Merge pull request #25 from stdex/pref_improve_concata
String concat performance improve
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commit
a386acb9f4
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@ -163,7 +163,7 @@ class Spreadsheet_Excel_Writer_BIFFwriter extends PEAR
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if (strlen($data) > $this->_limit) {
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$data = $this->_addContinue($data);
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}
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$this->_data = $this->_data.$data;
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$this->_data .= $data;
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$this->_datasize += strlen($data);
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}
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