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<?php
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/**
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 * Smarty plugin
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 *
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 * @package    Smarty
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 * @subpackage PluginsModifierCompiler
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 */
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/**
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 * Smarty count_sentences modifier plugin
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 * Type:     modifier
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 * Name:     count_sentences
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 * Purpose:  count the number of sentences in a text
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 *
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 * @link   http://www.smarty.net/manual/en/language.modifier.count.paragraphs.php
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 *          count_sentences (Smarty online manual)
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 * @author Uwe Tews
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 *
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 * @param array $params parameters
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 *
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 * @return string with compiled code
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 */
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function smarty_modifiercompiler_count_sentences($params)
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{
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    // find periods, question marks, exclamation marks with a word before but not after.
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    return 'preg_match_all("#\w[\.\?\!](\W|$)#S' . Smarty::$_UTF8_MODIFIER . '", ' . $params[ 0 ] . ', $tmp)';
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}