1 | <?php |
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2 | /** |
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3 | * Smarty plugin |
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4 | * |
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5 | * @package Smarty |
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6 | * @subpackage PluginsModifier |
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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 | * |
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18 | * @link http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual) |
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19 | * @author Monte Ohrt <monte at ohrt dot com> |
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20 | * @param string $string input string |
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21 | * @param integer $length length of truncated text |
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22 | * @param string $etc end string |
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23 | * @param boolean $break_words truncate at word boundary |
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24 | * @param boolean $middle truncate in the middle of text |
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25 | * @return string truncated string |
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26 | */ |
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27 | function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false, $middle = false) { |
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28 | if ($length == 0) |
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29 | return ''; |
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30 | |
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31 | if (Smarty::$_MBSTRING) { |
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32 | if (mb_strlen($string, Smarty::$_CHARSET) > $length) { |
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33 | $length -= min($length, mb_strlen($etc, Smarty::$_CHARSET)); |
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34 | if (!$break_words && !$middle) { |
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35 | $string = preg_replace('/\s+?(\S+)?$/' . Smarty::$_UTF8_MODIFIER, '', mb_substr($string, 0, $length + 1, Smarty::$_CHARSET)); |
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36 | } |
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37 | if (!$middle) { |
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38 | return mb_substr($string, 0, $length, Smarty::$_CHARSET) . $etc; |
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39 | } |
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40 | return mb_substr($string, 0, $length / 2, Smarty::$_CHARSET) . $etc . mb_substr($string, - $length / 2, $length, Smarty::$_CHARSET); |
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41 | } |
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42 | return $string; |
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43 | } |
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44 | |
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45 | // no MBString fallback |
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46 | if (isset($string[$length])) { |
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47 | $length -= min($length, strlen($etc)); |
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48 | if (!$break_words && !$middle) { |
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49 | $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length + 1)); |
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50 | } |
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51 | if (!$middle) { |
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52 | return substr($string, 0, $length) . $etc; |
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53 | } |
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54 | return substr($string, 0, $length / 2) . $etc . substr($string, - $length / 2); |
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55 | } |
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56 | return $string; |
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57 | } |
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58 | |
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59 | ?> |
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