mirror of
https://github.com/smarty-php/smarty.git
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84 lines
1.9 KiB
PHP
84 lines
1.9 KiB
PHP
<?php
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/**
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* Smarty plugin
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* @package Smarty
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* @subpackage plugins
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*/
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/**
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* Smarty {textformat}{/textformat} block plugin
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*
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* Type: block function<br>
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* Name: textformat<br>
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* Purpose: format text a certain way with preset styles
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* or custom wrap/indent settings<br>
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* @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
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* (Smarty online manual)
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* @param array
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* <pre>
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* Params: style: string (email)
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* indent: integer (0)
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* wrap: integer (80)
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* wrap_char string ("\n")
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* indent_char: string (" ")
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* wrap_boundary: boolean (true)
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* </pre>
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* @param string contents of the block
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* @param Smarty clever simulation of a method
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* @return string string $content re-formatted
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*/
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function smarty_block_textformat($params, $content, &$smarty)
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{
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$style = null;
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$indent = 0;
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$indent_first = 0;
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$indent_char = ' ';
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$wrap = 80;
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$wrap_char = "\n";
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$wrap_cut = false;
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$assign = null;
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if($content == null) {
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return true;
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}
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extract($params);
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if($style == 'email') {
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$wrap = 72;
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}
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// split into paragraphs
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$paragraphs = preg_split('![\r\n][\r\n]!',$content);
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$output = '';
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foreach($paragraphs as $paragraph) {
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if($paragraph == '') {
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continue;
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}
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// convert mult. spaces & special chars to single space
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$paragraph = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'),array(' ',''),$paragraph);
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// indent first line
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if($indent_first > 0) {
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$paragraph = str_repeat($indent_char,$indent_first) . $paragraph;
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}
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// wordwrap sentences
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$paragraph = wordwrap($paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
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// indent lines
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if($indent > 0) {
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$paragraph = preg_replace('!^!m',str_repeat($indent_char,$indent),$paragraph);
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}
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$output .= $paragraph . $wrap_char . $wrap_char;
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}
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if($assign != null) {
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$smarty->assign($assign,$output);
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} else {
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return $output;
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}
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}
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/* vim: set expandtab: */
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?>
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