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oleibman
6edc552013
Fix #642. Opened over 5 years ago, probably the oldest problem I've worked on. And https://github.com/PHPOffice/PHPExcel/issues/1320, opened a year before that. And https://github.com/SpartnerNL/Laravel-Excel/issues/1521. Shared/StringHelper::UTF8toBIFF8UnicodeLong calculates incorrect length for strings when they contain characters outside Unicode BMP. Xls uses UTF-16 to encode its strings, and characters outside BMP require a surrogate pair to encode. PhpSpreadsheet (and PhpExcel before it) have been counting these as a single character, but Excel counts them as 2. Change to compute the length as half the number of bytes in the UTF-16 string, as Excel does. A formal test is added, but it's a bit difficult to follow. So I aso added a non-BMP emoji to 27template.xls, which will cause it to be both read by Xls reader and written by Xls writer. This would previously have created a corrupt worksheet. The emoji is now handled correctly.
14 lines
321 B
PHP
14 lines
321 B
PHP
<?php
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use PhpOffice\PhpSpreadsheet\IOFactory;
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require __DIR__ . '/../Header.php';
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// Read from Xls (.xls) template
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$helper->log('Load Xls template file');
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$reader = IOFactory::createReader('Xls');
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$spreadsheet = $reader->load(__DIR__ . '/../templates/27template.xls');
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// Save
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$helper->write($spreadsheet, __FILE__);
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