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[44] | 1 | <?php
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| 2 | /**
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| 3 | * Smarty plugin
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| 4 | * @package Smarty
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| 5 | * @subpackage plugins
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| 6 | */
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| 7 |
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| 8 |
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| 9 | /**
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| 10 | * Smarty truncate modifier plugin
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| 11 | *
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| 12 | * Type: modifier<br>
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| 13 | * Name: truncate<br>
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| 14 | * Purpose: Truncate a string to a certain length if necessary,
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| 15 | * optionally splitting in the middle of a word, and
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| 16 | * appending the $etc string or inserting $etc into the middle.
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| 17 | * @link http://smarty.php.net/manual/en/language.modifier.truncate.php
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| 18 | * truncate (Smarty online manual)
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| 19 | * @author Monte Ohrt <monte at ohrt dot com>
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| 20 | * @param string
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| 21 | * @param integer
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| 22 | * @param string
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| 23 | * @param boolean
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| 24 | * @param boolean
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| 25 | * @return string
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| 26 | */
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| 27 | function smarty_modifier_truncate($string, $length = 80, $etc = '...',
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| 28 | $break_words = false, $middle = false)
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| 29 | {
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| 30 | if ($length == 0)
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| 31 | return '';
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| 32 |
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| 33 | if (strlen($string) > $length) {
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| 34 | $length -= strlen($etc);
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| 35 | if (!$break_words && !$middle) {
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| 36 | $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
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| 37 | }
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| 38 | if(!$middle) {
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| 39 | return substr($string, 0, $length).$etc;
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| 40 | } else {
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| 41 | return substr($string, 0, $length/2) . $etc . substr($string, -$length/2);
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| 42 | }
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| 43 | } else {
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| 44 | return $string;
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| 45 | }
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| 46 | }
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| 47 |
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| 48 | /* vim: set expandtab: */
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| 49 |
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| 50 | ?>
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