iconv() is more efficient than mb_convert_encoding()
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@ -482,7 +482,7 @@ class PHPExcel_Shared_String
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}
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/**
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* Convert string from one encoding to another. First try iconv, then mbstring, or no convertion
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* Convert string from one encoding to another. First try mbstring, then iconv, finally strlen
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*
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* @param string $value
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* @param string $to Encoding to convert to, e.g. 'UTF-8'
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@ -491,14 +491,14 @@ class PHPExcel_Shared_String
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*/
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public static function ConvertEncoding($value, $to, $from)
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{
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if (self::getIsIconvEnabled()) {
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return iconv($from, $to, $value);
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}
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if (self::getIsMbstringEnabled()) {
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return mb_convert_encoding($value, $to, $from);
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}
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if (self::getIsIconvEnabled()) {
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return iconv($from, $to, $value);
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}
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if($from == 'UTF-16LE'){
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return self::utf16_decode($value, false);
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}else if($from == 'UTF-16BE'){
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@ -548,20 +548,20 @@ class PHPExcel_Shared_String
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*/
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public static function CountCharacters($value, $enc = 'UTF-8')
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{
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if (self::getIsIconvEnabled()) {
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return iconv_strlen($value, $enc);
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}
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if (self::getIsMbstringEnabled()) {
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return mb_strlen($value, $enc);
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}
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if (self::getIsIconvEnabled()) {
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return iconv_strlen($value, $enc);
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}
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// else strlen
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return strlen($value);
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}
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/**
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* Get a substring of a UTF-8 encoded string
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* Get a substring of a UTF-8 encoded string. First try mbstring, then iconv, finally strlen
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*
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* @param string $pValue UTF-8 encoded string
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* @param int $start Start offset
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@ -570,14 +570,14 @@ class PHPExcel_Shared_String
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*/
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public static function Substring($pValue = '', $pStart = 0, $pLength = 0)
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{
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if (self::getIsIconvEnabled()) {
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return iconv_substr($pValue, $pStart, $pLength, 'UTF-8');
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}
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if (self::getIsMbstringEnabled()) {
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return mb_substr($pValue, $pStart, $pLength, 'UTF-8');
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}
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if (self::getIsIconvEnabled()) {
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return iconv_substr($pValue, $pStart, $pLength, 'UTF-8');
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}
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// else substr
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return substr($pValue, $pStart, $pLength);
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}
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