3 * Smarty plugin to format text blocks
6 * @subpackage PluginsBlock
10 * Smarty {textformat}{/textformat} block plugin
12 * Type: block function<br>
13 * Name: textformat<br>
14 * Purpose: format text a certain way with preset styles
15 * or custom wrap/indent settings<br>
17 * @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
18 * (Smarty online manual)
19 * @param array $params parameters
21 * Params: style: string (email)
24 * wrap_char string ("\n")
25 * indent_char: string (" ")
26 * wrap_boundary: boolean (true)
28 * @author Monte Ohrt <monte at ohrt dot com>
29 * @param string $content contents of the block
30 * @param object $template template object
31 * @param boolean &$repeat repeat flag
32 * @return string content re-formatted
34 function smarty_block_textformat($params, $content, $template, &$repeat)
36 if (is_null($content)) {
49 foreach ($params as $_key => $_val) {
55 $$_key = (string)$_val;
69 trigger_error("textformat: unknown attribute '$_key'");
73 if ($style == 'email') {
76 // split into paragraphs
77 $_paragraphs = preg_split('![\r\n][\r\n]!', $content);
80 for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) {
81 if ($_paragraphs[$_x] == '') {
84 // convert mult. spaces & special chars to single space
85 $_paragraphs[$_x] = preg_replace(array('!\s+!', '!(^\s+)|(\s+$)!'), array(' ', ''), $_paragraphs[$_x]);
87 if ($indent_first > 0) {
88 $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x];
91 $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut);
94 $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]);
97 $_output = implode($wrap_char . $wrap_char, $_paragraphs);
99 return $assign ? $template->assign($assign, $_output) : $_output;