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46 lines
1.6 KiB
46 lines
1.6 KiB
# Configuration Settings
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Once you have included the PhpSpreadsheet files in your script, but
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before instantiating a `Spreadsheet` object or loading a workbook file,
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there are a number of configuration options that can be set which will
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affect the subsequent behaviour of the script.
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## Cell collection caching
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By default, PhpSpreadsheet holds all cell objects in memory, but
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you can specify alternatives to reduce memory consumption at the cost of speed.
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Read more about [memory saving](./memory_saving.md).
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To enable cell caching, you must provide your own implementation of cache like so:
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``` php
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$cache = new MyCustomPsr16Implementation();
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\PhpOffice\PhpSpreadsheet\Settings::setCache($cache);
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```
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## Language/Locale
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Some localisation elements have been included in PhpSpreadsheet. You can
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set a locale by changing the settings. To set the locale to Brazilian
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Portuguese you would use:
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``` php
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$locale = 'pt_br';
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$validLocale = \PhpOffice\PhpSpreadsheet\Settings::setLocale($locale);
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if (!$validLocale) {
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echo 'Unable to set locale to ' . $locale . " - reverting to en_us" . PHP_EOL;
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}
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```
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- If Brazilian Portuguese language files aren't available, then Portuguese
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will be enabled instead
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- If Portuguese language files aren't available,
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then the `setLocale()` method will return an error, and American English
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(en\_us) settings will be used throughout.
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More details of the features available once a locale has been set,
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including a list of the languages and locales currently supported, can
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be found in [Locale Settings for
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Formulae](./recipes.md#locale-settings-for-formulae).
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