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msd2/myoos/includes/lib/smarty-plugins/modifier.paragraph.php

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+<?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};)/', '&#038;$1', $string);
+
+    	return $string;
+    } else {
+        return;
+    }
+}
+
+/* vim: set expandtab: */