_postTranslationStrings

Get translation strings from the POST array and prepare to insert or update into the table according to the specified fields

Parameters
array $post

The POST array

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array $fields

The array of field name and input name mapping, e.g., array('fieldName' => 'inputName')

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string $lang = null

The language code to fetch (if it is not provided, all languages will be fetched)

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Returns
array

The data array