functions-formatting.php

在综合英文版XOOPS 2.09, 2.091, 2.092 的基础上正式发布XOOPS 2.09中文版 XOOPS 2.09x 版主要是PHP5升级、bug修正和安全补正： 1 全面兼容PHP 5.

<?php

add_action('sanitize_title', 'sanitize_title_with_dashes');

function wptexturize($text) {
	$output = "";
	// Capture tags and everything inside them
	$textarr = preg_split("/(<.*>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between
	$stop = count($textarr); $next = true; // loop stuff
	for ($i = 0; $i < $stop; $i++) {
		$curl = $textarr[$i];

		//echo '<br />curl:'.$curl;
		if(empty($curl)) {
			$next = true;
		}elseif (isset($curl{0}) && '<' != $curl{0} && $next) { // If it's not a tag
			$curl = str_replace('---', '&#8212;', $curl);
			$curl = str_replace('--', '&#8211;', $curl);
			$curl = str_replace("...", '&#8230;', $curl);
			$curl = str_replace('``', '&#8220;', $curl);

			// This is a hack, look at this more later. It works pretty well though.
			$cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round");
			$cockneyreplace = array("&#8217;tain&#8217;t","&#8217;twere","&#8217;twas","&#8217;tis","&#8217;twill","&#8217;til","&#8217;bout","&#8217;nuff","&#8217;round");
			$curl = str_replace($cockney, $cockneyreplace, $curl);

			$curl = preg_replace("/'s/", "&#8217;s", $curl);
			$curl = preg_replace("/'(\d\d(?:&#8217;|')?s)/", "&#8217;$1", $curl);
			$curl = preg_replace('/(\s|\A|")\'/', '$1&#8216;', $curl);
			$curl = preg_replace("/(\d+)\"/", "$1&Prime;", $curl);
			$curl = preg_replace("/(\d+)'/", "$1&prime;", $curl);
			$curl = preg_replace("/(\S)'([^'\s])/", "$1&#8217;$2", $curl);
			$curl = preg_replace('/"([\s.,!?;:&\']|\Z)/', '&#8221;$1', $curl);
            $curl = preg_replace('/(\s|\A)"/', '$1&#8220;', $curl);
			$curl = preg_replace("/'([\s.]|\Z)/", '&#8217;$1', $curl);
			$curl = preg_replace("/\(tm\)/i", '&#8482;', $curl);
			$curl = preg_replace("/\(c\)/i", '&#169;', $curl);
			$curl = preg_replace("/\(r\)/i", '&#174;', $curl);
			$curl = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $curl);
			$curl = str_replace("''", '&#8221;', $curl);

			$curl = preg_replace('/(d+)x(\d+)/', "$1&#215;$2", $curl);

		} elseif (strstr($curl, '<code') || strstr($curl, '<pre') || strstr($curl, '<kbd' || strstr($curl, '<style') || strstr($curl, '<script'))) {
			// strstr is fast
			$next = false;
		} else {
			$next = true;
		}
		$output .= $curl;
	}
	return $output;
}

function clean_pre($text) {
	$text = stripslashes($text);
	$text = str_replace('<br />', '', $text);
	return $text;
}

function wpautop($pee, $br = 1) {
	$pee = $pee . "\n"; // just to make things a little easier, pad the end
	$pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
	// Space things out a little
	$pee = preg_replace('!(<(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "\n$1", $pee);
	$pee = preg_replace('!(</(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])>)!', "$1\n", $pee);
	$pee = preg_replace("/(\r\n|\r)/", "\n", $pee); // cross-platform newlines
	$pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates
	$pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "\t<p>$1</p>\n", $pee); // make paragraphs, including one at the end
	$pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace
    $pee = preg_replace('!<p>\s*(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee); // don't pee all over a tag
	$pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists
	$pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
	$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
	$pee = preg_replace('!<p>\s*(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "$1", $pee);
	$pee = preg_replace('!(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*</p>!', "$1", $pee);
	if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
	$pee = preg_replace('!(</?(?:table|thead|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*<br />!', "$1", $pee);
	$pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)!', '$1', $pee);
	$pee = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $pee);
	$pee = preg_replace('!(<pre.*?>)(.*?)</pre>!ise', " stripslashes('$1') .  clean_pre('$2')  . '</pre>' ", $pee);

	return $pee;
}

function sanitize_title($title) {
    $title = do_action('sanitize_title', $title);

    return $title;
}

function sanitize_title_with_dashes($title) {
    $title = strtolower($title);
    $title = preg_replace('/&.+?;/', '', $title); // kill entities
    $title = preg_replace('/[^a-z0-9 _-]/', '', $title);
    $title = preg_replace('/\s+/', ' ', $title);
    $title = str_replace(' ', '-', $title);
    $title = preg_replace('|-+|', '-', $title);
    $title = trim($title, '-');

    return $title;
}

function sanitize_text($str, $isArea=false, $isURL=false) {
	if (get_magic_quotes_gpc()) {
		$str = stripslashes($str);
	}
	$patterns = array();
	$replacements = array();

	$patterns[] = "/&amp;/i";
	$replacements[] = '&';
	$patterns[] = "/&nbsp;/";
	$replacements[] = '&amp;nbsp;';

	if ($isArea) {
		$patterns[] = "/&lt;(\/)?\s*script.*?&gt;/si";
		$replacements[] = "[$1script]";
		$patterns[] = "/&lt;(\/)?\s*style.*?&gt;/si";
		$replacements[] = "[$style]";
		$patterns[] = "/&lt;(\/)?\s*body.*?&gt;/si";
		$replacements[] = "[$body]";
		$patterns[] = "/&lt;(\/)?\s*link.*?&gt;/si";
		$replacements[] = "[$link]";
		$patterns[] = "/(&lt;.*)(?:onError|onUnload|onBlur|onFocus|onClick|onMouseOver|onSubmit|onReset|onChange|onSelect|onAbort)\s*=\s*(&quot;|&#039;).*\\2(.*?&gt;)/si";
		$replacements[] = "$1$3";
		if ($isURL) {
			$patterns[] = "/(&quot;|&#039;).*/";
			$replacements[] = "";
			$patterns[] = "/(?:onError|onUnload|onBlur|onFocus|onClick|onMouseOver|onSubmit|onReset|onChange|onSelect|onAbort)\s*=\s*('|\"|&quot;|&#039;).*(\\1)?/si";
			$replacements[] = "";
		}
	} else {
		$patterns[] = "/(&#13|&#10).*/";
		$replacements = "";
	}
	if ($isURL) {
		$patterns[] = "/javascript:/si";
		$replacements[] = "javascript|";
		$patterns[] = "/vbscript:/si";
		$replacements[] = "vbscript|";
		$patterns[] = "/about:/si";
		$replacements[] = "about|";
	}
	$str = htmlspecialchars($str, ENT_QUOTES);
	$str = preg_replace($patterns,$replacements, $str);

	return $str;
}

function convert_chars($content,$flag='obsolete attribute left there for backwards compatibility') { // html/unicode entities output

	global  $wp_htmltrans, $wp_htmltranswinuni;

	// removes metadata tags
	$content = preg_replace('/<title>(.+?)<\/title>/','',$content);
	$content = preg_replace('/<category>(.+?)<\/category>/','',$content);

	if (get_settings('use_htmltrans')) {

		// converts lone & characters into &#38; (a.k.a. &amp;)
		$content = preg_replace('/&[^#](?![a-z]*;)/ie', '"&#38;".substr("\0",1)', $content);

		// converts HTML-entities to their display values in order to convert them again later
		$content = preg_replace('/['.chr(127).'-'.chr(255).']/e', '"&#".ord(\'\0\').";"', $content );
		$content = strtr($content, $wp_htmltrans);

		// now converting: Windows CP1252 => Unicode (valid HTML)
		// (if you've ever pasted text from MSWord, you'll understand)

		$content = strtr($content, $wp_htmltranswinuni);

	}

	// you can delete these 2 lines if you don't like <br /> and <hr />
	$content = str_replace("<br>","<br />",$content);
	$content = str_replace("<hr>","<hr />",$content);

	return $content;

}

/*
 balanceTags

 Balances Tags of string using a modified stack.

 @param text      Text to be balanced
 @return          Returns balanced text
 @author          Leonard Lin ([e-mail])
 @version         v1.1
 @date            November 4, 2001
 @license         GPL v2.0
 @notes
 @changelog
             1.2  ***TODO*** Make better - change loop condition to $text
             1.1  Fixed handling of append/stack pop order of end text
                  Added Cleaning Hooks
             1.0  First Version
*/
function balanceTags($text, $is_comment = 0) {
	if (get_settings('use_balanceTags') == 0) {
		return $text;
	}

	$tagstack = array();
	$stacksize = 0;
	$tagqueue = '';
	$newtext = '';

	# b2 bug fix for comments - in case you REALLY meant to type '< !--'
	$text = str_replace('< !--', '<    !--', $text);

	# b2 bug fix for LOVE <3 (and other situations with '<' before a number)
	$text = preg_replace('#<([0-9]{1})#', '&lt;$1', $text);


	while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) {
		$newtext = $newtext . $tagqueue;

		$i = strpos($text,$regex[0]);
		$l = strlen($tagqueue) + strlen($regex[0]);

		// clear the shifter
		$tagqueue = '';

		// Pop or Push
		if ($regex[1][0] == "/") { // End Tag
			$tag = strtolower(substr($regex[1],1));

			// if too many closing tags
			if($stacksize <= 0) {
				$tag = '';
				//or close to be safe $tag = '/' . $tag;
			}
			// if stacktop value = tag close value then pop
			else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag
				$tag = '</' . $tag . '>'; // Close Tag
				// Pop
				array_pop ($tagstack);
				$stacksize--;
			} else { // closing tag not at top, search for it
				for ($j=$stacksize-1;$j>=0;$j--) {
					if ($tagstack[$j] == $tag) {
					// add tag to tagqueue
						for ($k=$stacksize-1;$k>=$j;$k--){
							$tagqueue .= '</' . array_pop ($tagstack) . '>';
							$stacksize--;
						}
						break;
					}
				}
				$tag = '';
			}
		} else { // Begin Tag
			$tag = strtolower($regex[1]);

			// Tag Cleaning

			// Push if not img or br or hr
			if($tag != 'br' && $tag != 'img' && $tag != 'hr') {
				$stacksize = array_push ($tagstack, $tag);
			}

			// Attributes
			// $attributes = $regex[2];
			$attributes = $regex[2];
			if($attributes) {
				$attributes = ' '.$attributes;
			}

			$tag = '<'.$tag.$attributes.'>';
		}

		$newtext .= substr($text,0,$i) . $tag;
		$text = substr($text,$i+$l);
	}

	// Clear Tag Queue
	$newtext = $newtext . $tagqueue;