/**
* strings.php
*
- * Copyright (c) 1999-2004 The SquirrelMail Project Team
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This code provides various string manipulation functions that are
- * used by the rest of the Squirrelmail code.
+ * used by the rest of the SquirrelMail code.
*
* @version $Id$
* @package squirrelmail
* @return bool true when only whitespace symbols are present in test string
*/
function sm_ctype_space($string) {
- if ( preg_match('/^[\x09-\x0D]|^\x20/', $string) || $string=='') {
- return true;
- } else {
- return false;
- }
+ if ( preg_match('/^[\x09-\x0D]|^\x20/', $string) || $string=='') {
+ return true;
+ } else {
+ return false;
+ }
}
/**
while (($mypos < $length) && ($body{$mypos} == '>')) {
$mypos++;
// skip over any spaces interleaved among the cite markers
- $oldpos = $mypos;
while (($mypos < $length) && ($body{$mypos} == ' ')) {
$mypos++;
}
* Has a problem with special HTML characters, so call this before
* you do character translation.
*
- * Specifically, ' comes up as 5 characters instead of 1.
+ * Specifically, &#039; comes up as 5 characters instead of 1.
* This should not add newlines to the end of lines.
*
* @param string line the line of text to wrap, by ref
* @param int wrap the maximum line lenth
+ * @param string charset name of charset used in $line string. Available since v.1.5.1.
* @return void
*/
-function sqWordWrap(&$line, $wrap) {
+function sqWordWrap(&$line, $wrap, $charset='') {
global $languages, $squirrelmail_language;
+ // Use custom wrapping function, if translation provides it
if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_wordwrap')) {
if (mb_detect_encoding($line) != 'ASCII') {
while ($i < count($words)) {
/* Force one word to be on a line (minimum) */
$line .= $words[$i];
- $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2;
+ $line_len = strlen($beginning_spaces) + sq_strlen($words[$i],$charset) + 2;
if (isset($words[$i + 1]))
- $line_len += strlen($words[$i + 1]);
+ $line_len += sq_strlen($words[$i + 1],$charset);
$i ++;
/* Add more words (as long as they fit) */
$line .= ' ' . $words[$i];
$i++;
if (isset($words[$i]))
- $line_len += strlen($words[$i]) + 1;
+ $line_len += sq_strlen($words[$i],$charset) + 1;
else
$line_len += 1;
}
$Val *= -1;
}
- if ($Val = 0) {
+ if ($Val == 0) {
return;
}
}
/**
- * Generates a random string from the caracter set you pass in
+ * Generates a random string from the character set you pass in
*
* @param int size the size of the string to generate
* @param string chars a string containing the characters to use
// build the compose in new window link...
- // if javascript is on, use onClick event to handle it
+ // if javascript is on, use onclick event to handle it
if($javascript_on) {
sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION);
return '<a href="javascript:void(0)" onclick="comp_in_new(\''.$base_uri.$url.'\')">'. $text.'</a>';
foreach(func_get_args() as $var) {
print_r($var);
echo "\n";
+ // php has get_class_methods function that can print class methods
+ if (is_object($var)) {
+ // get class methods if $var is object
+ $aMethods=get_class_methods(get_class($var));
+ // make sure that $aMethods is array and array is not empty
+ if (is_array($aMethods) && $aMethods!=array()) {
+ echo "Object methods:\n";
+ foreach($aMethods as $method) {
+ echo '* ' . $method . "\n";
+ }
+ }
+ echo "\n";
+ }
}
$buffer = ob_get_contents(); // Grab the print_r output
ob_end_clean(); // Silently discard the output & stop buffering
* sq_htmlentities
*
* Convert all applicable characters to HTML entities.
- * Minimal php requirement - v.4.0.5
+ * Minimal php requirement - v.4.0.5.
+ *
+ * Function is designed for people that want to use full power of htmlentities() in
+ * i18n environment.
*
* @param string $string string that has to be sanitized
* @param integer $quote_style quote encoding style. Possible values (without quotes):
* Tests if string contains 8bit symbols.
*
* If charset is not set, function defaults to default_charset.
- * $default_charset global must be set correctly if $charset is
+ * $default_charset global must be set correctly if $charset is
* not used.
* @param string $string tested string
* @param string $charset charset used in a string
* @return bool true if 8bit symbols are detected
- * @since 1.5.1
+ * @since 1.5.1 and 1.4.4
*/
function sq_is8bit($string,$charset='') {
global $default_charset;
/**
* Don't use \240 in ranges. Sometimes RH 7.2 doesn't like it.
- * Don't use \200-\237 for iso-8859-x charsets. This ranges
+ * Don't use \200-\237 for iso-8859-x charsets. This range
* stores control symbols in those charsets.
* Use preg_match instead of ereg in order to avoid problems
* with mbstring overloading
* in php 5.x. Function does not test all mbstring encodings. Only the ones
* that might be used in SM translations.
*
- * Supported arrays are stored in session in order to reduce number of
+ * Supported strings are stored in session in order to reduce number of
* mb_internal_encoding function calls.
*
- * If you want to test all mbstring encodings - fill $list_of_encodings
+ * If you want to test all mbstring encodings - fill $list_of_encodings
* array.
- * @return array list of encodings supported by mbstring
+ * @return array list of encodings supported by php mbstring extension
* @since 1.5.1
*/
function sq_mb_list_encodings() {
return $supported_encodings;
}
+/**
+ * Function returns number of characters in string.
+ *
+ * Returned number might be different from number of bytes in string,
+ * if $charset is multibyte charset. Currently only utf-8 charset is
+ * supported.
+ * @param string $str string
+ * @param string $charset charset
+ * @since 1.5.1
+ * @return integer number of characters in string
+ */
+function sq_strlen($str, $charset=''){
+ // default option
+ if ($charset=='') return strlen($str);
+
+ // use automatic charset detection, if function call asks for it
+ if ($charset=='auto') {
+ global $default_charset;
+ set_my_charset();
+ $charset=$default_charset;
+ }
+
+ // lowercase charset name
+ $charset=strtolower($charset);
+
+ // set initial returned length number
+ $real_length=0;
+
+ // calculate string length according to charset
+ // function can be modulized same way we modulize decode/encode/htmlentities
+ if ($charset=='utf-8') {
+ if (function_exists('mb_strlen')) {
+ $real_length = mb_strlen($str,'utf-8');
+ } else {
+ // function needs length of string in bytes.
+ // mbstring overloading might break it
+ $str_length=strlen($str);
+ $str_index=0;
+ while ($str_index < $str_length) {
+ // start of internal utf-8 multibyte character detection
+ if (preg_match("/[\xC0-\xDF]/",$str[$str_index]) &&
+ isset($str[$str_index+1]) &&
+ preg_match("/[\x80-\xBF]/",$str[$str_index+1])) {
+ // two byte utf-8
+ $str_index=$str_index+2;
+ $real_length++;
+ } elseif (preg_match("/[\xE0-\xEF]/",$str[$str_index]) &&
+ isset($str[$str_index+2]) &&
+ preg_match("/[\x80-\xBF][\x80-\xBF]/",$str[$str_index+1].$str[$str_index+2])) {
+ // three byte utf-8
+ $str_index=$str_index+3;
+ $real_length++;
+ } elseif (preg_match("/[\xF0-\xF7]/",$str[$str_index]) &&
+ isset($str[$str_index+3]) &&
+ preg_match("/[\x80-\xBF][\x80-\xBF][\x80-\xBF]/",$str[$str_index+1].$str[$str_index+2].$str[$str_index+3])) {
+ // four byte utf-8
+ $str_index=$str_index+4;
+ $real_length++;
+ } elseif (preg_match("/[\xF8-\xFB]/",$str[$str_index]) &&
+ isset($str[$str_index+4]) &&
+ preg_match("/[\x80-\xBF][\x80-\xBF][\x80-\xBF][\x80-\xBF]/",
+ $str[$str_index+1].$str[$str_index+2].$str[$str_index+3].$str[$str_index+4])) {
+ // five byte utf-8
+ $str_index=$str_index+5;
+ $real_length++;
+ } elseif (preg_match("/[\xFC-\xFD]/",$str[$str_index]) &&
+ isset($str[$str_index+5]) &&
+ preg_match("/[\x80-\xBF][\x80-\xBF][\x80-\xBF][\x80-\xBF]/",
+ $str[$str_index+1].$str[$str_index+2].$str[$str_index+3].$str[$str_index+4].$str[$str_index+5])) {
+ // six byte utf-8
+ $str_index=$str_index+6;
+ $real_length++;
+ } else {
+ $str_index++;
+ $real_length++;
+ }
+ // end of internal utf-8 multibyte character detection
+ }
+ }
+ // end of utf-8 length detection
+ } elseif ($charset=='big5') {
+ // TODO: add big5 string length detection
+ $real_length=strlen($str);
+ } elseif ($charset=='gb2312') {
+ // TODO: add gb2312 string length detection
+ $real_length=strlen($str);
+ } elseif ($charset=='gb18030') {
+ // TODO: add gb18030 string length detection
+ $real_length=strlen($str);
+ } elseif ($charset=='euc-jp') {
+ // TODO: add euc-jp string length detection
+ $real_length=strlen($str);
+ } elseif ($charset=='euc-cn') {
+ // TODO: add euc-cn string length detection
+ $real_length=strlen($str);
+ } elseif ($charset=='euc-tw') {
+ // TODO: add euc-tw string length detection
+ $real_length=strlen($str);
+ } elseif ($charset=='euc-kr') {
+ // TODO: add euc-kr string length detection
+ $real_length=strlen($str);
+ } else {
+ $real_length=strlen($str);
+ }
+ return $real_length;
+}
+
+/**
+ * string padding with multibyte support
+ *
+ * @link http://www.php.net/str_pad
+ * @param string $string original string
+ * @param integer $width padded string width
+ * @param string $pad padding symbols
+ * @param integer $padtype padding type
+ * (internal php defines, see str_pad() description)
+ * @param string $charset charset used in original string
+ * @return string padded string
+ */
+function sq_str_pad($string, $width, $pad, $padtype, $charset='') {
+
+ $charset = strtolower($charset);
+ $padded_string = '';
+
+ switch ($charset) {
+ case 'utf-8':
+ case 'big5':
+ case 'gb2312':
+ case 'euc-kr':
+ /*
+ * all multibyte charsets try to increase width value by
+ * adding difference between number of bytes and real length
+ */
+ $width = $width - sq_strlen($string,$charset) + strlen($string);
+ default:
+ $padded_string=str_pad($string,$width,$pad,$padtype);
+ }
+ return $padded_string;
+}
$PHP_SELF = php_self();
?>
\ No newline at end of file