functions-formatting.php

来自「在综合英文版XOOPS 2.09, 2.091, 2.092 的基础上正式发布X」· PHP 代码 · 共 561 行 · 第 1/2 页

	// Add Remaining text
	$newtext .= $text;

	// Empty Stack
	while($x = array_pop($tagstack)) {
		$newtext = $newtext . '</' . $x . '>'; // Add remaining tags to close
	}

	# b2 fix for the bug with HTML comments
	$newtext = str_replace("< !--","<!--",$newtext);
	$newtext = str_replace("<    !--","< !--",$newtext);

	return $newtext;
}

function format_to_edit($content) {
	global $autobr;
	$content = stripslashes($content);
	if ($autobr) { $content = unautobrize($content); }
	$content = apply_filters('format_to_edit', $content);
	$content = htmlspecialchars($content);
	return $content;
	}
function format_to_post($content) {
	global $post_autobr,$comment_autobr;
	$content = addslashes($content);
	if ($post_autobr || $comment_autobr) { $content = autobrize($content); }
	$content = apply_filters('format_to_post', $content);
	return $content;
}

function zeroise($number,$threshold) { // function to add leading zeros when necessary
	$l=strlen($number);
	if ($l<$threshold)
		for ($i=0; $i<($threshold-$l); $i=$i+1) { $number='0'.$number;	}
	return $number;
}

function backslashit($string) {
	$string = preg_replace('/([a-z])/i', '\\\\\1', $string);
	return $string;
}

function popuplinks($text) {
	// Comment text in popup windows should be filtered through this.
	// Right now it's a moderately dumb function, ideally it would detect whether
	// a target or rel attribute was already there and adjust its actions accordingly.
	$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
	return $text;
}

function autobrize($content) {
	$content = preg_replace("/<br>\n/", "\n", $content);
	$content = preg_replace("/<br \/>\n/", "\n", $content);
	$content = preg_replace("/(\015\012)|(\015)|(\012)/", "<br />\n", $content);
	return $content;
	}
function unautobrize($content) {
	$content = preg_replace("/<br>\n/", "\n", $content);   //for PHP versions before 4.0.5
	$content = preg_replace("/<br \/>\n/", "\n", $content);
	return $content;
	}



function mysql2date($dateformatstring, $mysqlstring, $use_b2configmonthsdays = 1, $charset="") {
	global $month, $weekday,$s_weekday_length,$s_month_length, $blog_charset;
	$m = $mysqlstring;
	if (empty($m)) {
		return false;
	}
	/*
	if (function_exists('mb_convert_encoding')) {
		if (!$charset) {
			if ($blog_charset) {
				$charset = $blog_charset;
			} else {
				$charset = mb_internal_encoding();
			}
		}
	}
	*/
	$i = mktime(substr($m,11,2),substr($m,14,2),substr($m,17,2),substr($m,5,2),substr($m,8,2),substr($m,0,4));
	if (!empty($month) && !empty($weekday) && $use_b2configmonthsdays) {
		$datemonth = $month[date('m', $i)];
		$dateweekday = $weekday[date('w', $i)];
		$dateformatstring = ' '.$dateformatstring;
		/*
		if (function_exists('mb_substr')) {
			$dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit(mb_substr($dateweekday, 0, $s_weekday_length, $charset)), $dateformatstring);
		} else {
			$dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit(substr($dateweekday, 0, $s_weekday_length)), $dateformatstring);
		}
		*/
		$dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit(xoops_substr($dateweekday, 0, $s_weekday_length)), $dateformatstring);

		$dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring);
		$dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring);
		/*
		if (function_exists('mb_substr')) {
			$dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit(mb_substr($datemonth, 0, $s_month_length, $charset)), $dateformatstring);
		} else {
			$dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit(substr($datemonth, 0, $s_month_length)), $dateformatstring);
		}
		*/
		$dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit(xoops_substr($datemonth, 0, $s_month_length)), $dateformatstring);
		//$dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1);
		$dateformatstring = xoops_substr($dateformatstring, 1, strlen($dateformatstring)-1);
	}
	$j = @date($dateformatstring, $i);
	if (!$j) {
	// for debug purposes
	//	echo $i." ".$mysqlstring;
	}
	return $j;
}

function current_time($type) {
	$time_difference = get_settings('time_difference');
	switch ($type) {
		case 'mysql':
			return date('Y-m-d H:i:s', (time() + ($time_difference * 3600) ) );
			break;
		case 'timestamp':
			return (time() + ($time_difference * 3600) );
			break;
	}
}

function addslashes_gpc($gpc) {
	if (!get_magic_quotes_gpc()) {
		$gpc = addslashes($gpc);
	}
	return $gpc;
}

function date_i18n($dateformatstring, $unixtimestamp) {
	global $month, $weekday;
	$i = $unixtimestamp;
	if ((!empty($month)) && (!empty($weekday))) {
		$datemonth = $month[date('m', $i)];
		$dateweekday = $weekday[date('w', $i)];
		$dateformatstring = ' '.$dateformatstring;
		$dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit(substr($dateweekday, 0, 3)), $dateformatstring);
		$dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring);
		$dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring);
		$dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit(substr($datemonth, 0, 3)), $dateformatstring);
		$dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1);
	}
	$j = @date($dateformatstring, $i);
	return $j;
	}



function get_weekstartend($mysqlstring, $start_of_week) {
	$my = substr($mysqlstring,0,4);
	$mm = substr($mysqlstring,8,2);
	$md = substr($mysqlstring,5,2);
	$day = mktime(0,0,0, $md, $mm, $my);
	$weekday = date('w',$day);
	$i = 86400;
	while ($weekday > $start_of_week) {
		$weekday = date('w',$day);
		$day = $day - 86400;
		$i = 0;
	}
	$week['start'] = $day + 86400 - $i;
	$week['end']   = $day + 691199;
	return $week;
}


function convert_bbcode($content) {
	global $wp_bbcode;
	if (get_settings('use_bbcode')) {
		$content = preg_replace($wp_bbcode["in"], $wp_bbcode["out"], $content);
	}
	$content = convert_bbcode_email($content);
	return $content;
}

function convert_bbcode_email($content) {
	$bbcode_email["in"] = array(
		'#\[email](.+?)\[/email]#eis',
		'#\[email=(.+?)](.+?)\[/email]#eis'
	);
	$bbcode_email["out"] = array(
		"'<a href=\"mailto:'.antispambot('\\1').'\">'.antispambot('\\1').'</a>'",		// E-mail
		"'<a href=\"mailto:'.antispambot('\\1').'\">\\2</a>'"
	);

	$content = preg_replace($bbcode_email["in"], $bbcode_email["out"], $content);
	return $content;
}

function convert_gmcode($content) {
	global $wp_gmcode;
	if (get_settings('use_gmcode')) {
		$content = preg_replace($wp_gmcode["in"], $wp_gmcode["out"], $content);
	}
	return $content;
}

function convert_smilies($text) {
	global $smilies_directory;
	global $wp_smiliessearch, $wp_smiliesreplace;
	if (get_settings('use_smilies')) {
		// HTML loop taken from texturize function, could possible be consolidated
		$textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between
		$stop = count($textarr);// loop stuff
		$output = '';
		for ($i = 0; $i < $stop; $i++) {
			$content = $textarr[$i];
			if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag
				$content = str_replace($wp_smiliessearch, $wp_smiliesreplace, $content);
			}
			$output .= $content;
		}
	} else {
		// return default text.
		$output = $text;
	}
	return $output;
}

function antispambot($emailaddy, $mailto=0) {
	$emailNOSPAMaddy = '';
	srand ((float) microtime() * 1000000);
	for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) {
		$j = floor(rand(0, 1+$mailto));
		if ($j==0) {
			$emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';';
		} elseif ($j==1) {
			$emailNOSPAMaddy .= substr($emailaddy,$i,1);
		} elseif ($j==2) {
			$emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2);
		}
	}
	$emailNOSPAMaddy = str_replace('@','&#64;',$emailNOSPAMaddy);
	return $emailNOSPAMaddy;
}

function make_clickable($text) { // original function: phpBB, extended here for AIM & ICQ
    $ret = " " . $text;
    $ret = preg_replace("#([\n ])([a-z]+?)://([^, <>{}\n\r]+)#i", "\\1<a href=\"\\2://\\3\" target=\"_blank\">\\2://\\3</a>", $ret);
    $ret = preg_replace("#([\n ])aim:([^,< \n\r]+)#i", "\\1<a href=\"aim:goim?screenname=\\2\\3&message=Hello\">\\2\\3</a>", $ret);
    $ret = preg_replace("#([\n ])icq:([^,< \n\r]+)#i", "\\1<a href=\"http://wwp.icq.com/scripts/search.dll?to=\\2\\3\">\\2\\3</a>", $ret);
    $ret = preg_replace("#([\n ])www\.([a-z0-9\-]+)\.([a-z0-9\-.\~]+)((?:/[^,< \n\r]*)?)#i", "\\1<a href=\"http://www.\\2.\\3\\4\" target=\"_blank\">www.\\2.\\3\\4</a>", $ret);
    $ret = preg_replace("#([\n ])([a-z0-9\-_.]+?)@([^,< \n\r]+)#i", "\\1<a href=\"mailto:\\2@\\3\">\\2@\\3</a>", $ret);
    $ret = substr($ret, 1);
    return $ret;
}


function is_email($user_email) {
	$chars = "/^([a-z0-9_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}\$/i";
	if(strstr($user_email, '@') && strstr($user_email, '.')) {
		if (preg_match($chars, $user_email)) {
			return true;
		} else {
			return false;
		}
	} else {
		return false;
	}
}

function strip_all_but_one_link($text, $mylink) {
	$match_link = '#(<a.+?href.+?'.'>)(.+?)(</a>)#';
	preg_match_all($match_link, $text, $matches);
	$count = count($matches[0]);
	for ($i=0; $i<$count; $i++) {
		if (!strstr($matches[0][$i], $mylink)) {
			$text = str_replace($matches[0][$i], $matches[2][$i], $text);
		}
	}
	return $text;
}
?>