block.textformat.php
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:3k
- <?php
- /**
- * Smarty plugin
- * @package Smarty
- * @subpackage plugins
- */
- /**
- * Smarty {textformat}{/textformat} block plugin
- *
- * Type: block function<br>
- * Name: textformat<br>
- * Purpose: format text a certain way with preset styles
- * or custom wrap/indent settings<br>
- * @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
- * (Smarty online manual)
- * @param array
- * <pre>
- * Params: style: string (email)
- * indent: integer (0)
- * wrap: integer (80)
- * wrap_char string ("n")
- * indent_char: string (" ")
- * wrap_boundary: boolean (true)
- * </pre>
- * @param string contents of the block
- * @param Smarty clever simulation of a method
- * @return string string $content re-formatted
- */
- function smarty_block_textformat($params, $content, &$smarty)
- {
- if (is_null($content)) {
- return;
- }
- $style = null;
- $indent = 0;
- $indent_first = 0;
- $indent_char = ' ';
- $wrap = 80;
- $wrap_char = "n";
- $wrap_cut = false;
- $assign = null;
-
- foreach ($params as $_key => $_val) {
- switch ($_key) {
- case 'style':
- case 'indent_char':
- case 'wrap_char':
- case 'assign':
- $$_key = (string)$_val;
- break;
- case 'indent':
- case 'indent_first':
- case 'wrap':
- $$_key = (int)$_val;
- break;
- case 'wrap_cut':
- $$_key = (bool)$_val;
- break;
- default:
- $smarty->trigger_error("textformat: unknown attribute '$_key'");
- }
- }
- if ($style == 'email') {
- $wrap = 72;
- }
- // split into paragraphs
- $_paragraphs = preg_split('![rn][rn]!',$content);
- $_output = '';
- for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) {
- if ($_paragraphs[$_x] == '') {
- continue;
- }
- // convert mult. spaces & special chars to single space
- $_paragraphs[$_x] = preg_replace(array('!s+!','!(^s+)|(s+$)!'), array(' ',''), $_paragraphs[$_x]);
- // indent first line
- if($indent_first > 0) {
- $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x];
- }
- // wordwrap sentences
- $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut);
- // indent lines
- if($indent > 0) {
- $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]);
- }
- }
- $_output = implode($wrap_char . $wrap_char, $_paragraphs);
- return $assign ? $smarty->assign($assign, $_output) : $_output;
- }
- /* vim: set expandtab: */
- ?>