@ -11,7 +11,6 @@
* @package chamilo.library
*/
/**
* Constants
*/
@ -23,33 +22,40 @@ define('SPECIAL_CLOSING_TAG', '=]');
// Predefined date formats in Chamilo provided by the language sub-system.
// To be used as a parameter for the function api_format_date()
define('TIME_NO_SEC_FORMAT', 0); // 15:23
define('DATE_FORMAT_SHORT', 1); // Aug 25, 09
define('DATE_FORMAT_LONG', 2); // Monday August 25, 09
define('DATE_FORMAT_LONG_NO_DAY', 10); // August 25, 2009
define('DATE_TIME_FORMAT_LONG', 3); // Monday August 25, 2009 at 03:28 PM
define('TIME_NO_SEC_FORMAT', 0); // 15:23
define('DATE_FORMAT_SHORT', 1); // Aug 25, 09
define('DATE_FORMAT_LONG', 2); // Monday August 25, 09
define('DATE_FORMAT_LONG_NO_DAY', 10); // August 25, 2009
define('DATE_TIME_FORMAT_LONG', 3); // Monday August 25, 2009 at 03:28 PM
define('DATE_FORMAT_NUMBER', 4); // 25.08.09
define('DATE_FORMAT_NUMBER', 4); // 25.08.09
define('DATE_TIME_FORMAT_LONG_24H', 5); // August 25, 2009 at 15:28
define('DATE_TIME_FORMAT_SHORT', 6); // Aug 25, 2009 at 03:28 PM
define('DATE_TIME_FORMAT_SHORT_TIME_FIRST', 7); // 03:28 PM, Aug 25 2009
define('DATE_FORMAT_NUMBER_NO_YEAR', 8); // 25.08 dd-mm
define('DATE_FORMAT_ONLY_DAYNAME', 9); // Monday, Sunday, etc
define('DATE_TIME_FORMAT_SHORT', 6); // Aug 25, 2009 at 03:28 PM
define('DATE_TIME_FORMAT_SHORT_TIME_FIRST', 7); // 03:28 PM, Aug 25 2009
define('DATE_FORMAT_NUMBER_NO_YEAR', 8); // 25.08 dd-mm
define('DATE_FORMAT_ONLY_DAYNAME', 9); // Monday, Sunday, etc
// Formatting person's name.
define('PERSON_NAME_COMMON_CONVENTION', 0); // Formatting a person's name using the pattern as it has been
// configured in the internationalization database for every language.
// This (default) option would be the most used.
// The followind options may be used in limited number of places for overriding the common convention:
define('PERSON_NAME_WESTERN_ORDER', 1); // Formatting a person's name in Western order: first_name last_name
define('PERSON_NAME_EASTERN_ORDER', 2); // Formatting a person's name in Eastern order: last_name first_name
define('PERSON_NAME_LIBRARY_ORDER', 3); // Contextual: formatting person's name in library order: last_name, first_name
define('PERSON_NAME_EMAIL_ADDRESS', PERSON_NAME_WESTERN_ORDER); // Contextual: formatting a person's name assotiated with an email-address. Ivan: I am not sure how seems email servers an clients would interpret name order, so I assign the Western order.
define('PERSON_NAME_DATA_EXPORT', PERSON_NAME_EASTERN_ORDER); // Contextual: formatting a person's name for data-exporting operarions. For backward compatibility this format has been set to Eastern order.
// The following constants are used for tunning language detection functionality.
// Formatting a person's name using the pattern as it has been
// configured in the internationalization database for every language.
// This (default) option would be the most used.
define('PERSON_NAME_COMMON_CONVENTION', 0);
// The following options may be used in limited number of places for overriding the common convention:
// Formatting a person's name in Western order: first_name last_name
define('PERSON_NAME_WESTERN_ORDER', 1);
// Formatting a person's name in Eastern order: last_name first_name
define('PERSON_NAME_EASTERN_ORDER', 2);
// Contextual: formatting person's name in library order: last_name, first_name
define('PERSON_NAME_LIBRARY_ORDER', 3);
// Contextual: formatting a person's name assotiated with an email-address. Ivan: I am not sure how seems email servers an clients would interpret name order, so I assign the Western order.
define('PERSON_NAME_EMAIL_ADDRESS', PERSON_NAME_WESTERN_ORDER);
// Contextual: formatting a person's name for data-exporting operations. For backward compatibility this format has been set to Eastern order.
define('PERSON_NAME_DATA_EXPORT', PERSON_NAME_EASTERN_ORDER);
// The following constants are used for tuning language detection functionality.
// We reduce the text for language detection to the given number of characters
// for increaseing speed and to decrease memory consumption.
// for increasing speed and to decrease memory consumption.
define ('LANGUAGE_DETECT_MAX_LENGTH', 2000);
// Maximum allowed difference in so called delta-points for aborting certain language detection.
// The value 80000 is good enough for speed and detection accuracy.
@ -58,15 +64,12 @@ define ('LANGUAGE_DETECT_MAX_LENGTH', 2000);
define ('LANGUAGE_DETECT_MAX_DELTA', 140000);
/**
* Initialization
*/
/**
* Initialization of some internal default valies in the internationalization library.
* Initialization of some internal default values in the internationalization library.
* @return void
* Note: This function should be called only once in the global initialization script.
*/
function api_initialize_internationalization() {
function api_initialize_internationalization()
{
if (MBSTRING_INSTALLED) {
@ini_set('mbstring.func_overload', 0);
@ini_set('mbstring.encoding_translation', 0);
@ -88,6 +91,7 @@ function api_set_internationalization_default_encoding($encoding) {
_api_mb_internal_encoding($encoding);
_api_mb_regex_encoding($encoding);
_api_iconv_set_encoding('iconv_internal_encoding', $encoding);
return $result;
}
@ -680,84 +684,84 @@ function api_format_date($time, $format = null, $language = null) {
switch ($format) {
case DATE_FORMAT_ONLY_DAYNAME:
$date_format = get_lang('dateFormatOnlyDayName', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::SHORT;
$timetype = IntlDateFormatter::NONE;
}
break;
case DATE_FORMAT_NUMBER_NO_YEAR:
$date_format = get_lang('dateFormatShortNumberNoYear', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::SHORT;
$timetype = IntlDateFormatter::NONE;
}
break;
case DATE_FORMAT_NUMBER:
$date_format = get_lang('dateFormatShortNumber', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::SHORT;
$timetype = IntlDateFormatter::NONE;
}
break;
case TIME_NO_SEC_FORMAT:
$date_format = get_lang('timeNoSecFormat', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::NONE;
$timetype = IntlDateFormatter::SHORT;
}
break;
case DATE_FORMAT_SHORT:
$date_format = get_lang('dateFormatShort', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::LONG;
$timetype = IntlDateFormatter::NONE;
}
break;
case DATE_FORMAT_LONG:
$date_format = get_lang('dateFormatLong', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::FULL;
$timetype = IntlDateFormatter::NONE;
}
break;
case DATE_TIME_FORMAT_LONG:
$date_format = get_lang('dateTimeFormatLong', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::FULL;
$timetype = IntlDateFormatter::SHORT;
}
break;
case DATE_FORMAT_LONG_NO_DAY:
$date_format = get_lang('dateFormatLongNoDay', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::FULL;
$timetype = IntlDateFormatter::SHORT;
}
break;
case DATE_TIME_FORMAT_SHORT:
$date_format = get_lang('dateTimeFormatShort', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::FULL;
$timetype = IntlDateFormatter::SHORT;
}
break;
case DATE_TIME_FORMAT_SHORT_TIME_FIRST:
$date_format = get_lang('dateTimeFormatShortTimeFirst', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::FULL;
$timetype = IntlDateFormatter::SHORT;
}
break;
case DATE_TIME_FORMAT_LONG_24H:
$date_format = get_lang('dateTimeFormatLong24H', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::FULL;
$timetype = IntlDateFormatter::SHORT;
}
break;
default:
$date_format = get_lang('dateTimeFormatLong', '', $language);
if (IS_PHP_53 & & I NTL_INSTALLED) {
if (INTL_INSTALLED) {
$datetype = IntlDateFormatter::FULL;
$timetype = IntlDateFormatter::SHORT;
}
@ -766,7 +770,6 @@ function api_format_date($time, $format = null, $language = null) {
$date_format = $format;
}
//if (IS_PHP_53 & & INTL_INSTALLED & & $datetype !== null & & $timetype !== null) {
if (0) {
//if using PHP 5.3 format dates like: $dateFormatShortNumber, can't be used
//
@ -774,9 +777,6 @@ function api_format_date($time, $format = null, $language = null) {
if (is_null($language)) {
$language = api_get_language_isocode();
}
/*$date_formatter = datefmt_create($language, $datetype, $timetype, date_default_timezone_get());
$formatted_date = api_to_system_encoding(datefmt_format($date_formatter, $time), 'UTF-8');*/
$date_formatter = new IntlDateFormatter($language, $datetype, $timetype, date_default_timezone_get());
//$date_formatter->setPattern($date_format);
$formatted_date = api_to_system_encoding($date_formatter->format($time), 'UTF-8');
@ -1273,8 +1273,7 @@ function api_to_system_encoding($string, $from_encoding = null, $check_utf8_vali
if (api_is_valid_utf8($string)) {
return $string;
}
}
elseif (api_is_utf8($from_encoding)) {
} elseif (api_is_utf8($from_encoding)) {
if (!api_is_valid_utf8($string)) {
return $string;
}
@ -1315,8 +1314,7 @@ function api_htmlentities($string, $quote_style = ENT_COMPAT, $encoding = null)
if (!api_is_utf8($encoding)) { // Just in case.
$string = api_utf8_decode($string, $encoding);
}
}
elseif (_api_convert_encoding_supports($encoding)) {
} elseif (_api_convert_encoding_supports($encoding)) {
if (!api_is_utf8($encoding)) {
$string = _api_convert_encoding($string, 'UTF-8', $encoding);
}
@ -1330,7 +1328,7 @@ function api_htmlentities($string, $quote_style = ENT_COMPAT, $encoding = null)
}
/**
* Convers HTML entities into normal characters.
* Convert s HTML entities into normal characters.
* @param string $string The input string.
* @param int $quote_style (optional) The quote style - ENT_COMPAT (default), ENT_QUOTES, ENT_NOQUOTES.
* @param string $encoding (optional) The encoding (of the result) used in conversion. If it is omited, the platform character set is assumed.
@ -1355,7 +1353,7 @@ function api_html_entity_decode($string, $quote_style = ENT_COMPAT, $encoding =
}
return $string;
}
return $string; // Here the function gu ves up.
return $string; // Here the function gi ves up.
}
/**
@ -1552,15 +1550,12 @@ function api_transliterate($string, $unknown = '?', $from_encoding = null) {
}
$ord = $ord & 255;
$result .= isset($map[$bank]['en'][$ord]) ? $map[$bank]['en'][$ord] : $unknown;
$head = '';
}
elseif ($c < "\x80") {
} elseif ($c < "\x80") {
// ASCII byte.
$result .= $c;
$head = '';
}
elseif ($c < "\xc0") {
} elseif ($c < "\xc0") {
// Illegal tail bytes.
if ($head == '') {
$result .= $unknown;
@ -1744,32 +1739,11 @@ function api_str_split($string, $split_length = 1, $encoding = null) {
* @link http://php.net/manual/en/function.mb-stripos
*/
function api_stripos($haystack, $needle, $offset = 0, $encoding = null) {
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
if (!is_string($needle)) {
$needle = (int)$needle;
if (api_is_utf8($encoding)) {
$needle = _api_utf8_chr($needle);
} else {
$needle = chr($needle);
}
}
if ($needle == '') {
return false;
}
if (_api_mb_supports($encoding)) {
return @mb_stripos($haystack, $needle, $offset, $encoding);
}
elseif (api_is_encoding_supported($encoding)) {
if (MBSTRING_INSTALLED) {
if (!api_is_utf8($encoding)) {
$haystack = api_utf8_encode($haystack, $encoding);
$needle = api_utf8_encode($needle, $encoding);
}
return @mb_stripos($haystack, $needle, $offset, 'UTF-8');
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
return api_strpos(api_strtolower($haystack, $encoding), api_strtolower($needle, $encoding) , $offset, $encoding);
return mb_stripos($haystack, $needle, $offset, $encoding);
}
return stripos($haystack, $needle, $offset);
}
@ -1790,49 +1764,11 @@ function api_stripos($haystack, $needle, $offset = 0, $encoding = null) {
* @link http://php.net/manual/en/function.mb-stristr
*/
function api_stristr($haystack, $needle, $before_needle = false, $encoding = null) {
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
if (!is_string($needle)) {
$needle = (int)$needle;
if (api_is_utf8($encoding)) {
$needle = _api_utf8_chr($needle);
} else {
$needle = chr($needle);
}
}
if ($needle == '') {
return false;
}
if (_api_mb_supports($encoding)) {
return @mb_stristr($haystack, $needle, $before_needle, $encoding);
}
elseif (api_is_encoding_supported($encoding)) {
if (MBSTRING_INSTALLED) {
if (!api_is_utf8($encoding)) {
$haystack = api_utf8_encode($haystack, $encoding);
$needle = api_utf8_encode($needle, $encoding);
}
$result = @mb_stristr($haystack, $needle, $before_needle, 'UTF-8');
if ($result === false) {
return false;
}
if (!api_is_utf8($encoding)) {
return api_utf8_decode($result, $encoding);
}
return $result;
}
$result = api_strstr(api_strtolower($haystack, $encoding), api_strtolower($needle, $encoding), $before_needle, $encoding);
if ($result === false) {
return false;
}
if ($before_needle) {
return api_substr($haystack, 0, api_strlen($result, $encoding), $encoding);
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
return api_substr($haystack, api_strlen($haystack, $encoding) - api_strlen($result, $encoding), null, $encoding);
}
if (!IS_PHP_53) {
return stristr($haystack, $needle);
return mb_stristr($haystack, $needle, $before_needle, $encoding);
}
return stristr($haystack, $needle, $before_needle);
}
@ -1864,9 +1800,6 @@ function api_strlen($string, $encoding = null) {
if (_api_iconv_supports($encoding)) {
return @iconv_strlen($string, $encoding);
}
if (api_is_utf8($encoding)) {
return api_byte_count(preg_replace("/[\x80-\xBF]/", '', $string));
}
return strlen($string);
}
@ -1886,43 +1819,10 @@ function api_strpos($haystack, $needle, $offset = 0, $encoding = null) {
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
if (!is_string($needle)) {
$needle = (int)$needle;
if (api_is_utf8($encoding)) {
$needle = _api_utf8_chr($needle);
} else {
$needle = chr($needle);
}
}
if ($needle == '') {
return false;
}
if (_api_is_single_byte_encoding($encoding)) {
return strpos($haystack, $needle, $offset);
}
elseif (_api_mb_supports($encoding)) {
return @mb_strpos($haystack, $needle, $offset, $encoding);
}
elseif (api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$haystack = api_utf8_encode($haystack, $encoding);
$needle = api_utf8_encode($needle, $encoding);
}
if (MBSTRING_INSTALLED) {
return @mb_strpos($haystack, $needle, $offset, 'UTF-8');
}
if (empty($offset)) {
$haystack = explode($needle, $haystack, 2);
if (count($haystack) > 1) {
return api_strlen($haystack[0]);
}
return false;
}
$haystack = api_substr($haystack, $offset);
if (($pos = api_strpos($haystack, $needle)) !== false ) {
return $pos + $offset;
}
return false;
} elseif (_api_mb_supports($encoding)) {
return mb_strpos($haystack, $needle, $offset, $encoding);
}
return strpos($haystack, $needle, $offset);
}
@ -1946,17 +1846,6 @@ function api_strrchr($haystack, $needle, $before_needle = false, $encoding = nul
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
if (!is_string($needle)) {
$needle = (int)$needle;
if (api_is_utf8($encoding)) {
$needle = _api_utf8_chr($needle);
} else {
$needle = chr($needle);
}
}
if ($needle == '') {
return false;
}
if (_api_is_single_byte_encoding($encoding)) {
if (!$before_needle) {
return strrchr($haystack, $needle);
@ -1966,26 +1855,8 @@ function api_strrchr($haystack, $needle, $before_needle = false, $encoding = nul
return false;
}
return api_substr($haystack, 0, api_strlen($haystack, $encoding) - api_strlen($result, $encoding), $encoding);
}
elseif (_api_mb_supports($encoding)) {
return @mb_strrchr($haystack, $needle, $before_needle, $encoding);
}
elseif (MBSTRING_INSTALLED & & api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$haystack = api_utf8_encode($haystack, $encoding);
$needle = api_utf8_encode($needle, $encoding);
}
$result = @mb_strrchr($haystack, $needle, $before_needle, 'UTF-8');
if ($result === false) {
return false;
}
if (!api_is_utf8($encoding)) {
return api_utf8_decode($result, $encoding);
}
return $result;
}
if (!$before_needle) {
return strrchr($haystack, $needle);
} elseif (_api_mb_supports($encoding)) {
return mb_strrchr($haystack, $needle, $before_needle, $encoding);
}
$result = strrchr($haystack, $needle);
if ($result === false) {
@ -2030,7 +1901,8 @@ function api_strrev($string, $encoding = null) {
* @link http://php.net/manual/en/function.strripos
* @link http://php.net/manual/en/function.mb-strripos
*/
function api_strripos($haystack, $needle, $offset = 0, $encoding = null) {
function api_strripos($haystack, $needle, $offset = 0, $encoding = null)
{
return api_strrpos(api_strtolower($haystack, $encoding), api_strtolower($needle, $encoding), $offset, $encoding);
}
@ -2046,72 +1918,13 @@ function api_strripos($haystack, $needle, $offset = 0, $encoding = null) {
* @link http://php.net/manual/en/function.strrpos
* @link http://php.net/manual/en/function.mb-strrpos
*/
function api_strrpos($haystack, $needle, $offset = 0, $encoding = null) {
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
if (!is_string($needle)) {
$needle = (int)$needle;
if (api_is_utf8($encoding)) {
$needle = _api_utf8_chr($needle);
} else {
$needle = chr($needle);
}
}
if ($needle == '') {
return false;
}
if (_api_is_single_byte_encoding($encoding)) {
return strrpos($haystack, $needle, $offset);
}
if (_api_mb_supports($encoding) & & IS_PHP_52) {
return @mb_strrpos($haystack, $needle, $offset, $encoding);
} elseif (api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$haystack = api_utf8_encode($haystack, $encoding);
$needle = api_utf8_encode($needle, $encoding);
}
// In PHP 5.1 the $offset parameter didn't exist see http://php.net/manual/en/function.mb-strrpos.php
if (MBSTRING_INSTALLED & & IS_PHP_SUP_OR_EQ_51) {
//return @mb_strrpos($haystack, $needle, $offset, 'UTF-8');
//@todo fix the missing $offset parameter
return @mb_strrpos($haystack, $needle, 'UTF-8');
}
if (MBSTRING_INSTALLED & & IS_PHP_SUP_OR_EQ_52) {
return @mb_strrpos($haystack, $needle, $offset, 'UTF-8');
}
// This branch (this fragment of code) is an adaptation from the CakePHP(tm) Project, http://www.cakefoundation.org
$found = false;
$haystack = _api_utf8_to_unicode($haystack);
$haystack_count = count($haystack);
$matches = array_count_values($haystack);
$needle = _api_utf8_to_unicode($needle);
$needle_count = count($needle);
$position = $offset;
while (($found === false) & & ($position < $haystack_count)) {
if (isset($needle[0]) & & $needle[0] === $haystack[$position]) {
for ($i = 1; $i < $needle_count; $i++) {
if ($needle[$i] !== $haystack[$position + $i]) {
if ($needle[$i] === $haystack[($position + $i) -1]) {
$position--;
$found = true;
continue;
}
}
}
if (!$offset & & isset($matches[$needle[0]]) & & $matches[$needle[0]] > 1) {
$matches[$needle[0]] = $matches[$needle[0]] - 1;
} elseif ($i === $needle_count) {
$found = true;
$position--;
}
}
$position++;
function api_strrpos($haystack, $needle, $offset = 0, $encoding = null)
{
if (_api_mb_supports($encoding)) {
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
return ($found) ? $position : false ;
return mb_strrpos($haystack, $needle, $offset, $encoding);
}
return strrpos($haystack, $needle, $offset);
}
@ -2147,46 +1960,10 @@ function api_strstr($haystack, $needle, $before_needle = false, $encoding = null
return false;
}
if (_api_is_single_byte_encoding($encoding)) {
// Adding the missing parameter $before_needle to the original function strstr(), PHP_VERSION < 5.3
if (!$before_needle) {
return strstr($haystack, $needle);
}
if (!IS_PHP_53) {
$result = explode($needle, $haystack, 2);
if ($result === false || count($result) < 2 ) {
return false;
}
return $result[0];
}
return strstr($haystack, $needle, $before_needle);
}
if (_api_mb_supports($encoding)) {
return @mb_strstr($haystack, $needle, $before_needle, $encoding);
}
elseif (MBSTRING_INSTALLED & & api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$haystack = api_utf8_encode($haystack, $encoding);
$needle = api_utf8_encode($needle, $encoding);
}
$result = @mb_strstr($haystack, $needle, $before_needle, 'UTF-8');
if ($result !== false) {
if (!api_is_utf8($encoding)) {
return api_utf8_decode($result, $encoding);
}
return $result;
}
return false;
}
// Adding the missing parameter $before_needle to the original function strstr(), PHP_VERSION < 5.3
if (!$before_needle) {
return strstr($haystack, $needle);
}
if (!IS_PHP_53) {
$result = explode($needle, $haystack, 2);
if ($result === false || count($result) < 2 ) {
return false;
}
return $result[0];
return mb_strstr($haystack, $needle, $before_needle, $encoding);
}
return strstr($haystack, $needle, $before_needle);
}
@ -2205,53 +1982,7 @@ function api_strtolower($string, $encoding = null) {
$encoding = _api_mb_internal_encoding();
}
if (_api_mb_supports($encoding)) {
return @mb_strtolower($string, $encoding);
}
elseif (api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$string = api_utf8_encode($string, $encoding);
}
if (MBSTRING_INSTALLED) {
$string = @mb_strtolower($string, 'UTF-8');
} else {
// This branch (this fragment of code) is an adaptation from the CakePHP(tm) Project, http://www.cakefoundation.org
$codepoints = _api_utf8_to_unicode($string);
$length = count($codepoints);
$matched = false;
$result = array();
for ($i = 0 ; $i < $length; $i++) {
$codepoint = $codepoints[$i];
if ($codepoint < 128 ) {
$str = strtolower(chr($codepoint));
$strlen = api_byte_count($str);
for ($ii = 0 ; $ii < $strlen; $ii++) {
$lower = ord($str[$ii]);
}
$result[] = $lower;
$matched = true;
} else {
$matched = false;
$properties = & _api_utf8_get_letter_case_properties($codepoint, 'upper');
if (!empty($properties)) {
foreach ($properties as $key => $value) {
if ($properties[$key]['upper'] == $codepoint & & count($properties[$key]['lower'][0]) === 1) {
$result[] = $properties[$key]['lower'][0];
$matched = true;
break 1;
}
}
}
}
if ($matched === false) {
$result[] = $codepoint;
}
}
$string = _api_utf8_from_unicode($result);
}
if (!api_is_utf8($encoding)) {
return api_utf8_decode($string, $encoding);
}
return $string;
return mb_strtolower($string, $encoding);
}
return strtolower($string);
}
@ -2270,91 +2001,7 @@ function api_strtoupper($string, $encoding = null) {
$encoding = _api_mb_internal_encoding();
}
if (_api_mb_supports($encoding)) {
return @mb_strtoupper($string, $encoding);
}
elseif (api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$string = api_utf8_encode($string, $encoding);
}
if (MBSTRING_INSTALLED) {
$string = @mb_strtoupper($string, 'UTF-8');
} else {
// This branch (this fragment of code) is an adaptation from the CakePHP(tm) Project, http://www.cakefoundation.org
$codepoints = _api_utf8_to_unicode($string);
$length = count($codepoints);
$matched = false;
$replaced = array();
$result = array();
for ($i = 0 ; $i < $length; $i++) {
$codepoint = $codepoints[$i];
if ($codepoint < 128 ) {
$str = strtoupper(chr($codepoint));
$strlen = api_byte_count($str);
for ($ii = 0 ; $ii < $strlen; $ii++) {
$lower = ord($str[$ii]);
}
$result[] = $lower;
$matched = true;
} else {
$matched = false;
$properties = &_api_utf8_get_letter_case_properties($codepoint);
$property_count = count($properties);
if (!empty($properties)) {
foreach ($properties as $key => $value) {
$matched = false;
$replace = 0;
if ($length > 1 & & count($properties[$key]['lower']) > 1) {
$j = 0;
for ($ii = 0; $ii < count ( $ properties [ $ key ] [ ' lower ' ] ) ; $ ii + + ) {
$next_codepoint = $next_codepoints[$i + $ii];
if (isset($next_codepoint) & & ($next_codepoint == $properties[$key]['lower'][$j + $ii])) {
$replace++;
}
}
if ($replace == count($properties[$key]['lower'])) {
$result[] = $properties[$key]['upper'];
$replaced = array_merge($replaced, array_values($properties[$key]['lower']));
$matched = true;
break 1;
}
} elseif ($length > 1 & & $property_count > 1) {
$j = 0;
for ($ii = 1; $ii < $property_count; $ii++) {
$next_codepoint = $next_codepoints[$i + $ii - 1];
if (in_array($next_codepoint, $properties[$ii]['lower'])) {
for ($jj = 0; $jj < count ( $ properties [ $ ii ] [ ' lower ' ] ) ; $ jj + + ) {
$next_codepoint = $next_codepoints[$i + $jj];
if (isset($next_codepoint) & & ($next_codepoint == $properties[$ii]['lower'][$j + $jj])) {
$replace++;
}
}
if ($replace == count($properties[$ii]['lower'])) {
$result[] = $properties[$ii]['upper'];
$replaced = array_merge($replaced, array_values($properties[$ii]['lower']));
$matched = true;
break 2;
}
}
}
}
if ($properties[$key]['lower'][0] == $codepoint) {
$result[] = $properties[$key]['upper'];
$matched = true;
break 1;
}
}
}
}
if ($matched === false & & !in_array($codepoint, $replaced, true)) {
$result[] = $codepoint;
}
}
$string = _api_utf8_from_unicode($result);
}
if (!api_is_utf8($encoding)) {
return api_utf8_decode($string, $encoding);
}
return $string;
return mb_strtoupper($string, $encoding);
}
return strtoupper($string);
}
@ -2383,82 +2030,7 @@ function api_substr($string, $start, $length = null, $encoding = null) {
return substr($string, $start, $length);
}
if (_api_mb_supports($encoding)) {
return @mb_substr($string, $start, $length, $encoding);
}
elseif (api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$string = api_utf8_encode($string, $encoding);
}
if (MBSTRING_INSTALLED) {
$string = @mb_substr($string, $start, $length, 'UTF-8');
} else {
// The following branch of code is from the Drupal CMS, see the function drupal_substr().
$strlen = api_byte_count($string);
// Find the starting byte offset
$bytes = 0;
if ($start > 0) {
// Count all the continuation bytes from the start until we have found
// $start characters
$bytes = -1; $chars = -1;
while ($bytes < $strlen & & $chars < $start) {
$bytes++;
$c = ord($string[$bytes]);
if ($c < 0x80 | | $ c > = 0xC0) {
$chars++;
}
}
}
else if ($start < 0 ) {
// Count all the continuation bytes from the end until we have found
// abs($start) characters
$start = abs($start);
$bytes = $strlen; $chars = 0;
while ($bytes > 0 & & $chars < $start) {
$bytes--;
$c = ord($string[$bytes]);
if ($c < 0x80 | | $ c > = 0xC0) {
$chars++;
}
}
}
$istart = $bytes;
// Find the ending byte offset
if ($length === NULL) {
$bytes = $strlen - 1;
}
else if ($length > 0) {
// Count all the continuation bytes from the starting index until we have
// found $length + 1 characters. Then backtrack one byte.
$bytes = $istart; $chars = 0;
while ($bytes < $strlen & & $chars < $length) {
$bytes++;
$c = ord($string[$bytes]);
if ($c < 0x80 | | $ c > = 0xC0) {
$chars++;
}
}
$bytes--;
}
else if ($length < 0 ) {
// Count all the continuation bytes from the end until we have found
// abs($length) characters
$length = abs($length);
$bytes = $strlen - 1; $chars = 0;
while ($bytes >= 0 & & $chars < $length) {
$c = ord($string[$bytes]);
if ($c < 0x80 | | $ c > = 0xC0) {
$chars++;
}
$bytes--;
}
}
$iend = $bytes;
$string = substr($string, $istart, max(0, $iend - $istart + 1));
}
if (!api_is_utf8($encoding)) {
$string = api_utf8_decode($string, $encoding);
}
return $string;
return mb_substr($string, $start, $length, $encoding);
}
return substr($string, $start, $length);
}
@ -2476,7 +2048,7 @@ function api_substr_count($haystack, $needle, $encoding = null) {
$encoding = _api_mb_internal_encoding();
}
if (_api_mb_supports($encoding)) {
return @ mb_substr_count($haystack, $needle, $encoding);
return mb_substr_count($haystack, $needle, $encoding);
}
return substr_count($haystack, $needle);
}
@ -2544,7 +2116,7 @@ function api_ucfirst($string, $encoding = null) {
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
return api_strtoupper(api_substr($string, 0, 1, $encoding), $encoding) . api_substr($string, 1, api_strlen($string, $encoding), $encoding);
return api_strtoupper(api_substr($string, 0, 1, $encoding), $encoding) . api_substr($string, 1, api_strlen($string, $encoding), $encoding);
}
/**
@ -2556,30 +2128,11 @@ function api_ucfirst($string, $encoding = null) {
* @link http://php.net/manual/en/function.ucwords
*/
function api_ucwords($string, $encoding = null) {
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
if (_api_mb_supports($encoding)) {
return @mb_convert_case($string, MB_CASE_TITLE, $encoding);
}
if (api_is_encoding_supported($encoding)) {
if (!api_is_utf8($encoding)) {
$string = api_utf8_encode($string, $encoding);
}
if (MBSTRING_INSTALLED) {
$string = @mb_convert_case($string, MB_CASE_TITLE, 'UTF-8');
} else {
// The following fragment (branch) of code is based on the function utf8_ucwords() by Harry Fuecks
// See http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
// Note: [\x0c\x09\x0b\x0a\x0d\x20] matches - form feeds, horizontal tabs, vertical tabs, linefeeds and carriage returns.
// This corresponds to the definition of a "word" defined at http://www.php.net/ucwords
$pattern = '/(^|([\x0c\x09\x0b\x0a\x0d\x20]+))([^\x0c\x09\x0b\x0a\x0d\x20]{1})[^\x0c\x09\x0b\x0a\x0d\x20]*/u';
$string = preg_replace_callback($pattern, '_api_utf8_ucwords_callback', $string);
}
if (!api_is_utf8($encoding)) {
return api_utf8_decode($string, $encoding);
if (empty($encoding)) {
$encoding = _api_mb_internal_encoding();
}
return $string;
return mb_convert_case($string, MB_CASE_TITLE, $encoding);
}
return ucwords($string);
}
@ -3603,8 +3156,8 @@ function api_is_encoding_supported($encoding) {
* Note: See the file chamilo/main/inc/lib/internationalization_database/non_utf8_encodings.php
* if you wish to revise the leading non-UTF-8 encoding for your language.
*/
function api_get_non_utf8_encoding($language = null) {
function api_get_non_utf8_encoding($language = null)
{
$language_is_supported = api_is_language_supported($language);
if (!$language_is_supported || empty($language)) {
$language = api_get_interface_language(false, true);
@ -3725,7 +3278,6 @@ function api_detect_encoding($string, $language = null) {
return $result;
}
/**
* String validation functions concerning certain encodings
*/
@ -3751,51 +3303,6 @@ function api_is_valid_ascii(&$string) {
return !preg_match('/[^\x00-\x7F]/S', $string);
}
/**
*
* Experimental translation feature for Chamilo
*
* Install this in Ubuntu
*
* sudo locale-gen es_ES
* sudo apt-get install php-gettext
*
* Install Spanish locale: $ sudo locale-gen es_ES
* Install English locale: $ sudo locale-gen en_US
*
* To view the list of locales installed in ubuntu
* locale -a
*
* In Debian check this file More info: http://algorytmy.pl/doc/php/ref.gettext.php
* sudo vim /etc/locale.gen
*
* Translate po files using this GUI
* sudo apt-get install poedit
*
* Some help here:
*
* Config getext
* http://zez.org/article/articleview/42/3/
* *
* Using getext in ubuntu
* http://www.sourcerally.net/regin/49-How-to-get-PHP-and-gettext-working-%28ubuntu,-debian%29
*
* Getext tutorial
* http://mel.melaxis.com/devblog/2005/08/06/localizing-php-web-sites-using-gettext/
*
*/
function setting_gettext() {
$domain = 'default';
$locale = api_get_language_isocode();
$locale = 'es_ES';
putenv("LC_ALL=$locale");
setlocale(LC_ALL, $locale);
bindtextdomain($domain, api_get_path(SYS_LANG_PATH));
bind_textdomain_codeset($domain, 'UTF-8');
textdomain($domain);
}
/**
* Return true a date is valid
Alex
12 years ago