle, $offset=0)
+function rc_wordwrap($string, $width=75, $break="\n", $cut=false)
{
- if (function_exists('mb_strrpos'))
- return mb_strrpos($haystack, $needle, $offset);
- else
- return strrpos($haystack, $needle, $offset);
+ $para = explode($break, $string);
+ $string = '';
+ while (count($para)) {
+ $list = explode(' ', array_shift($para));
+ $len = 0;
+ while (count($list)) {
+ $line = array_shift($list);
+ $l = mb_strlen($line);
+ $newlen = $len + $l + ($len ? 1 : 0);
+
+ if ($newlen <= $width) {
+ $string .= ($len ? ' ' : '').$line;
+ $len += (1 + $l);
+ } else {
+ if ($l > $width) {
+ if ($cut) {
+ $start = 0;
+ while ($l) {
+ $str = mb_substr($line, $start, $width);
+ $strlen = mb_strlen($str);
+ $string .= ($len ? $break : '').$str;
+ $start += $strlen;
+ $l -= $strlen;
+ $len = $strlen;
+ }
+ } else {
+ $string .= ($len ? $break : '').$line;
+ if (count($list)) $string .= $break;
+ $len = 0;
+ }
+ } else {
+ $string .= $break.$line;
+ $len = $l;
+ }
+ }
+ }
+ if (count($para)) $string .= $break;
+ }
+ return $string;
}
-
/**
* Read a specific HTTP request header
*
}
-/**
- * Replace the middle part of a string with ...
- * if it is longer than the allowed length
- *
- * @param string Input string
- * @param int Max. length
- * @param string Replace removed chars with this
- * @return string Abbreviated string
- */
-function abbreviate_string($str, $maxlength, $place_holder='...')
-{
- $length = rc_strlen($str);
- $first_part_length = floor($maxlength/2) - rc_strlen($place_holder);
-
- if ($length > $maxlength)
- {
- $second_starting_location = $length - $maxlength + $first_part_length + 1;
- $str = rc_substr($str, 0, $first_part_length) . $place_holder . rc_substr($str, $second_starting_location, $length);
- }
-
- return $str;
-}
-
-
/**
* Make sure the string ends with a slash
*/
}
+/**
+ * Replace the middle part of a string with ...
+ * if it is longer than the allowed length
+ *
+ * @param string Input string
+ * @param int Max. length
+ * @param string Replace removed chars with this
+ * @return string Abbreviated string
+ */
+function abbreviate_string($str, $maxlength, $place_holder='...')
+{
+ $length = mb_strlen($str);
+ $first_part_length = floor($maxlength/2) - mb_strlen($place_holder);
+
+ if ($length > $maxlength)
+ {
+ $second_starting_location = $length - $maxlength + $first_part_length + 1;
+ $str = mb_substr($str, 0, $first_part_length) . $place_holder . mb_substr($str, $second_starting_location, $length);
+ }
+
+ return $str;
+}
+
/**
* A method to guess the mime_type of an attachment.
*
return $mime_type;
}
-
/**
* A method to guess encoding of a string.
*
return $result ? $result : $failover;
}
+/**
+ * Removes non-unicode characters from input
+ *
+ * @param mixed $input String or array.
+ * @return string
+ */
+function rc_utf8_clean($input)
+{
+ // handle input of type array
+ if (is_array($input)) {
+ foreach ($input as $idx => $val)
+ $input[$idx] = rc_utf8_clean($val);
+ return $input;
+ }
+
+ if (!is_string($input) || $input == '')
+ return $input;
+
+ // iconv/mbstring are much faster (especially with long strings)
+ if (function_exists('mb_convert_encoding') && ($res = mb_convert_encoding($input, 'UTF8', 'UTF8')))
+ return $res;
+
+ if (function_exists('iconv') && ($res = iconv('UTF8', 'UTF8//IGNORE', $input)))
+ return $res;
+
+ $regexp = '/^('.
+// '[\x00-\x7F]'. // UTF8-1
+ '|[\xC2-\xDF][\x80-\xBF]'. // UTF8-2
+ '|\xE0[\xA0-\xBF][\x80-\xBF]'. // UTF8-3
+ '|[\xE1-\xEC][\x80-\xBF][\x80-\xBF]'. // UTF8-3
+ '|\xED[\x80-\x9F][\x80-\xBF]'. // UTF8-3
+ '|[\xEE-\xEF][\x80-\xBF][\x80-\xBF]'. // UTF8-3
+ '|\xF0[\x90-\xBF][\x80-\xBF][\x80-\xBF]'. // UTF8-4
+ '|[\xF1-\xF3][\x80-\xBF][\x80-\xBF][\x80-\xBF]'.// UTF8-4
+ '|\xF4[\x80-\x8F][\x80-\xBF][\x80-\xBF]'. // UTF8-4
+ ')$/';
+
+ $seq = '';
+ $out = '';
+
+ for ($i = 0, $len = strlen($input)-1; $i < $len; $i++) {
+ $chr = $input[$i];
+ $ord = ord($chr);
+ // 1-byte character
+ if ($ord <= 0x7F) {
+ if ($seq)
+ $out .= preg_match($regexp, $seq) ? $seq : '';
+ $seq = '';
+ $out .= $chr;
+ // first (or second) byte of multibyte sequence
+ } else if ($ord >= 0xC0) {
+ if (strlen($seq)>1) {
+ $out .= preg_match($regexp, $seq) ? $seq : '';
+ $seq = '';
+ } else if ($seq && ord($seq) < 0xC0) {
+ $seq = '';
+ }
+ $seq .= $chr;
+ // next byte of multibyte sequence
+ } else if ($seq) {
+ $seq .= $chr;
+ }
+ }
+
+ if ($seq)
+ $out .= preg_match($regexp, $seq) ? $seq : '';
+
+ return $out;
+}
/**
* Explode quoted string
return $result;
}
+
+/**
+ * mbstring replacement functions
+ */
+
+if (!extension_loaded('mbstring'))
+{
+ function mb_strlen($str)
+ {
+ return strlen($str);
+ }
+
+ function mb_strtolower($str)
+ {
+ return strtolower($str);
+ }
+
+ function mb_strtoupper($str)
+ {
+ return strtoupper($str);
+ }
+
+ function mb_substr($str, $start, $len=null)
+ {
+ return substr($str, $start, $len);
+ }
+
+ function mb_strpos($haystack, $needle, $offset=0)
+ {
+ return strpos($haystack, $needle, $offset);
+ }
+
+ function mb_strrpos($haystack, $needle, $offset=0)
+ {
+ return strrpos($haystack, $needle, $offset);
+ }
+}
+
?>