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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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