50 lines
2.4 KiB
PHP
50 lines
2.4 KiB
PHP
<?php
|
|
/**
|
|
* Smarty plugin
|
|
* @package Smarty
|
|
* @subpackage plugins
|
|
*/
|
|
|
|
/**
|
|
* Smarty paragraph modifier plugin
|
|
*
|
|
* Type: modifier<br>
|
|
* Name: paragraph<br>
|
|
* Purpose: convert \n and other newline chars to HTML paragraphs<br>
|
|
* Note: Uses code from WordPress by Matthew Mullenweg (http://www.photomatt.net; http://www.wordpress.org)
|
|
* Input:<br>
|
|
* - string: input block of text
|
|
* - br: change single \n to 'br' or not
|
|
* @param string
|
|
* @param string
|
|
* @return string|void
|
|
*/
|
|
function smarty_modifier_paragraph($string, $br=true) {
|
|
|
|
if($string != '') {
|
|
$string = $string . "\n"; // just to make things a little easier, pad the end
|
|
$string = preg_replace('|<br />\s*<br />|', "\n\n", $string);
|
|
$string = preg_replace('!(<(?:table|ul|ol|li|pre|form|blockquote|h[1-6])[^>]*>)!', "\n$1", $string); // Space things out a little
|
|
$string = preg_replace('!(</(?:table|ul|ol|li|pre|form|blockquote|h[1-6])>)!', "$1\n", $string); // Space things out a little
|
|
$string = preg_replace("/(\r\n|\r)/", "\n", $string); // cross-platform newlines
|
|
$string = preg_replace("/\n\n+/", "\n\n", $string); // take care of duplicates
|
|
$string = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "\t<p>$1</p>\n", $string); // make paragraphs, including one at the end
|
|
$string = preg_replace('|<p>\s*?</p>|', '', $string); // under certain strange conditions it could create a P of entirely whitespace
|
|
$string = preg_replace("|<p>(<li.+?)</p>|", "$1", $string); // problem with nested lists
|
|
$string = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $string);
|
|
$string = str_replace('</blockquote></p>', '</p></blockquote>', $string);
|
|
$string = preg_replace('!<p>\s*(</?(?:table|tr|td|th|div|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "$1", $string);
|
|
$string = preg_replace('!(</?(?:table|tr|td|th|div|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $string);
|
|
if ($br) $string = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $string); // optionally make line breaks
|
|
$string = preg_replace('!(</?(?:table|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*<br />!', "$1", $string);
|
|
$string = preg_replace('!<br />(\s*</?(?:p|li|div|th|pre|td|ul|ol)>)!', '$1', $string);
|
|
$string = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&$1', $string);
|
|
|
|
return $string;
|
|
} else {
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* vim: set expandtab: */
|